 | ANLEGGSGARTNERMESTER PER NORDSTRØM | 974687305 | LUNNER |
| ANLEGGSGARTNERMESTER SØMME AS | 827991082 | SANDNES |
| ANLEGGSGARTNERMESTER SVEIN ERIK JOHANSEN AS | 967752053 | BODØ |
| ANLEGGSGARTNERMESTER TORBJØRN NORDTILLER AS | 986698043 | TRONDHEIM |
| ANLEGGSGARTNERMESTER WIKHOLM AS | 929106067 | BERGEN |
| ANLEGGSGARTNER MORTEN BORGER AS | 984572522 | SKIPTVET |
| ANLEGGSGARTNER NORDENGEN AS | 922670528 | PORSGRUNN |
| ANLEGGSGARTNER ØST AS | 922845387 | SANDEFJORD |
| ANLEGGSGARTNER ØST GEILO AS | 928764079 | HOL |
| ANLEGGSGARTNER RICHARD BRYHN AS | 977351685 | ASKER |
| ANLEGGSGARTNER SIGURD JOHANNESSEN AS | 916160917 | FROGN |
| ANLEGGSGARTNER TEAM HARDHAUS AS | 988288268 | ÅSNES |
| ANLEGGSGARTNER TORSTEIN SOLVANG AS | 898277992 | JEVNAKER |
| ANLEGGSMASKINER AS | 914330858 | TRONDHEIM |
| ANLEGGS- OG INDUSTRIDYKK AS | 993298018 | STORD |
| ANLEGGSPARTNER SØR AS | 992865768 | KRISTIANSAND |
| ANLEGGS-SERVICE AS | 953553635 | RANA |
| ANLEGGSSERVICE AS | 985394717 | SYKKYLVEN |
| ANLEGGSSERVICE ØRSTA AS | 915406726 | ØRSTA |
| ANLEGGSSYSTEMER AS | 942012470 | SANDNES |
| ANLEGGSTEKNIKK ALTA AS | 995919427 | ALTA |
| Anleggstjenester A/S | 946720046 | MELHUS |
| ANLEGG VEST AS | 917680272 | ASKØY |
| ANNA EINARSEN ARKITEKTKONTOR AS | 916205899 | BØ (NORDLAND) |
| ANNO STUDIO FOR ARKITEKTUR DESIGN OG LANDSKAPSFORMING SIVILARKITEKTER ANS | 941680224 | OSLO |
| ANOR AS | 998743060 | HOLMESTRAND |
| ANOVA BOLIGER AS | 993587249 | MOSS |
| ANSNES ENTREPRENØR AS | 966103108 | ASKER |
| ANS ØVERN & DYBVIG TØMRERLAG | 960785746 | RINGSAKER |
| ANTARK SOLBERG | 917478376 | NORDRE FOLLO |
| ANTHONY FEBRILLET MARTINEZ | 919630922 | ULLENSAKER |
| ANTIKVARISK RESTAURERINGSVERKSTED - ARV AS | 990683921 | TRONDHEIM |
| ANTON I. HUNSBEDT AS | 989459392 | KVINESDAL |
| ANTON VVS TEKNIK 24 TIMERS SERVICE Anton Shllaku | 990898855 | ASKER |
| ANUND DYRUD | 984919085 | MIDT-TELEMARK |
| ÅNUND RAGNAR DUKANE | 984455429 | ÅMLI |
| AOG BYGG AS | 866761752 | BERGEN |
| A OG J BJORDAL AS | 925827207 | HØYANGER |
| A.O.KLEIVE BYGG AS | 930605972 | MOLDE |
| APARO ENERGI AS | 993167800 | KONGSVINGER |
| A PAULSEN & SØNNER AS | 939284699 | IBESTAD |
| APRIL ARKITEKTER AS | 910279009 | OSLO |
| APROVA AS | 995156954 | ARENDAL |
| APURGO AS | 994807609 | TRONDHEIM |
| AQILA AS | 937155085 | VESTVÅGØY |
| AQUACONSULT AS | 933746623 | OSLO |
| AQUAPARTNER AS | 963164157 | GRIMSTAD |
| AQUARIUS RØRLEGGERBEDRIFT AS | 992887397 | OSLO |
| AQUARØR AS | 995799715 | OSLO |
| AQUA RØRFORNYING AS | 925568201 | TRONDHEIM |