 | TIME ALUMINIUM AS | 986482229 | SANDNES |
| TIME ELEKTRO AS | 960016785 | TIME |
| TIND1 AS | 989892991 | ASKER |
| TINDE HYTTER AS | 985135282 | NORD-FRON |
| TINE SA | 947942638 | OSLO |
| TINGVOLL ELEKTRO AS | 977540771 | TINGVOLL |
| TINGVOLL RØR AS | 980866998 | TINGVOLL |
| TINNES-MORK MASKIN AS | 936083765 | HORTEN |
| TIPPETUE ARKITEKTER AS | 980043924 | BERGEN |
| TITAN BYGG AS | 921542887 | NORDKAPP |
| TIVETA AS | 998718724 | OSLO |
| TIVETA BETONG AS | 920756395 | OSLO |
| T-J BYGG AS | 927534363 | ALTA |
| TJENESTESERVICE AS | 919322519 | LIERNE |
| TJØME RØRSERVICE AS | 985471304 | FÆRDER |
| T.JØRGENSEN BYGG AS | 922851859 | GRIMSTAD |
| TK BYGGTEAM AS | 927608480 | ØVRE EIKER |
| TK ELEVATOR NORWAY AS | 828447742 | OSLO |
| TK HOME SOLUTIONS NV FILIAL NORGE NUF | 915103197 | OSLO |
| TK MASKINDRIFT AS | 916867433 | FREDRIKSTAD |
| TKØ AS | 925880825 | GJERSTAD |
| TK RØRLEGGERSERVICE AS | 919854898 | SANDNES |
| TK RØRTEKNIKK AS | 997990897 | OSLO |
| TK RULLETRAPPER AS | 947218476 | OSLO |
| TKS BYGG AS | 971077921 | SANDEFJORD |
| TKS HEIS AS | 978681239 | HÅ |
| TKT INNEKLIMA AS | 923792333 | PORSGRUNN |
| TL BOLIG AS | 921955723 | INDRE ØSTFOLD |
| T.L BYGG AS | 919059044 | HAMAR |
| T LEER BYGGSERVICE AS | 919999977 | SIGDAL |
| TL MASKIN AS | 993642193 | NORDRE LAND |
| TLS ELEKTRO AS | 920416721 | LIER |
| TMA BYGG AS | 927181622 | RÅDE |
| TM ANLEGGSERVICE AS | 928990907 | ALTA |
| TM BETONG AS | 991654887 | DRANGEDAL |
| TM BYGGSERVICE AS | 926311158 | SANDNES |
| TM BYGGSYSTEM AS | 928067572 | FREDRIKSTAD |
| TM BYGGTEK AS | 913071409 | GJESDAL |
| TMC BYGG AS | 918852166 | LILLESTRØM |
| TM NORD BYGG AS | 829566192 | KVÆFJORD |
| T.M. RØR AS | 890451462 | OSLO |
| TMT GRUPPEN AS | 936418090 | NORDRE FOLLO |
| T N SERVICE AS | 927870932 | BERGEN |
| TN VARMETEKNIKK AS | 918646663 | INDRE ØSTFOLD |
| TOBB BYGGDRIFT AS | 985171076 | TRONDHEIM |
| TOC AS | 996672840 | KRISTIANSAND |
| T.O. CHRISTENSEN MASKIN & TRANSPORT | 995715252 | HEMNES |
| TØCKSFORS RØRTJENESTE T ANDERSSON | 935079446 | INDRE ØSTFOLD |
| TOFIRE AS | 987363738 | KRISTIANSAND |
| T.O.FJELD AS | 999619614 | FREDRIKSTAD |
| TOFTERÅ BYGG AS | 819665842 | STAVANGER |
| TOGIN AS | 975942007 | SKAUN |
| T. OLSEN RØR AS | 931527150 | MÅLSELV |
| TOMAS TYSSEBOTN AS | 918474021 | KVAM |
| TOMBYGG AS | 922625603 | OSLO |
| TOM-ERIK FLADEBY | 987461683 | LILLESTRØM |
| TOMHUS AS | 920735959 | OSLO |
| TOM HVAAL AS | 876000202 | LARVIK |
| TØMMERÅS BYGG AS | 916808321 | BODØ |
| TØMMERDAL CONSULT AS | 992065591 | ÅLESUND |
| TØMMERHOLT ARMERING AS | 923404376 | SARPSBORG |
| TØMMERMANN TOM AS | 919482311 | ARENDAL |
| TOMMY NIKOLAISEN | 920829708 | EIDSVOLL |
| TOMMY S. ELNÆS AS | 992571152 | NITTEDAL |
| TOMMYS HAGE & ANLEGG AS | 985272913 | BERGEN |
| TOMMY THO BYGG- OG HYTTESERVICE | 824676372 | SEL |
| TOMRA MASKIN AS | 974496682 | VESTNES |
| TØMRAR 1 AS | 917802254 | ØRSTA |
| TØMRAR ÅGE VIK | 991456953 | ASKØY |
| TØMRAR-ELIN Elin Gallefoss | 991872078 | KINN |
| TØMRAR EN MYKLEBUST AS | 929641590 | GLOPPEN |
| TØMRAR G. NYLAND AS | 917329575 | ÅRDAL |
| TØMRAR HELGE ANDVIK | 970354824 | MASFJORDEN |
| TØMRAR K.O. BJØRKUM AS | 826562552 | LÆRDAL |
| TØMRAR LARS ERIK KJOS AS | 912080641 | LUSTER |
| TØMRAR OLE KENNETH ESPE | 990541531 | SOGNDAL |
| TØMRAR ØYVIND JOHANNESSEN | 995723255 | SUNNFJORD |
| TØMRAR SIGBJØRN STRAND AS | 997745396 | ULLENSVANG |
| TØMRAR TOMMY ANDRE AASE AS | 998199069 | SUNNFJORD |
| TOM REE MASKIN AS | 931299689 | TIME |
| TØMRER1 / BENNY MYRENGEN | 999071910 | LILLESTRØM |
| TØMRER1 VEST AS | 932148439 | SUNNFJORD |
| TØMRER ALF KRISTIAN ALFSEN | 914429560 | VEGÅRSHEI |
| TØMRER ANDERS HØILI | 987151064 | FREDRIKSTAD |
| TØMRER ARNT PETTERSEN AS | 991413448 | LYNGDAL |
| TØMRER BJØRN IVAR NILSEN | 991182942 | MODUM |
| TØMRER BJØRN NICOLAYSEN AS | 914263859 | DRANGEDAL |
| TØMRER BJØRNSTAD AS | 919291362 | MIDTRE GAULDAL |
| TØMRER BLOMQUIST AS | 913094336 | LARVIK |
| TØMRER BUSK AS | 924585838 | NESODDEN |
| TØMRER DAGESTAD AS | 915020046 | VOSS |
| TØMRER EIRIK RETZIUS AS | 918461906 | GJØVIK |
| TØMRER ERLEND HEGNA AS | 926800868 | NOTODDEN |
| TØMRER ESPEN BAKKE AS | 925678139 | ØVRE EIKER |
| TØMRER EVEN ROM AS | 920038565 | LØTEN |
| TØMRERFIRMA ARVE LUND | 992617225 | SKAUN |
| TØMRERFIRMA AXTEN | 929843185 | AURSKOG-HØLAND |
| TØMRERFIRMA CARL JØRGENSEN AS | 996124223 | FREDRIKSTAD |
| TØMRERFIRMA DAHL AS | 885375782 | ASKER |
| TØMRERFIRMA ELIASSEN OG PEDERSEN AS | 990647887 | ASKØY |