 | ØYGARDEN RØRLEGGERSERVICE AS | 940367018 | ØYGARDEN |
| ØYNEBRÅTEN ANLEGGSTEKNIKK AS | 932867907 | GOL |
| ØYSTEIN ALBERTSEN AS | 916677316 | VÅGAN |
| ØYSTEIN HENRIKSEN AS | 980263037 | ØVRE EIKER |
| ØYSTEIN KOPSLAND | 982556325 | NOTODDEN |
| ØYSTEIN LINDTVEIT AS | 988444898 | VEGÅRSHEI |
| ØYSTEIN SPIGSETH BYGGENTREPRENØR | 820014022 | NES |
| ØYSTEIN THOMMESEN AS | 980380017 | TRONDHEIM |
| ØYSTEIN UTEMILJØ OG SNEKKERSERVICE, ØYSTEIN SLETNER | 933623653 | AURSKOG-HØLAND |
| ØYSTRE SLIDRE TØMRARLAG AS | 918618015 | ØYSTRE SLIDRE |
| ØYVIND ARNTZEN | 923539476 | GJØVIK |
| ØYVIND JOHNSEN ARKITEKTUR AS | 931984179 | FREDRIKSTAD |
| ØYVINDS VEDLIKEHOLDSSERVICE AS | 998275083 | SANDEFJORD |
| ØYVIND VÅGSVOLL | 887632472 | FARSUND |
| P2 ARKITEKTKONTOR Peter Pompino | 986172742 | OSLO |
| PAAL AS | 922308837 | TRONDHEIM |
| PAALERUD VVS AS | 934845463 | NORDRE FOLLO |
| PAAL J KAHRS ARKITEKTER AS | 955780698 | BERGEN |
| PABLORØR VVS AS | 923994114 | SØR-ODAL |
| PA ENTREPRENØR AS | 952159429 | OSLO |
| PAHR ENTREPRENØR AS | 930793078 | ÅS |
| P.A KLEV EFTF. AS | 913849094 | LINDESNES |
| PÅL HAUGSTAD | 970392971 | RINGEBU |
| PÅL H. DOBLOUG MASKIN AS | 995699087 | HAMAR |
| PALLIN AS | 948266970 | INDRE FOSEN |
| PALMGREN AS | 896042602 | OSLO |
| PÅL NORDHAGEN AS | 912422356 | ENEBAKK |
| PÅL ØKSNE AS | 961802741 | NITTEDAL |
| PÅ MILLIMETER`N AS | 979781628 | OSLO |
| PA MUR AS | 997532686 | KRISTIANSAND |
| PANELBYGG AS | 979143737 | DRAMMEN |
| PAN PROSJEKT AS | 927083558 | TROMSØ |
| PARADIS MASKINUTLEIE AS | 922715440 | STAVANGER |
| PARAGON VVS AS | 929106954 | OSLO |
| PARAT HALVORSEN AS | 986908277 | FLEKKEFJORD |
| PARK & ANLEGG AS | 982382955 | SARPSBORG |
| PARK & ANLEGGSTJENESTER AS | 980348954 | TRONDHEIM |
| PARKETTGRUPPEN AS | 988360651 | KARMØY |
| PA RØR AS | 988803286 | RANA |
| PARRINGTON BETONG AS | 931913050 | ASKER |
| PART ARKITEKTUR AS | 920470556 | BERGEN |
| PARTNERBLIKK AS | 910274694 | EIGERSUND |
| PARTNER ELEKTRO AS | 930016519 | LILLESTRØM |
| PAS INGENIØRER AS | 988599417 | SARPSBORG |
| PASS BYGG AS | 974362236 | ØYER |
| PAT - RØRLEGGER BESTE SERVICE PATRYK NOWIK | 933368610 | BÆRUM |
| PAUL BERG AS | 993331104 | GJØVIK |
| PAULI MASKIN AS | 922753652 | HORTEN |
| PAUL MESSA AS | 991241736 | RAKKESTAD |
| PAULSEN MASKIN AS | 933907074 | NÆRØYSUND |
| PAUL SOLHEIMDAL AS | 953164523 | MOLDE |
| PAVA BYGG AS | 917622493 | BERGEN |
| PAXON AS | 923454462 | HAUGESUND |
| PAYA SOLUTIONS AS | 926714406 | ASKER |
| P BYGG AS | 924455667 | STAVANGER |
| PC TYLDUM ARKITEKTER AS | 997859200 | OSLO |
| P D STAFSETH AS | 963649738 | ÅLESUND |
| PDV BYGG AS | 989363085 | SANDEFJORD |
| PEAB ANLEGG AS | 913502566 | OSLO |
| PEAB BYGG AS | 943672520 | TROMSØ |
| PEBO RØR AS | 982521645 | GLOPPEN |
| PEC ELEKTRO SANDEFJORD AS | 990688583 | SANDEFJORD |
| PEC ELEKTRO TØNSBERG AS | 976027663 | TØNSBERG |
| PECON AS | 975336999 | OSLO |
| PEC RØRLEGGER AS | 921227892 | TØNSBERG |
| P. EDBERG SNEKKERSERVICE AS | 998933684 | OSLO |
| PEDER OLIMB | 955565940 | OSLO |
| PEDERSEN BYGG AS | 982405750 | VESTBY |
| PEDERSEN & HANSEN BODØ AS | 985258279 | BODØ |
| PEDERSEN LANDSKAP AS | 915754058 | TØNSBERG |
| PEDERSEN MASKIN AS | 852299932 | ALTA |
| PEDERSEN OG ALBREKTSEN BYGG AS | 914816963 | FÆRDER |
| PE ENTREPRENØR AS | 989445804 | NITTEDAL |
| P.E. GAARUD AS | 820868382 | LINDESNES |
| PEG AS | 929483111 | BÆRUM |
| PEGUT BYGGEKSPERTER AS | 933877175 | AURE |
| PEIKKO NORGE AS | 946249114 | DRAMMEN |
| PEISMAKERN AS | 851367942 | ASKER |
| PEIS & PIPE AS | 931275097 | ENEBAKK |
| PEISSELSKABET AS | 935783267 | OSLO |
| PENTEX AS | 920473865 | FREDRIKSTAD |
| PER AARSLEFF NUF | 979815379 | |
| PER A ØREN ENTREPRENØR AS | 911982188 | HØYANGER |
| PER AUGON SAUAR AS | 996714632 | DRANGEDAL |
| PER E GJELDNES MASKIN AS | 929452518 | SURNADAL |
| PER GULDAHL AS | 975995631 | RÆLINGEN |
| PER GUNNAR KONGENSØY AS | 999544800 | NÆRØYSUND |
| PER HAGEN AS | 976911032 | RENDALEN |
| PER HELGE HYBBESTAD ANDERSEN AS | 934331710 | LARVIK |
| PER HERMANN KRØGER SIVILARKITEKT | 970018212 | NESODDEN |
| PER H STOKKE AS | 965322922 | LIER |
| PER INGE SJURSETH AS | 912042227 | KARMØY |
| PER KIRKENG | 964193169 | INDRE ØSTFOLD |
| PER KRISTIAN LÅCHE | 970488545 | MARKER |
| PER KRISTIAN RODLIE | 998295890 | DRAMMEN |
| PER KVÆSTAD AS | 992841850 | SULDAL |
| PER OLAF VASSGÅRD MASKINENTREPRENØR AS | 927600595 | MOLDE |
| PER OLE MOEN AS | 980778932 | NOME |
| P E RØRSERVICE OSLO AS | 981945220 | OSLO |
| PER OVE LØSET | 970056998 | VOLDA |