 | 24/7 RØRLEGGERVAKTEN AS | 926819828 | OSLO |
| 24/7 RØRLEGGERVAKTEN AVD ØSTFOLD AS | 931077309 | OSLO |
| 3S BYGG AS | 923273891 | OSLO |
| 4B ARKITEKTER AS | 921934092 | OSLO |
| 90 GRADER AS | 928470679 | OSLO |
| A2Z GRAVING OG BYGG AS | 923930310 | OSLO |
| AABERG EIENDOMSDRIFT AS | 994066072 | OSLO |
| AANERUD ENTREPRENØR AS | 966168838 | OSLO |
| A-ARK AS | 921897782 | OSLO |
| AARSRUD BYGG AS | 931151053 | OSLO |
| AART ARCHITECTS NO AS | 879423392 | OSLO |
| AASE PROSJEKT AS | 990238316 | OSLO |
| ABC RØR AS | 948744805 | OSLO |
| ABSOLUTT ARKITEKTUR AS | 997912454 | OSLO |
| ABV GRUPPEN AS | 933499014 | OSLO |
| ACT! AS | 926934481 | OSLO |
| ADD ARKITEKTER AS | 979497997 | OSLO |
| ADR ELEKTRO AS | 995981661 | OSLO |
| AF DECOM AS | 992097442 | OSLO |
| AF ENERGI AS | 983480535 | OSLO |
| AF GRUPPEN NORGE AS | 938333572 | OSLO |
| AFRY NORWAY ADVISORY AS | 883889762 | OSLO |
| AFRY NORWAY AS | 915229719 | OSLO |
| AGILITEK AS | 834310252 | OSLO |
| AGNAR BERGO AS | 912723038 | OSLO |
| AGS BYGG AS | 998736226 | OSLO |
| A. HANSEN GRUPPEN AS | 963544731 | OSLO |
| AIP MASKIN AS | 928857964 | OSLO |
| AIR-TECH AS | 889558652 | OSLO |
| AK1 ELEKTRO AS | 922021791 | OSLO |
| AKER RØRSERVICE AS | 929643143 | OSLO |
| AKERSHUS ELEKTRO AS | 976527569 | OSLO |
| AK-GRUPPEN AS | 932121549 | OSLO |
| AKSELL AS | 919996013 | OSLO |
| AKSJESELSKAPET ELEKTRO GRUPPEN | 989373560 | OSLO |
| AKTIV BYGG AS | 882457672 | OSLO |
| A-LAB AS | 982165105 | OSLO |
| AL ELEKTRO AS | 915078990 | OSLO |
| ALFA OG OMEGA BYGG AS | 923594876 | OSLO |
| ALFA OLIS GASS & VVS AS | 885415962 | OSLO |
| ALLIERO AS | 980920569 | OSLO |
| ALLSTAD AS | 934006127 | OSLO |
| ALNA ELEKTRO AS | 917290970 | OSLO |
| ALT.ARKITEKTUR AS | 989622943 | OSLO |
| ALTIPLAN AS | 914864585 | OSLO |
| ALTMULIGGUTTA TOTALREHABILITERING AS | 987972610 | OSLO |
| AMDAHL STRØM & CAPPELEN ARKITEKTER AS | 974227932 | OSLO |
| A-MEMBRAN AS | 998823951 | OSLO |
| ANDBERG-MOUM AS | 925342831 | OSLO |
| ANDENÆS VVS AS | 963031130 | OSLO |
| ANDERSEN BAD & BOLIG AS | 925193860 | OSLO |
| ANDERSEN OG LARSEN RØRLEGGERBEDRIFT AS | 915223907 | OSLO |
| ANDERS JOHNSEN AS | 934195698 | OSLO |
| ANDERS STIEN AS | 913350162 | OSLO |
| ANDREAS OG SØNN EXPRESS AS | 999086594 | OSLO |
| ANDRESEN OG SØNN AS | 985169136 | OSLO |
| ANKRAN ENTREPRENØR AS | 922660107 | OSLO |
| ANNO STUDIO FOR ARKITEKTUR DESIGN OG LANDSKAPSFORMING SIVILARKITEKTER ANS | 941680224 | OSLO |
| APRIL ARKITEKTER AS | 910279009 | OSLO |
| AQUACONSULT AS | 933746623 | OSLO |
| AQUARIUS RØRLEGGERBEDRIFT AS | 992887397 | OSLO |
| AQUARØR AS | 995799715 | OSLO |
| AQUA TECH AS | 971095245 | OSLO |
| ARCHI BYGG AS | 915137083 | OSLO |
| ARCHITECTOPIA AS | 997993381 | OSLO |
| ARCHUS ARKITEKTER AS | 943864306 | OSLO |
| ARCON ENTREPRENØR AS | 924771232 | OSLO |
| ARK 19 ARKITEKTKONTOR AS | 978641148 | OSLO |
| ARKITEKT ALBJERK AS | 913405900 | OSLO |
| ARKITEKT ARNE SØDAL | 970309896 | OSLO |
| ARKITEKT AS | 918703330 | OSLO |
| ARKITEKTENE AS | 910242598 | OSLO |
| ARKITEKTENE ASTRUP OG HELLERN AS | 945479965 | OSLO |
| ARKITEKTENE MNAL FOSSE OG AASEN AS | 962385915 | OSLO |
| ARKITEKTGRUPPEN LILLE FRØEN AS | 942100310 | OSLO |
| ARKITEKT HAGEN | 825186212 | OSLO |
| ARKITEKTKONTORET ANNE GRETE SOLSTAD AS | 979867530 | OSLO |
| Arkitektkontoret GASA AS | 940952662 | OSLO |
| ARKITEKTKONTORET LENE FRANK AS | 976006941 | OSLO |
| ARKITEKT LARS LARSEN AS | 920988768 | OSLO |
| ARKITEKT MNAL Ingar Hjelmberg | 979991037 | OSLO |
| Arkitektskap AS | 938214042 | OSLO |
| ARKITEMA AS | 943857644 | OSLO |
| AS Bygghåndverk | 938336776 | OSLO |
| ASC EIENDOMSUTVIKLING AS | 992480645 | OSLO |
| ÅSGÅRD RØR OG ENERGI AS | 928177912 | OSLO |
| ASK ENTREPRENØR AS | 926570897 | OSLO |
| ASKIM LANTTO ARKITEKTER MNAL AS | 980442047 | OSLO |
| AS LINNES | 941870600 | OSLO |
| ASPIRA AS | 916718969 | OSLO |
| AS REALBYGG | 950525932 | OSLO |
| AS RØRLEGGER | 815589602 | OSLO |
| ASSEMBLIN AS | 965808752 | OSLO |
| ASTAD ARKITEKTUR AS | 920575307 | OSLO |
| AT CONSULT LARISA KARTASHEVA | 915712754 | OSLO |
| ATEAM INNEKLIMASERVICE AS | 982175577 | OSLO |
| ATELIER OSLO AS | 994734938 | OSLO |
| ATLAS BYGG AS | 835032302 | OSLO |
| ATOM ELEKTRO AS | 893022392 | OSLO |
| ATP ARKITEKTER AS | 897489422 | OSLO |
| ATT ARKITEKTUR AS | 933210596 | OSLO |
| AUTOMATIKK MONTASJE AS | 933144178 | OSLO |
| AVRA RØR AS | 911577844 | OSLO |
| AVSHOP AS | 988897833 | OSLO |
| AXA BYGGSNEKKER AS | 925738417 | OSLO |
| B2 ELEKTRO AS | 924386525 | OSLO |
| BAD & BYGG VVS OSLO AS | 834928892 | OSLO |
| BAD & RØRSERVICE AS | 927810530 | OSLO |
| BAGSTEVOLD VVS AS | 989188666 | OSLO |
| BALANSE HUS AS | 916989601 | OSLO |
| BALCO AB | 984997353 | OSLO |
| BALKONGTEAM AS | 979546483 | OSLO |
| BANESERVICE AS | 986392912 | OSLO |
| BAR BAKKE LANDSKAPSARKITEKTER AS | 990379386 | OSLO |
| B CONSULT AS | 948892316 | OSLO |
| BE-AR AS | 929945298 | OSLO |
| BECKMANN BYGG AS | 990881308 | OSLO |
| BE ELEKTRO AS | 880859862 | OSLO |
| BERG OG SANDBOE ELEKTRO AS | 946667862 | OSLO |
| BERGSENG ARKITEKTUR | 989499971 | OSLO |
| BESSEGGEN ARKITEKTER AS | 925252492 | OSLO |
| BETA VVS AS | 924454946 | OSLO |
| BETO BYGG AS | 968403249 | OSLO |
| BETONGARBEID AS | 812016482 | OSLO |
| BETONGPARK AS | 999269648 | OSLO |
| BILLKVAM & FAGERHAUG AS | 933692817 | OSLO |
| BISLET RØR AS | 974400413 | OSLO |
| BJERKE RØR AS | 918082476 | OSLO |
| BJERKE VENTILASJON AS | 986887768 | OSLO |
| BJERKLIND BYGG AS | 942528531 | OSLO |
| BJØRBEKK & LINDHEIM AS | 848285722 | OSLO |
| BJØRG THORVIK HELGEN LANDSKAPSARKITEKT MNLA | 985322864 | OSLO |
| BJØRN HAGA MASKIN OG TRANSPORT AS | 992504560 | OSLO |
| BJØRN JØRGENSEN AS | 979778910 | OSLO |
| BJØRN SIMONSEN & SØNN AS | 837521432 | OSLO |
| BJØRNS RØRLEGGERSERVICE AS | 979442009 | OSLO |
| BK TAKST OG EIENDOMS SERVICE AS | 897404672 | OSLO |
| BLAKSTAD HAFFNER AS | 913211529 | OSLO |
| BLANK OG MATT AS | 927909146 | OSLO |
| BLIKKENSLAGERMESTEREN ENTREPRENØR AS | 995455919 | OSLO |
| BLIKKENSLAGERMESTRENE HENRY HANSEN & SØNN AS | 912360997 | OSLO |
| BLOKK ARKITEKTER AS | 994293745 | OSLO |
| BMA HEISTEKNISK RÅDGIVNING AS | 974411709 | OSLO |
| BNK CONSULT AS | 930160938 | OSLO |
| BOGL NORGE AS | 924678380 | OSLO |
| BOKEMO AS | 931901877 | OSLO |
| BØLGEBLIKK ARKITEKTER AS | 939975012 | OSLO |
| BOLIGBYGGELAGET USBL | 950285680 | OSLO |
| BOLLINGER + GROHMANN INGENIØRER AS | 915298087 | OSLO |
| BOLT BYGGENTREPRENØR AS | 946945544 | OSLO |
| BORHAVEN ARKITEKTER AS | 913321677 | OSLO |
| BORO-BYGG A/S | 942587031 | OSLO |
| BO WIIK BYGG AS | 998830028 | OSLO |
| BRA ARKITEKTER AS | 826490152 | OSLO |
| BRAGE ARKITEKTER AS | 935054737 | OSLO |
| BRANDBU BYGGSERVICE AS | 890716512 | OSLO |
| BRANNKONSULT AS | 912679217 | OSLO |
| BRAVIDA NORGE AS | 987582561 | OSLO |
| BRAX RØR AS | 922735905 | OSLO |
| BRB ELEKTRO AS | 918925449 | OSLO |
| BREKKE & STRAND AKUSTIKK AS | 916863071 | OSLO |
| BRØDRENE HAMMERSTAD AS | 974343320 | OSLO |
| BRØDRENE HANSEN GRAVESERVICE AS | 877021572 | OSLO |
| BROVOLD BYGG | 935880521 | OSLO |
| BRYN BYGG AS | 996558592 | OSLO |
| BTI KONSULT AS | 998052084 | OSLO |
| BUGGE & RAVN ARKITEKTER AS | 997682068 | OSLO |
| BUILT ARKITEKTER AS | 931668676 | OSLO |
| BUNDEBYGG AS | 962383149 | OSLO |
| BY AKUSTIKK AS | 995167808 | OSLO |
| BYE & DØHLEN VENTILASJON AS | 981132874 | OSLO |
| BYGG 1 OSLO AS | 987377593 | OSLO |
| BYGGESAKSRÅDGIVNING AS | 977545439 | OSLO |
| BYGGETEK AS | 928130959 | OSLO |
| BYGGINGENIØRENE AS | 931227327 | OSLO |
| BYGGIOSLO.NO AS | 999512720 | OSLO |
| BYGGLUND AS | 820489462 | OSLO |
| BYGG & MAL AS | 994841432 | OSLO |
| BYGGMESTER A. ØISANG AS | 812295802 | OSLO |
| BYGGMESTER CHRISTENSENS EFTF AS | 968703617 | OSLO |
| BYGGMESTER DYRNES AS | 917587957 | OSLO |
| BYGGMESTER KAI FALLET AS | 984234155 | OSLO |
| BYGGMESTER NETELAND AS | 815588312 | OSLO |
| BYGGMESTER TRON WAHL-WESTRENG AS | 917717346 | OSLO |
| BYGG OG BUTIKKFORNYELSE AS | 915981348 | OSLO |
| BYGG OG ENERGISERVICE AS | 953205238 | OSLO |
| BYGG OG REHABILITERING AS | 933521656 | OSLO |
| BYGG OG RØRLEGGERSERVICE L. MUCHA | 918469672 | OSLO |
| BYGG OG TØMRERMESTER KRISTIAN JOHNSTAD AS | 993742066 | OSLO |
| BYGG OSLO AS | 995860082 | OSLO |
| BYGGPROFFENE AS | 933458873 | OSLO |
| BYGGSERVICE OKUROWSKI | 925156191 | OSLO |
| BYGGWISE AS | 930219703 | OSLO |
| CABESA ELEKTRO AS | 920208347 | OSLO |
| CAERUS ARCHITECTS AS | 913406818 | OSLO |
| CASTOR MEKANISKE AS | 998354137 | OSLO |
| CAVERION NORGE AS | 959069743 | OSLO |
| CENTRUM ELEKTRISKE AS | 912609413 | OSLO |
| C.F. MØLLER NORGE AS | 986519963 | OSLO |
| C.HELLING EIENDOM OG TØMRERTJENESTER AS | 925566241 | OSLO |
| CH PROSJEKT AS | 980400956 | OSLO |
| CHRISTIANIA ENTREPRENØR OG MASKIN AS | 915651666 | OSLO |
| CHRISTIANIA RØRLEGGERBEDRIFT AS | 912069370 | OSLO |
| CITY RØR AS | 989714023 | OSLO |
| CLAUSSEN ARKITEKTER | 997861949 | OSLO |
| C M MATHIESEN & CO AS | 960007247 | OSLO |
| CMT BYGG AS | 935807115 | OSLO |
| CMV HOMES AS | 999524281 | OSLO |
| CO2OLTEC COMMERCIAL REFRIGERATION NORWAY AS | 981495977 | OSLO |
| CODE ARKITEKTUR AS | 979395175 | OSLO |
| COERA AS | 932615223 | OSLO |
| COMFORTBUTIKKEN SKØYEN AS | 963173784 | OSLO |
| COMFORT ELEKTRO AS | 830946152 | OSLO |
| COMFORT STORO AS | 985470871 | OSLO |
| COMMON GROUND AS | 916053959 | OSLO |
| CON-FORM AS | 931419323 | OSLO |
| CONNECT ELECTRO AS | 898010112 | OSLO |
| CONSTA AS | 931556444 | OSLO |
| CONSTRAVIA AS | 919534370 | OSLO |
| COOLTEAM AS | 988373354 | OSLO |
| CORE TECHNOLOGY OSLO AS | 929237889 | OSLO |
| CORIGO AS | 926909223 | OSLO |
| COWI AS | 979364857 | OSLO |
| CZECH PRO TEAM AS | 913259122 | OSLO |
| DAN BLIKK AS | 968850601 | OSLO |
| DANOR ELEKTRO AS | 982891523 | OSLO |
| DARK ARKITEKTER AS | 913659023 | OSLO |
| DATEK INSTALLASJON AS | 916110529 | OSLO |
| DATELCO AS | 968366076 | OSLO |
| DAXARO NORGE AS | 925580910 | OSLO |
| DE ELEKTRO AS | 989119621 | OSLO |
| DEGREE OF FREEDOM AS | 996013448 | OSLO |
| DE LILLA AS | 989987364 | OSLO |
| DERE BYGG AS | 923437789 | OSLO |
| DIMENSJON AS | 926138561 | OSLO |
| DIPL.- ING. FLORIAN KOSCHE AS | 932235412 | OSLO |
| DIREKTE RØRSERVICE AS | 985242364 | OSLO |
| DIREKTORATET FOR BYGGKVALITET AVD OSLO | 974702665 | OSLO |
| DISEN BYGG AS | 931006630 | OSLO |
| DMR MILJØ OG GEOTEKNIKK AS | 914594529 | OSLO |
| DNK EIENDOM AS | 931031627 | OSLO |
| DØGNSERVICE AS | 929964810 | OSLO |
| DØGNVAKTA AS | 989310089 | OSLO |
| DOMUS PROSJEKT AS | 932317656 | OSLO |
| DON LAWRENCE ARKITEKT AS | 915432980 | OSLO |
| DRÅPE ENTREPRENØR AS | 920044352 | OSLO |
| DR. ING. A. AAS-JAKOBSEN AS | 934583191 | OSLO |
| DR.ING. TORBJØRN KJOBERG AS | 924190531 | OSLO |
| DRONNINGA LANDSKAP AS | 988695521 | OSLO |
| DR TECHN KRISTOFFER APELAND AS | 857288262 | OSLO |
| DYBVIG AS | 976700163 | OSLO |
| DYRK AS | 925155365 | OSLO |
| DYRØ OG MOEN AS | 985175608 | OSLO |
| DYRUD BYGG AS | 927801302 | OSLO |
| DYVIK & FASTING ARKITEKTER AS | 999560857 | OSLO |
| EDA ELEKTRO DATA OSLO AS | 929512952 | OSLO |
| EDS BYGGUTVIKLING AS | 829011522 | OSLO |
| ED TREBYGG AS | 926447912 | OSLO |
| EEFFY AS | 928751872 | OSLO |
| EFC NORGE AS | 997488938 | OSLO |
| EG HOLTE AS | 982506395 | OSLO |
| E HALVORSEN ELEKTRO AS | 950669063 | OSLO |
| EIENDOMSBYGG AS | 932343576 | OSLO |
| EIKLID & EKDAHL ELEKTRO AS | 979213832 | OSLO |
| EINAR JARMUND & CO AS | 922887977 | OSLO |
| EIRIK RYSSGÅRD ARKITEKTUR OG DESIGN | 981388135 | OSLO |
| EKANGER FANTINI ARKITEKTER AS | 924404353 | OSLO |
| EKEBERG VARME & SANITÆR AS | 992684291 | OSLO |
| EKSAKT BYGG AS | 994950584 | OSLO |
| ELADIO RAMM AS | 927862751 | OSLO |
| ELDEN AS | 994290207 | OSLO |
| EL EFFEKT AS | 974378663 | OSLO |
| ELEKTRIKER GRUPPEN AS | 879899222 | OSLO |
| ELEKTRISK AS | 970994149 | OSLO |
| ELEKTRO-FAGMANNEN AS | 982275156 | OSLO |
| ELEKTRO-KONTAKTEN AS | 923685464 | OSLO |
| ELEKTRO NETTVERK SERVICE AS | 985586284 | OSLO |
| ELEKTRO-SIVERT INSTALLASJON AS | 958955073 | OSLO |
| ELEMENT ARKITEKTER AS | 981319656 | OSLO |
| ELIAS TSCHERNUTTER ARKITEKTUR | 930772739 | OSLO |
| ELITE ELEKTROENTREPRENØR AS | 829730782 | OSLO |
| ELITE OPPUSSING AS | 922259992 | OSLO |
| ELLINGARD AS | 971155949 | OSLO |
| ELMANN AS | 980872041 | OSLO |
| ELTEL NETWORKS AS | 912955915 | OSLO |
| ELTERA AS | 811600792 | OSLO |
| EMBARK AS | 942530501 | OSLO |
| EMBLA BYGG AS | 987756292 | OSLO |
| EM RØR AS | 998431085 | OSLO |
| ENERGI & MILJØTEKNIKK AS | 920125158 | OSLO |
| ENERGIRÅDGIVNING NORGE AS | 934988671 | OSLO |
| Enerhaugen Arkitektkontor AS | 937009984 | OSLO |
| ENERLYS' RØRSERVICE AS | 928522059 | OSLO |
| ENKIME AS | 929578422 | OSLO |
| ENTAS AS | 988121053 | OSLO |
| ENTREPRENØR SVEIN ROMMEN AS | 838371272 | OSLO |
| ENTREPRENØR WELIN & HANEBORG AS | 963509138 | OSLO |
| ENVIRO ENTREPRENØR AS | 917995427 | OSLO |
| EPTEC Energi AS | 957492258 | OSLO |
| EQUIENT AS | 817523552 | OSLO |
| ERIKSEN & JENSEN AS | 940266009 | OSLO |
| ERLING SVENSSON | 921032447 | OSLO |
| EV GRUPPEN AS | 930185116 | OSLO |
| EXACT GEO SURVEY AS | 974679442 | OSLO |
| F8 ENTREPRENØR AS | 922693471 | OSLO |
| FABEL ARKITEKTER AS | 935012252 | OSLO |
| FACTOR AS | 930074071 | OSLO |
| FAGMESTER VVS AS | 914451868 | OSLO |
| FAUN GRUPPEN AS | 920318479 | OSLO |
| FAVN ENTREPRENØR AS | 994533207 | OSLO |
| FAX ARKITEKTER AS | 931080652 | OSLO |
| FIELD GEOSPATIAL AS | 832436542 | OSLO |
| FILTER ARKITEKTER AS | 881196042 | OSLO |
| FIXERA AS | 921038739 | OSLO |
| FJELDÅSHEIM & NILSEN AS | 911922347 | OSLO |
| FJORD ARKITEKTER AS | 916257678 | OSLO |
| FLIS PROSJEKT AS | 932730057 | OSLO |
| FLOVILD ELEKTRO AS | 934535545 | OSLO |
| FLOW KLIMA OSLO AS | 929599373 | OSLO |
| FLUSH-VVS AS | 998620635 | OSLO |
| FLYT ENTREPRENØR AS | 911944502 | OSLO |
| FLYT RØR AS | 925439703 | OSLO |
| FOFO AS | 920953034 | OSLO |
| FOGK BYGGMESTER AS | 931580620 | OSLO |
| FORCES DC AS | 923034714 | OSLO |
| FØRLAND RØR AS | 918442626 | OSLO |
| FORTICA AS | 933090256 | OSLO |
| FOSSHEIM BYGG AS | 989740849 | OSLO |
| FOYN CONSULT AS | 976870239 | OSLO |
| FRAM INGENIØRKONTOR AS | 912861317 | OSLO |
| FRANCKE BYGG AS | 947599674 | OSLO |
| FRANKE ONSRUD BLIKKSLAGERI AS | 948310082 | OSLO |
| FREDLUND TØMRERFIRMA | 812376152 | OSLO |
| FRONT ENTREPRENØR AS | 980049159 | OSLO |
| FROST ARKITEKTER AS | 914016762 | OSLO |
| FURORE ARKITEKTUR AS | 934404122 | OSLO |
| FUTHARK ARKITEKTER AS | 979979630 | OSLO |
| GADA BYGGETEKNIKK AS | 929914147 | OSLO |
| GAMLEBYEN BLIKK AS | 960011171 | OSLO |
| GARTNERHAGEN AS | 918583262 | OSLO |
| GAST ENTREPRENØR AS | 987627484 | OSLO |
| GBE BYGG AS | 927174146 | OSLO |
| GEOFROST AS | 938349746 | OSLO |
| GEO FUNDAMENTERING & BERGBORING AS | 926836854 | OSLO |
| GEOKONSEPT AS | 930011940 | OSLO |
| GEO SOLUTION AS | 920972217 | OSLO |
| GEOTEKNIA AS | 933134334 | OSLO |
| GEOTEKNIKER AS | 933698343 | OSLO |
| GEOVITA AS | 961388821 | OSLO |
| G&G BYGGSERVICE AS | 934561902 | OSLO |
| GHILARDI+HELLSTEN ARKITEKTER AS | 991864857 | OSLO |
| GILDE BYGG A/S | 993737771 | OSLO |
| GK NORGE AS | 915892981 | OSLO |
| GLASS-SERVICE SVENDSEN OG SØNN AS | 921527675 | OSLO |
| G.NI ARKITEKTUR AS | 913235800 | OSLO |
| GNISTEN INSTALLASJON AS | 971230126 | OSLO |
| GOR ENTREPRENØR AS | 932839121 | OSLO |
| GRAPE ARCHITECTS AS | 915629814 | OSLO |
| GRD MONTASJE AS | 913065336 | OSLO |
| GRINDAKER AS | 944389407 | OSLO |
| GRINDE AS SIVILARKITEKTER MNAL | 947487817 | OSLO |
| GRORUD HÅNDTVERK-SERVICE AS | 976968263 | OSLO |
| GRORUD RØRLEGGER-SERVICE AS | 917768250 | OSLO |
| GRUNG AS | 933182649 | OSLO |
| GRUNNMUR AS | 990097305 | OSLO |
| GULBRANDSEN & OLIMB AS | 879296242 | OSLO |
| GUNNAR KIND AS | 983762433 | OSLO |
| GUNNAR L HANSEN OG SØNN DA | 952947885 | OSLO |
| GUPEX AS | 943705879 | OSLO |
| GUTTA I SLAGET ENTREPRENØR AS | 931752170 | OSLO |
| H2 MILJØ AS | 929503341 | OSLO |
| HAALAND KLIMA AS | 986897526 | OSLO |
| HAARSTAD ERIK SIVILARKITEKT MNAL | 970277005 | OSLO |
| HAGA & BERG ENTREPRENØR AS | 880409972 | OSLO |
| HAGEN VVS AS | 986789766 | OSLO |
| HAKO ELEKTRO AS | 965558268 | OSLO |
| HÅKONRUNE RØR AS | 964659435 | OSLO |
| HALLGEIR TANGEN ANLEGG AS | 930189391 | OSLO |
| HALLSTEIN AS | 917609764 | OSLO |
| HAMMERTIME BYGG AS | 911873400 | OSLO |
| HANCOM ANLEGG AS | 915753280 | OSLO |
| HANDE AS | 914077230 | OSLO |
| HANDVERKER DAHL AS | 933725162 | OSLO |
| HÅNDVERKERIET AS | 945565594 | OSLO |
| HÅNDVERKER SENDYKA AS | 923034307 | OSLO |
| HÅNDVERKSKOMPANIET AS | 969030357 | OSLO |
| HÅNDVERKSTEKNIKK AS | 971227877 | OSLO |
| HANEBORG RØRLEGGERSERVICE AS | 914120810 | OSLO |
| HANESETH REAL ELEKTRO AS | 928159191 | OSLO |
| HANNEVIK BYGG AS | 863696232 | OSLO |
| HANS HAUGERUD AS | 912487113 | OSLO |
| HAPTIC ARCHITECTS AS | 995993198 | OSLO |
| HARALD B LODE SIV ARK MNAL | 982072468 | OSLO |
| HARALD HJELLE ARKITEKTER AS | 986552863 | OSLO |
| HARRY MARTINSEN AS | 914190916 | OSLO |
| HAUGE ELEKTRO AS | 943914559 | OSLO |
| HB HOLTHER ARKITEKT MNAL AS | 917555230 | OSLO |
| HD ARKITEKTER AS | 877470962 | OSLO |
| HEATING. AS | 927535238 | OSLO |
| HEGGELUND & KOXVOLD AS | 934387651 | OSLO |
| HEISCONSULT AS | 977203368 | OSLO |
| HEISKONSULENTEN AS | 988621307 | OSLO |
| HEISRÅDGIVEREN AS | 922054800 | OSLO |
| HELGE BERGO AS | 977465559 | OSLO |
| HELHETSKONTROLL AS | 988979686 | OSLO |
| HELLING ARKITEKTER AS | 927603292 | OSLO |
| HENNING LARSEN ARCHITECTS AS | 998701961 | OSLO |
| HERTZBERG VARMETEKNIKK AS | 914719097 | OSLO |
| HEV ENTREPRENØR AS | 831136782 | OSLO |
| HGN ELEKTRO AS | 919253185 | OSLO |
| HH HÅNDVERK AS | 922695032 | OSLO |
| H-I ELEKTRO AS | 977040256 | OSLO |
| HILLE MELBYE ARKITEKTER AS | 929655478 | OSLO |
| HJ ELEKTRO AS | 924481226 | OSLO |
| HJELP BYGG AS | 917836337 | OSLO |
| HLF ARKITEKTER HÅVARD LINDGÅRD FAGERNES | 928507211 | OSLO |
| HM BYGG MILLAKU | 933264459 | OSLO |
| HOFF BYGG Per Kristian Hoff | 970017178 | OSLO |
| HØLMEBAKK ØYMO AS | 894936932 | OSLO |
| HØYBRÅTEN RØRLEGGERBEDRIFT AS | 923701753 | OSLO |
| HØYSPENT ØST AS | 917741212 | OSLO |
| HRP AS | 988889245 | OSLO |
| HRS ELEKTRO AS | 926858335 | OSLO |
| HRTB AS | 912838161 | OSLO |
| HSN BYGG AS | 898356612 | OSLO |
| HUNDAL BYGG AS | 920602436 | OSLO |
| HUNTER BATER ARKITEKTUR | 927990717 | OSLO |
| HUSAR ARKITEKTER AS | 926417266 | OSLO |
| HUSI PROSJEKT AS | 911638509 | OSLO |
| HUUN PROSJEKT | 929376323 | OSLO |
| IBO ARKITEKTUR AS | 933924114 | OSLO |
| ICC NORDEN AS | 821277302 | OSLO |
| ID RØR AS | 928806782 | OSLO |
| IGNIST AS | 927386259 | OSLO |
| IGN VVS AS | 914743834 | OSLO |
| IHUGA AS | 911874571 | OSLO |
| IKT-ELEKTRO AS | 987218452 | OSLO |
| IN BY AS | 858261082 | OSLO |
| INCEPTIO AS | 927060345 | OSLO |
| INCUBE AS | 999114954 | OSLO |
| INFRANORD NORGE AS | 996230007 | OSLO |
| INFRATEK NORGE AS | 984277032 | OSLO |
| INGENIØR GUNNAR JOHANSSON AS | 997701305 | OSLO |
| INGENIØR HANS BECKER AS | 812013742 | OSLO |
| INGENIØR KNUT LARSEN AS AUT RØRLEGGERMESTER | 984883730 | OSLO |
| INGENIØRKONTORET INGENIA AS | 968142739 | OSLO |
| INGENIØR OG TØMRERMESTER FAYE AS | 916160542 | OSLO |
| INGENIØR TIDEMAND AS | 916758391 | OSLO |
| ING F WICKSTRØM AS | 963978197 | OSLO |
| ING MORTEN FURE AS ELEKTROENTREPRENØREN | 950739126 | OSLO |
| ING. RASMUSSEN & STRAND AS | 999173217 | OSLO |
| ING S D BAASTAD AS | 836946162 | OSLO |
| INJEKSJONSTEKNIKK AS | 957688020 | OSLO |
| INKA ENTREPRENØR AS | 982714737 | OSLO |
| INSENTI AS | 996043851 | OSLO |
| INSTALLATØRENE AS | 997781694 | OSLO |
| INTEC NORGE ØST AS | 928429032 | OSLO |
| INTERIØR EKSPERT AS | 925756032 | OSLO |
| INVA ENGINEERING AS | 936229123 | OSLO |
| IRBYGG ENTREPRENØR AS | 920405746 | OSLO |
| ISTADEN AS | 914985846 | OSLO |
| ITECH AS | 959686017 | OSLO |
| JÆGER BRUDVIK ARKITEKTER AS | 920379664 | OSLO |
| JAN OG JO ELEKTRO AS | 982699185 | OSLO |
| JATEK BYGG AS | 934194985 | OSLO |
| JCDECAUX NORGE AS | 976555988 | OSLO |
| JENSEN & SKODVIN ARKITEKTER AS | 927333244 | OSLO |
| JENS TREIDER SIVILARKITEKT MNAL | 970145214 | OSLO |
| JK ENTREPRENØR AS | 925752401 | OSLO |
| JKR JAN KIHM RØRMONTASJE AS | 945401532 | OSLO |
| JOHANSEN VVS AS | 979212445 | OSLO |
| JOHNSON CONTROLS NORWAY AS | 940729092 | OSLO |
| JORDET ELEKTRO AS | 989368737 | OSLO |
| JØRGENSEN AS | 930827142 | OSLO |
| JOSTEIN RØNSEN ARKITEKTER AS | 975795942 | OSLO |
| JR ANLEGG AS | 934763505 | OSLO |
| JSG AS | 930470864 | OSLO |
| JT BYGG & EIENDOM AS | 928625540 | OSLO |
| JUULS RØRSERVICE AS AUT RØRLEGGERFIRMA | 943919607 | OSLO |
| K2 ELEKTRO AS | 912110117 | OSLO |
| K3 MONTASJE AS | 919579226 | OSLO |
| KAARUD AS | 913068920 | OSLO |
| KÅRE HAGEN & CO AS | 927732777 | OSLO |
| KARTVEIT & HEGGØY BRANNSIKKERHET AS | 819546622 | OSLO |
| K.B.S AS | 912378233 | OSLO |
| KELLER GEOTEKNIKK AS | 922736340 | OSLO |
| KERA ISOLERING AS | 925559792 | OSLO |
| KEROC AS | 912380912 | OSLO |
| KHS ENTREPRENØR INVEST AS | 825269762 | OSLO |
| KIMA ARKITEKTUR AS | 991897666 | OSLO |
| KINOWSKI ENTREPRENØR AS | 920675263 | OSLO |
| KIRKESTUEN AS | 916674481 | OSLO |
| KITSUNE ARKITEKTER AS | 916273657 | OSLO |
| KJERNEHUSET ARKITEKTKONTOR AS | 998232775 | OSLO |
| KLEVER & BACKE AS | 911932997 | OSLO |
| KLIMA OG BYGG AS | 988106542 | OSLO |
| KLIMASERVICE OSLO AS | 915440622 | OSLO |
| KLIMATEKNIKK OSLO AS | 987455233 | OSLO |
| KM BYGGVERK AS | 931249665 | OSLO |
| KNEM OG NÆSVIK AS | 982409829 | OSLO |
| KNUT LIE AS | 919396377 | OSLO |
| KOMPLETT ELEKTRO INSTALLASJON AS | 894631872 | OSLO |
| KOMPLETT RØR AS | 935908701 | OSLO |
| KONE AKSJESELSKAP | 918201548 | OSLO |
| KONSEL AS | 823720432 | OSLO |
| KONSTRUKTON AS | 932868148 | OSLO |
| KONTAKT EL-INSTALLASJON AS | 982752515 | OSLO |
| KONTROLL OG RÅDGIVNING AS | 985826129 | OSLO |
| KRENO AS | 916314701 | OSLO |
| KRINGSJAA NORGE AS | 916694695 | OSLO |
| KRIS BYGG AS | 820277252 | OSLO |
| KRISTIAN STEENSGAARD RØRTEKNISKE AS | 918887326 | OSLO |
| KRITT ARKITEKTER AS | 977528070 | OSLO |
| KROGSTAD BACZEWSKI RØR AS | 915441254 | OSLO |
| KROOK & TJÄDER ARKITEKTER AS | 918371486 | OSLO |
| KR STENSRUD & SØN AS | 930200794 | OSLO |
| K/S RØR AS | 987150440 | OSLO |
| KVALITETSSNEKKEREN AS | 811636282 | OSLO |
| KVANTE RÅDGIVNING AS | 933697991 | OSLO |
| KVARTS ARKITEKTER AS | 991472185 | OSLO |
| KVASS ARKITEKTUR AS | 929445368 | OSLO |
| KVIKK INSTALLASJON AS | 986581626 | OSLO |
| L2 ARKITEKTER AS | 943273553 | OSLO |
| LALA TØYEN AS | 894984872 | OSLO |
| LAMBERTSEN | 930129542 | OSLO |
| LANDSKAPERIET AS | 936236391 | OSLO |
| LANDSKAPSMESTEREN AS | 925923257 | OSLO |
| LARK LANDSKAP AS | 914412684 | OSLO |
| LA RØRSERVICE AS | 935728606 | OSLO |
| LAVASOX AS | 997712528 | OSLO |
| LEITHE & CHRISTIANSEN AS | 919513845 | OSLO |
| LEKKASJETEKNIKK AS | 930698253 | OSLO |
| LERCHE ARKITEKTER AS | 946890987 | OSLO |
| LERDAL BYGG AS | 830857192 | OSLO |
| LIAN HEIS AS | 921194005 | OSLO |
| LID VENTILASJON AS | 977482933 | OSLO |
| LIE ØYEN ARKITEKTER AS | 946736953 | OSLO |
| LINJE ARKITEKTUR AS | 988420603 | OSLO |
| LINJE ELEKTRO SERVICE AS | 922184399 | OSLO |
| LINK ARKITEKTUR AS | 975999726 | OSLO |
| LMR ARKITEKTUR AS | 921760906 | OSLO |
| LOF ARKITEKTER AS | 987260823 | OSLO |
| LOGG ARKITEKTER AS | 979663633 | OSLO |
| LOHNE & LAURITZSEN AS | 918478256 | OSLO |
| LØLAND & PEDERSEN PROSJEKT AS | 933592871 | OSLO |
| LPO ARKITEKTER AS | 934007514 | OSLO |
| LUFTKVALITET AS | 947022148 | OSLO |
| LUND HAGEM ARKITEKTER AS | 957251471 | OSLO |
| LUND+SLAATTO ARKITEKTER AS | 943436347 | OSLO |
| LYSAKER ELEKTRISKE AS | 920060188 | OSLO |
| LYSMESTER`N AS | 986047042 | OSLO |
| LYS OG VARME AS | 977356067 | OSLO |
| LYSPUNKTET AS | 975360296 | OSLO |
| LYSTEKNIKK ELEKTROENTREPRENØR AS | 995971135 | OSLO |
| LYST ELEKTRO AS | 916491840 | OSLO |
| MAD ARKITEKTER AS | 916087578 | OSLO |
| MAGNE MAGLER WIGGEN SIVILARKITEKTER MNAL AS | 979423705 | OSLO |
| MAKE ARKITEKTER AS | 813016702 | OSLO |
| MAKE MAKE AS | 927761807 | OSLO |
| MALAK RØRSERVICE AS | 913916034 | OSLO |
| MALARCHITECTURE AS | 998597919 | OSLO |
| MALERCOMPAGNIET OSLO AS | 960992482 | OSLO |
| MALERHUSET AS | 988118656 | OSLO |
| MALERMESTER JENS PETTER LUNDE AS | 939640533 | OSLO |
| MALERMESTRENE JUUHL & BRATFOSS AS | 997327888 | OSLO |
| MALERSVENN ANTONIO DIAS AS | 933484165 | OSLO |
| MANGLERUD RØRLEGGERBEDRIFT AS | 990400970 | OSLO |
| MANTHEY KULA AS | 913076990 | OSLO |
| MAP ARKITEKTER AS | 992792426 | OSLO |
| MARI IGESUND SIVILARKITEKT AS | 922737509 | OSLO |
| MARKVEIEN EIENDOM AS | 933918122 | OSLO |
| MARSTEEN VVS | 955576799 | OSLO |
| MARTENS TAKST AS | 915765416 | OSLO |
| MARTINSEN BAD & BOLIG AS | 918327967 | OSLO |
| MASSIV LUST AS | 997244605 | OSLO |
| MASTERBAD AS | 927209330 | OSLO |
| MA TOTALBYGG AS | 990250448 | OSLO |
| MDH ARKITEKTER AS | 995117398 | OSLO |
| MEINICH ARKITEKTER AS | 925974625 | OSLO |
| MELBA VVS AS | 964816565 | OSLO |
| MELLBYE ARKITEKTUR INTERIØR AS | 945844159 | OSLO |
| MER ARKITEKTUR AS | 939626387 | OSLO |
| MERCUR VVS ENTREPRENØR AS | 920015239 | OSLO |
| MERELEKTRO AS | 917886172 | OSLO |
| MESTA AS | 992804440 | OSLO |
| MESTER BEDRIFTEN BRATFOS RØRSERVICE AS | 924515813 | OSLO |
| MESTER-RØR VVS AS | 996778894 | OSLO |
| META LANDSKAP AS | 926433296 | OSLO |
| METKON AS | 831278242 | OSLO |
| M-GLASS OG BYGG AS | 935902282 | OSLO |
| MG RØRLEGGERTJENESTER AS | 930784710 | OSLO |
| MINH RØRLEGGERSERVICE AS | 983823785 | OSLO |
| MITHASSEL INGENIØR OG RØRLEGGERBEDRIFT AS | 979575319 | OSLO |
| MJ BYGG AS | 932960796 | OSLO |
| MKAS KRISTIANSEN | 933162273 | OSLO |
| MK TØMRER OG RØRSERVICE AS | 930104817 | OSLO |
| M&M BYGG OG RENOVERING AS | 936076629 | OSLO |
| MM TOTALBYGG ENTREPRENØR AS | 917430209 | OSLO |
| MODERNE BYGGFORNYELSE AS | 979446071 | OSLO |
| MODERNE VVS AS | 967478091 | OSLO |
| MODERNO AS | 987934417 | OSLO |
| MODULSYSTEM AS | 914964024 | OSLO |
| MODUS ARKITEKTER AS | 998653576 | OSLO |
| MØLLER MUR OG BYGG AS | 963433212 | OSLO |
| MOMENTUM ARKITEKTER AS | 992034904 | OSLO |
| MORFEUS AS | 945139579 | OSLO |
| MORFO ARKITEKTER AS | 916637217 | OSLO |
| MØRK VVS RØRLEGGERBEDRIFT AS | 920609333 | OSLO |
| MORTEN EIDE ARKITEKTER AS | 943783950 | OSLO |
| MOSENG POULSEN ARKITEKTUR AS | 976812638 | OSLO |
| MOTUM AS | 818709722 | OSLO |
| MPF ENTREPRENØR AS | 985613338 | OSLO |
| MR. FUG AS | 920844561 | OSLO |
| MR. PUKK AS | 998740908 | OSLO |
| MT BYGGVERK AS | 997993454 | OSLO |
| MULTIBYGG HÅNDVERK AS | 932846225 | OSLO |
| MULTICONSULT NORGE AS | 918836519 | OSLO |
| MULTIREHAB AS | 918714227 | OSLO |
| MURMESTER 1 OSLO AS | 986403388 | OSLO |
| MURMESTER J LUDVIGSEN AS | 963391714 | OSLO |
| MURMESTER KNUT GUTTORM AS | 979983514 | OSLO |
| MURMESTER OG ENTREPRENØR AS | 918842179 | OSLO |
| MURMESTER OG TAKSTMANN NARVE HELLE AS | 915825710 | OSLO |
| MURMESTRENE SVEEN & CO AS | 930058181 | OSLO |
| MV BYGG OG FLIS AS | 916196032 | OSLO |
| MW YTTERSTAD AS | 918934006 | OSLO |
| MYRER VVS AS | 995641569 | OSLO |
| NCC INDUSTRY AS | 984884176 | OSLO |
| NCC NORGE AS | 911274426 | OSLO |
| NCO AS | 995905949 | OSLO |
| ND BYGG AS | 924792043 | OSLO |
| NEST AS | 921136765 | OSLO |
| NEXRØR AS | 933170543 | OSLO |
| NGF RØRSERVICE AS | 930094013 | OSLO |
| NIELS TORP+ ARKITEKTER AS | 922748705 | OSLO |
| NIMBUS FIBER AS | 895204862 | OSLO |
| NINO RØRLEGGER AS | 923843175 | OSLO |
| NIVAA AS | 835781372 | OSLO |
| NK ENTREPRENØR AS | 821095352 | OSLO |
| NMC RØRSERVICE AS | 933639711 | OSLO |
| NM RØR AS | 996798011 | OSLO |
| NOAH EIENDOMSTJENESTER AS | 933642852 | OSLO |
| NO ARKITEKTER AS | 935632625 | OSLO |
| NOIR RØRLEGGERSERVICE AS | 915925421 | OSLO |
| NORDBÆK BYGG AS | 820978382 | OSLO |
| NORDIC OFFICE OF ARCHITECTURE AS | 920013899 | OSLO |
| NORDISK HARMONI AS | 924783834 | OSLO |
| NORDISK HUSPROSJEKT AS | 971506628 | OSLO |
| NORDIVISION AS | 833761412 | OSLO |
| NORDRE AKER ELEKTRISKE AS | 928349993 | OSLO |
| NORDRE AKER RØR AS | 993535192 | OSLO |
| NORDTJENESTER GRUPPEN AS | 997141504 | OSLO |
| NOREL AS | 994952676 | OSLO |
| NORELCO AS ELEKTRO ENTREPRENØR | 947630261 | OSLO |
| NORE VVS AS | 815075692 | OSLO |
| NORGES GEOTEKNISKE INSTITUTT AS | 932089114 | OSLO |
| NORGES TAK & BLIKK AS | 832738662 | OSLO |
| NORGES VASSDRAGS- OG ENERGIDIREKTORAT (NVE) | 970205039 | OSLO |
| Norprosjekt A.S. | 946351032 | OSLO |
| NORSKE BÆRESYSTEMER AS | 996808548 | OSLO |
| NORSK EL-ENTREPRENØR AS | 956109426 | OSLO |
| NORSK ENERGI | 945469277 | OSLO |
| NORSK RØRSERVICE AS | 913529979 | OSLO |
| NOSSUM RØR AS | 990000077 | OSLO |
| NOVI EIENDOM AS | 933115046 | OSLO |
| NOVIUM ENTREPRENØR AS | 922031878 | OSLO |
| NOVO ENTREPRENØR AS | 921688687 | OSLO |
| N P BYGG AS | 942273711 | OSLO |
| NSW ARKITEKTUR AS | 940716845 | OSLO |
| NUNO ARKITEKTUR AS | 942826400 | OSLO |
| NY STRUKTUR AS | 918294112 | OSLO |
| NYTT PROSJEKT AS | 974389657 | OSLO |
| OBOS BLOCK WATNE ENTREPRENØR AS | 930061212 | OSLO |
| OBOS PROSJEKT AS | 931536532 | OSLO |
| ØB-TAK AS | 971072830 | OSLO |
| ODIN BRANNTEKNIKK AS | 922957398 | OSLO |
| OFFJORD-ENTREPRENØR AS | 932172798 | OSLO |
| OKER ARKITEKTUR AS | 976186419 | OSLO |
| ØKONOMIBYGG ARKITEKTUR AS | 985223769 | OSLO |
| Olaf E Eriksen AS Entreprenørforretning | 911492377 | OSLO |
| OLAF JOHANSENS EFTF AS | 944685987 | OSLO |
| OLYMPUS VVS AS | 823874642 | OSLO |
| ONARHEIM AS | 946471623 | OSLO |
| ONECO ELEKTRO AS | 996669173 | OSLO |
| ONECO MOBIL AS | 925894168 | OSLO |
| ONECO NETWORKS AS | 987210001 | OSLO |
| OPAK AS | 960816862 | OSLO |
| OP BYGG AS | 927472236 | OSLO |
| OPPOPP AS | 926561847 | OSLO |
| OPSAHL BOLIG AS | 982170834 | OSLO |
| OPTIMERA AS | 967013056 | OSLO |
| OPTIMERA BYGGSYSTEMER AS | 979658125 | OSLO |
| OPV CONSULTING AS | 917880697 | OSLO |
| OSLO-AKERSHUS RØRLEGGERBEDRIFT AS | 994920790 | OSLO |
| OSLO BAD AS | 995797267 | OSLO |
| OSLO BAD & FLIS AS | 931298739 | OSLO |
| OSLO BAD & RENOVERING AS | 813498952 | OSLO |
| OSLO BLIKKENSLAGERMESTER AS | 922541639 | OSLO |
| OSLO BYGGENTREPRENØR AS | 950030119 | OSLO |
| OSLO BYGG OG EIENDOM AS | 976567846 | OSLO |
| OSLO BYGG OG MONTASJESERVICE AS | 925015008 | OSLO |
| OSLO BYGGREHAB AS | 917016283 | OSLO |
| OSLO BYGG TEKNIKK AS | 914731224 | OSLO |
| OSLO ELECTRO COMPANY AS | 963983549 | OSLO |
| OSLO ELEKTRISKE AS | 961732778 | OSLO |
| OSLO ENGINEERING AS | 924454296 | OSLO |
| OSLO ENTREPRENØR AS | 964676607 | OSLO |
| OSLO KOMMUNE EIENDOMS- OG BYFORNYELSESETATEN | 874780782 | OSLO |
| OSLO MALERMESTER FORRETNING AS | 915883060 | OSLO |
| OSLO MURMESTERBEDRIFT AS | 998530261 | OSLO |
| OSLO OPPMÅLING AS | 923730796 | OSLO |
| OSLO OPPUSSING AS | 919636939 | OSLO |
| OSLO PLUMBING AS | 921208383 | OSLO |
| OSLO PROSJEKT AS | 933846296 | OSLO |
| OSLO PROSJEKT AS | 933787575 | OSLO |
| OSLO RØRENTREPRENØR AS | 934385179 | OSLO |
| OSLO RØR OG VARME AS | 923888225 | OSLO |
| OSLO RØR & SANITÆR AS | 993527270 | OSLO |
| OSLO SNEKKER AS | 918089462 | OSLO |
| OSLOSNEKKEREN AS | 918536450 | OSLO |
| OSLO TEGL & PUSS AS | 981568850 | OSLO |
| OSLOTRE AS | 827301752 | OSLO |
| OSLO & VIKEN RØRLEGGER AS | 926611917 | OSLO |
| OSLO VVS SERVICE AS | 957810950 | OSLO |
| OSLO WORKS AS | 916528353 | OSLO |
| O. STABELL ELEKTRISKE AS | 998541298 | OSLO |
| ØSTENGEN & BERGO AS | 976582705 | OSLO |
| ØSTERÅS BYGG AS | 918599215 | OSLO |
| ØSTLANDSKE VEI OG BETONG AS | 985475628 | OSLO |
| ØSTLANDSKE VVS AS | 984235763 | OSLO |
| OTIS AS | 919419105 | OSLO |
| OUMNIK.STUDIO AS | 934341376 | OSLO |
| P2 ARKITEKTKONTOR Peter Pompino | 986172742 | OSLO |
| PA ENTREPRENØR AS | 952159429 | OSLO |
| PALMGREN AS | 896042602 | OSLO |
| PÅ MILLIMETER`N AS | 979781628 | OSLO |
| PARAGON VVS AS | 929106954 | OSLO |
| PC TYLDUM ARKITEKTER AS | 997859200 | OSLO |
| PEAB ANLEGG AS | 913502566 | OSLO |
| PECON AS | 975336999 | OSLO |
| P. EDBERG SNEKKERSERVICE AS | 998933684 | OSLO |
| PEDER OLIMB | 955565940 | OSLO |
| PEISSELSKABET AS | 935783267 | OSLO |
| P E RØRSERVICE OSLO AS | 981945220 | OSLO |
| PETTER BOGEN ARKITEKTKONTOR AS | 917472882 | OSLO |
| PFP ENTREPRENØR AS | 921000626 | OSLO |
| PILOT ARKITEKTER AS | 984388217 | OSLO |
| PINGVIN KLIMA AS | 983060439 | OSLO |
| PIR2 OSLO AS | 995118777 | OSLO |
| PK BYGGSERVICE AS | 917536104 | OSLO |
| PLANKEKJØRING BYGG AS | 920231365 | OSLO |
| PM BYGG SERVICE AS | 915029868 | OSLO |
| POCO ARKITEKTUR AS | 928989887 | OSLO |
| POLLUX EL INSTALLASJON AS | 936599400 | OSLO |
| POLYGON AS | 915229115 | OSLO |
| POWERHOUSE COMPANY NORWAY AS | 919453745 | OSLO |
| POWWOW ARKITEKTER AS | 915407064 | OSLO |
| PRANS TAKST OG EIENDOM AS | 933787044 | OSLO |
| PROFF RØRSERVICE AS | 920045685 | OSLO |
| PROFF SNEKKERSERVICE AS | 930347698 | OSLO |
| PROFF ZAK AS | 830542752 | OSLO |
| PROJEKT PLANUNG AS | 964105944 | OSLO |
| PROMO ENTREPRENØR AS | 921217641 | OSLO |
| PRO PARTNERS AS | 919857013 | OSLO |
| PRORIV AS | 832799742 | OSLO |
| PROSJEKTMESTER AS | 994093312 | OSLO |
| PROSNEKKER DABROWSKI | 831731532 | OSLO |
| PROTAX ENTREPRENØR AS | 930379433 | OSLO |
| PROTERM AS | 997299175 | OSLO |
| PRO TOTALBYGG AS | 886119372 | OSLO |
| PSS RØRLEGGERSERVICE AS | 933259390 | OSLO |
| PULS ARKITEKTER AS | 977503264 | OSLO |
| PUSHAK AS | 992309318 | OSLO |
| PUSSMESTER AS | 918721371 | OSLO |
| PZ SERVICE AS | 912168646 | OSLO |
| QAM AS | 932375621 | OSLO |
| RAGNAR BOVIM ARKITEKT MNAL | 891965702 | OSLO |
| RAK ARKITEKTUR AS | 912077640 | OSLO |
| RAMBØLL NORGE AS | 915251293 | OSLO |
| RANDEM & HÜBERT AS | 989653245 | OSLO |
| RANDERS TEGL AS | 914878977 | OSLO |
| RASHIDYAN OSLO RØR | 921578210 | OSLO |
| RATIO ARKITEKTER AS | 962959407 | OSLO |
| REAKTOR AS | 817756182 | OSLO |
| REAL PRO AS | 827224812 | OSLO |
| RECOVER AS | 995761440 | OSLO |
| REDE ARKITEKTER AS | 990644411 | OSLO |
| REFCO ENERGI AS | 933379922 | OSLO |
| REFRAME ARKITEKTUR AS | 915545343 | OSLO |
| REIERSGÅRD MASKIN | 966116544 | OSLO |
| REIULF RAMSTAD ARKITEKTER AS | 978690793 | OSLO |
| REJLERS AS | 995500167 | OSLO |
| RENOVA DESIGN AS | 922127549 | OSLO |
| RENOVAR AS | 995356791 | OSLO |
| RESELL & NICCA AS | 915448771 | OSLO |
| RESSURS OG MILJØ AS | 995121034 | OSLO |
| RETT ENTREPRENØR AS | 925880388 | OSLO |
| RGB ENTREPRENØR AS | 932723697 | OSLO |
| RIBA RÅDGIVENDE INGENIØRER AS | 979886381 | OSLO |
| RIFT ARKITEKTUR AS | 927485699 | OSLO |
| RIIS-RØNNOW AS | 917676003 | OSLO |
| RINGEN RØRSERVICE AS | 920678564 | OSLO |
| RINGSIDE RØRLEGGERBEDRIFT AS | 915407692 | OSLO |
| RINGSTAD ANLEGG AS | 924368640 | OSLO |
| RIPO FABRIKA AS | 912878465 | OSLO |
| RIVIER AS | 832185612 | OSLO |
| RMS-A AS | 835032892 | OSLO |
| RØA SNEKKERLAG AS | 936562604 | OSLO |
| ROBERT RØRLEGGER ROBERT NIEMIEC | 915417485 | OSLO |
| RØDAL & MYHRER ELEKTRO AS | 827118672 | OSLO |
| RODEO ARKITEKTER AS | 915062296 | OSLO |
| RØRCONSULT AS | 979645236 | OSLO |
| RØRENTREPRENØREN AS | 926708023 | OSLO |
| RØR GRUPPEN AS | 924759593 | OSLO |
| RØRLEGGER 1 OSLO AS | 996313212 | OSLO |
| RØRLEGGER 24 - 7 AS | 996923568 | OSLO |
| RØRLEGGERHUSET AS | 819595712 | OSLO |
| RØRLEGGER JOHNY OLSEN AS | 918577726 | OSLO |
| RØRLEGGERKOMPANIET AS | 888460942 | OSLO |
| RØRLEGGERMESTER EINAR JØRSTAD AS | 979519532 | OSLO |
| RØRLEGGERMESTER TORSTEIN SOLLI AS | 983486703 | OSLO |
| RØRLEGGER ØST AS | 915967094 | OSLO |
| RØRLEGGER PLUSS AS | 911866765 | OSLO |
| RØRLEGGER SENTRALEN AS | 998942683 | OSLO |
| RØRLEGGER TEKNIKK AS | 997776666 | OSLO |
| RØRLEGGERVAKTA AS | 813075822 | OSLO |
| RØRMONTASJE AS | 984665148 | OSLO |
| RØR OG BYGG ENTREPRENØR AS | 931793403 | OSLO |
| RØR OG KJØKKEN AS | 929751795 | OSLO |
| RØRPARTNER VARME & SANITÆR AS | 934961722 | OSLO |
| RØRPROFF AS | 930024309 | OSLO |
| RØR-REN TJENESTER CZARNECKI | 987903775 | OSLO |
| RØRSERVICE 24 AS | 936040411 | OSLO |
| RØR SYSTEM AS | 996754316 | OSLO |
| RØR SYSTEM RENKAW | 932842041 | OSLO |
| RØRTEKNIKK VVS AS | 974281023 | OSLO |
| RØR & VARME AS | 956517397 | OSLO |
| RØRVERKET AS | 991845771 | OSLO |
| ROSSING RØRLEGGERBEDRIFT AS | 999562442 | OSLO |
| ROTEIGEN - BYGGRÅDGIVNING OG UAVHENGIG KONTROLL | 924939354 | OSLO |
| ROYAL RØRLEGGER SERVICE AS | 923803416 | OSLO |
| ROYAL RØR OSLO AS | 918335560 | OSLO |
| RS BYGGETJENESTER AS | 927328755 | OSLO |
| RS RØR SERVICE AS | 923049827 | OSLO |
| RUUD ENTREPRENØR 1 AS | 984548788 | OSLO |
| RYEN VVS AS | 911910292 | OSLO |
| SAAHA AS | 911721856 | OSLO |
| SANA BYGG AS | 968708775 | OSLO |
| SANITÆR OG VARMEVAKTA AS | 914909368 | OSLO |
| SANS BYGG AS | 989629018 | OSLO |
| SANVARM AS | 977245508 | OSLO |
| S B PETTERSEN ELEKTRO AS | 915206557 | OSLO |
| SCALA ARKITEKTER AS | 912818063 | OSLO |
| SCANDICON AS | 935272602 | OSLO |
| SCANDICON BYGGETEKNIK NUF | 971022779 | OSLO |
| SCANMAST AS | 915115829 | OSLO |
| SCAN SURVEY AS | 850397252 | OSLO |
| SCHNEIDER ELECTRIC NORGE AS | 916247389 | OSLO |
| SD ENTREPRENØR AS | 922170916 | OSLO |
| SD NORDICS AS | 930081698 | OSLO |
| SEQUOIA UTVIKLING AS | 923790756 | OSLO |
| SH-BYGG AS | 992764619 | OSLO |
| SIEMENS AS | 923009108 | OSLO |
| SI ENTREPRENØR AS | 827610372 | OSLO |
| SIGFRED BENTZEN & SØNN AS | 910462105 | OSLO |
| SIGNEX AS | 980833143 | OSLO |
| SILJAN BYGG AS | 828490192 | OSLO |
| SIVILARKITEKT CAMILLA KOLBENSTVEDT | 981470400 | OSLO |
| SIVILARKITEKT TONE LIEN | 992548436 | OSLO |
| SIVILINGENIØR ALEKSIC | 929931777 | OSLO |
| SIVILINGENIØRENE HAUG OG BLOM-BAKKE AS | 943276390 | OSLO |
| SIVILINGENIØR SV BOLKESJØ ANS | 847696222 | OSLO |
| SIV.ING ARNE HAUGE AS | 924387882 | OSLO |
| SIV ING ARNE SANDE | 984755775 | OSLO |
| SIV ING ERLING F JOHNSEN AS | 946686344 | OSLO |
| Siv ing Frode Soløy AS | 933877663 | OSLO |
| SJ DESIGN AS | 921342829 | OSLO |
| SKAANE ARKITEKTUR AS | 923244077 | OSLO |
| SKAARA ARKITEKTER AS | 965004211 | OSLO |
| SKALL ARKITEKT OG ENERGIRÅDGIVER AS | 935676592 | OSLO |
| SKANSKA NORGE AS | 943049467 | OSLO |
| SKOGHEIM EL. INSTALLASJON AS | 989004182 | OSLO |
| SKY BYGG AS | 925080845 | OSLO |
| SLA NORGE AS | 913255682 | OSLO |
| SLS MONTASJE AS | 991462252 | OSLO |
| SMART ELEKTRO AS | 915204007 | OSLO |
| SMEBY JOHNY AUT RØRLEGGERMESTER | 970374337 | OSLO |
| SMESTAD RØR AS | 934899598 | OSLO |
| SMESTAD & VANGSØY RØRSERVICE AS | 933596699 | OSLO |
| SNEKKER ASPHAUG AS | 921198892 | OSLO |
| SNEKKERKOMPANIET AS | 956706246 | OSLO |
| SNEKKERSTIG AS | 911594099 | OSLO |
| SNEKRETARIATET AS | 998585724 | OSLO |
| SNILEHUSET AS | 926418521 | OSLO |
| SNØHETTA OSLO AS | 995135485 | OSLO |
| SOFIA JOHANSSON | 995773880 | OSLO |
| SOLBERG ARKITEKTER AS | 926950533 | OSLO |
| SOLID BYGGPARTNER AS | 930706507 | OSLO |
| SONNE ARKITEKTUR AS | 928333817 | OSLO |
| SØSTRENE AMUNDSEN RØRLEGGERBEDRIFT AS | 992719133 | OSLO |
| SPACECONSTRUCTION AS | 923273867 | OSLO |
| SPAR BYGG AS | 897731312 | OSLO |
| SPINNAKER AS | 986572880 | OSLO |
| SPINN ARKITEKTER AS | 998341914 | OSLO |
| SPOR ARKITEKTER AS | 976588614 | OSLO |
| Sprinkler Prosjekt A/S | 945694246 | OSLO |
| SPRINKLERTEKNIKK AS | 825798382 | OSLO |
| SRA/ AS | 931119516 | OSLO |
| STAKE & GRAVE SERVICE AS | 936775454 | OSLO |
| STÅL OG GLASS AS | 924847433 | OSLO |
| STANDARD RØR AS | 925433004 | OSLO |
| STANNAH AS | 981375858 | OSLO |
| STATICUS | 996037207 | OSLO |
| STAVSETH & LERVIK ARKITEKTER AS | 993795259 | OSLO |
| STEINBAKKEN ENTREPRENØR AS | 921061374 | OSLO |
| STEIN HALVORSEN ARKITEKTER AS | 976842006 | OSLO |
| STEN BAD AS | 929537971 | OSLO |
| STIAN LENES | 933506371 | OSLO |
| STILEO AS | 929351592 | OSLO |
| STOLE AS | 999535119 | OSLO |
| STOPLIGHT ELEKTRO OG BYGNINGSTEKNISKE INSTALLASJONER AS | 986526366 | OSLO |
| STORBRÅTEN AS | 922935939 | OSLO |
| STØRE ARKITEKTER AS | 814862682 | OSLO |
| STORM ELEKTRO OSLO-AKERSHUS AS | 885204392 | OSLO |
| STØRMER MUR & BYGG AS | 927378124 | OSLO |
| STORO BLIKKENSLAGERVERKSTED AS | 981237293 | OSLO |
| STOR-OSLO RØRLEGGERSERVICE AS | 933918084 | OSLO |
| STRÅ ARKITEKTER AS | 922616140 | OSLO |
| STRAND/ LØKEN ARKITEKTER AS | 993445959 | OSLO |
| STRANDSKOGEN ARKITEKTER AS | 936400671 | OSLO |
| STRØMBYGG Strøm | 985834164 | OSLO |
| STRUCTOR GEOMILJØ AS | 915079318 | OSLO |
| STRUCTOR OSLO AS | 913455991 | OSLO |
| STRUCTOR TEKNISKE SYSTEMER AS | 918371680 | OSLO |
| STRUCTOR VANN AS | 929286561 | OSLO |
| STUBBAN INGENIØR AS | 928526267 | OSLO |
| STUBBERUD VVS AS | 934420063 | OSLO |
| STUDIO GORILLA AS | 924520450 | OSLO |
| STUDIO H6 AS | 927700166 | OSLO |
| STUDIO HEIMAT AS | 925836982 | OSLO |
| STUDIO LON AS | 821845572 | OSLO |
| STUDIO OSLO LANDSKAPSARKITEKTER AS | 918152458 | OSLO |
| STUDIO TAVARE AS | 930077097 | OSLO |
| STUDIO TUVA AS | 933878732 | OSLO |
| SUBMET ENTREPRENØR AS | 922114137 | OSLO |
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| SVVS AS | 993538590 | OSLO |
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| SWECO NORGE AS | 967032271 | OSLO |
| SWETCH AS | 919039183 | OSLO |
| T-2 PROSJEKT AS | 880120522 | OSLO |
| TAIAR ELECTRICAL ENGINEERING AS | 831629002 | OSLO |
| TAKLE/THØRUD ARKITEKTER AS | 913504577 | OSLO |
| TAKPARTNEREN KNUDSEN AS | 986295194 | OSLO |
| TAKSTFORUM AS | 914998727 | OSLO |
| TAKST OG BYGGFORUM AS | 912432408 | OSLO |
| TALLBERG ELEKTRO AS | 930850225 | OSLO |
| TANDBERG ARKITEKTER AS | 913068998 | OSLO |
| TANDBERG EIENDOM AS | 955287614 | OSLO |
| TANDBERGS ELEKTRISKE AS | 916636946 | OSLO |
| TÅSEN EL-INSTALLASJON AS | 934220269 | OSLO |
| TAVEI AS | 929823826 | OSLO |
| TEAM SPRINKLER AS | 917643792 | OSLO |
| TEIGEN ARKITEKTER AS | 975804895 | OSLO |
| TERJE GRØNMO ARKITEKTER AS | 990825130 | OSLO |
| THERMA INDUSTRI AS | 991863796 | OSLO |
| THERMA KULDE AS | 917216401 | OSLO |
| THOMASSEN ARKITEKTKONTOR AS | 963092229 | OSLO |
| THORENDAHL AS | 963265433 | OSLO |
| THORSNES BYGG TB AS | 926940791 | OSLO |
| TINE SA | 947942638 | OSLO |
| TIVETA AS | 998718724 | OSLO |
| TIVETA BETONG AS | 920756395 | OSLO |
| TK ELEVATOR NORWAY AS | 828447742 | OSLO |
| TK HOME SOLUTIONS NV FILIAL NORGE NUF | 915103197 | OSLO |
| TK RØRTEKNIKK AS | 997990897 | OSLO |
| TK RULLETRAPPER AS | 947218476 | OSLO |
| T.M. RØR AS | 890451462 | OSLO |
| TOMBYGG AS | 922625603 | OSLO |
| TOMHUS AS | 920735959 | OSLO |
| TØMRERFIRMA RYEN & CO AS | 888549552 | OSLO |
| TØMRERLAG AS | 918832203 | OSLO |
| TØMRERMESTER E. JOHANSEN AS | 986943099 | OSLO |
| TØMRERMESTEREN AS | 926489224 | OSLO |
| TØMRERMESTER GRANHEIM AS | 934216083 | OSLO |
| TØMRERMESTER KENNETH WERNER AS | 995519429 | OSLO |
| TØMRERMESTER KJETIL ERIKSEN AS | 980019829 | OSLO |
| TØMRERMESTER LARS KNUTSEN | 994911619 | OSLO |
| TØMRERMESTER LYCHE & SIMONSEN AS | 978670423 | OSLO |
| TØMRERMESTER ØIVIND FRIVOLL AS | 976462807 | OSLO |
| TØMRERMESTER SIGBJØRN ÅSHEIM AS | 912976475 | OSLO |
| TØMRERMESTER STØRKERSEN | 925872253 | OSLO |
| TØMRERMESTER TOM SUNDVOLL AS | 997789164 | OSLO |
| TOPIC ARKITEKTER AS | 997954203 | OSLO |
| TOPP TRE AS | 923829679 | OSLO |
| TORBJØRN ØDEGÅRDEN AS | 935987229 | OSLO |
| TORE ORVEI AS RØRLEGGERBEDRIFT | 942194498 | OSLO |
| TORFINN EIKELAND | 980235947 | OSLO |
| TORGERSEN ESBEN HALL | 970293604 | OSLO |
| TORSHOV ELEKTRO AS | 898320812 | OSLO |
| TØRT BYGG AS | 990038953 | OSLO |
| TO SNEKKERE AS | 925383058 | OSLO |
| TOTAL VVS AS | 997275160 | OSLO |
| TPM BYGG AS | 915101747 | OSLO |
| TRADISJONELT BYGG HÅNDVERK AS | 918070206 | OSLO |
| TRANSBORDER STUDIO AS | 990530327 | OSLO |
| TREBYGNING AS | 930679240 | OSLO |
| TRESTANDARD BYGG AS | 994495461 | OSLO |
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| TRYGG VVS AS | 998380448 | OSLO |
| TSL NORWAY AS | 834209772 | OSLO |
| TUNHEIM STUDIO | 932851903 | OSLO |
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| TYR GRUPPEN AS | 933786900 | OSLO |
| ULLERN BYGG AS | 921336098 | OSLO |
| UNDERVERK BYGG AS | 918198946 | OSLO |
| URBAN JUNGLE CONSULTING AS | 920221866 | OSLO |
| UREIST AS | 922171769 | OSLO |
| VAKTMESTERKOMPANIET AS | 911935589 | OSLO |
| VAMSÆTER UTLEIE AS | 928078876 | OSLO |
| VANGSØY RØRTEKNIKK AS | 911690446 | OSLO |
| VANNTÅKE AS | 911955105 | OSLO |
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| VA PARTNER AS | 926401726 | OSLO |
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| VARDEN ENTREPRENØR AS | 992574461 | OSLO |
| VARDUND ARKITEKTER AS | 912570223 | OSLO |
| VARIOUS ARCHITECTS AS | 992046449 | OSLO |
| VARMT OG KALDT AS | 914151368 | OSLO |
| VATEK VARME OG ENERGITEKNIKK AS | 968252453 | OSLO |
| VÅTROMSPROFFEN AS | 935293642 | OSLO |
| VA VISJON AS | 922224463 | OSLO |
| VEDAL ENTREPRENØR AS | 983797652 | OSLO |
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| VEIDEKKE INDUSTRI AS | 913536770 | OSLO |
| VELRØR ENGINEERING AS | 926582976 | OSLO |
| VENTISTÅL AS | 876859122 | OSLO |
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| VESTRAAT AS | 926433970 | OSLO |
| VI FIKSER AS | 820173112 | OSLO |
| VIGSNÆS + KOSBERG ++ ARKITEKTER AS | 976867866 | OSLO |
| VIKEN EIENDOM & ENTREPRENØR AS | 922394091 | OSLO |
| VIKING ENTREPRENØR AS | 988417319 | OSLO |
| VILLA UTVIKLING AS | 981602781 | OSLO |
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| VISTER BYGG AS | 934272692 | OSLO |
| VITAL ELEKTRO AS | 916350163 | OSLO |
| VITO ELEKTRO SERVICE AS | 984612982 | OSLO |
| VITREO AS | 997871073 | OSLO |
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| VOLER AS | 926113682 | OSLO |
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| WEBERG AS | 928785890 | OSLO |
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| WETHAL ELEKTROENTREPRENØR AS | 984802730 | OSLO |
| WETTERGREN FASADE AS | 964864683 | OSLO |
| WOLDENGEN AS | 925700657 | OSLO |
| WOOD ARKITEKTUR + DESIGN AS | 996454819 | OSLO |
| WORKMAN AS | 997306503 | OSLO |
| WSP NORGE AS | 881894742 | OSLO |
| XK ENTREPRENØR AS | 995109409 | OSLO |
| YM CONSULT AS | 823242832 | OSLO |
| YMRO AS | 927210142 | OSLO |
| YRAN & DAHLE ARKITEKTER AS | 926515608 | OSLO |
| ZIMM ARKITEKTER AS | 936027911 | OSLO |