 | PER OVE SIGGERUD | 969176483 | ÅS |
| PERPETUUM AS | 984464045 | TROMSØ |
| PERSONLIG ARKITEKTUR AS | 927994909 | TIME |
| PERSSON ELEKTRO AS | 834735032 | HAUGESUND |
| PER TRY AS | 982124670 | KRISTIANSAND |
| PES TRANSPORT OG GRAVING AS | 990492808 | LIER |
| PETERS BYGGSERVICE AS | 992243228 | BÆRUM |
| PETERSEN AS | 983541666 | TROMSØ |
| PETERSMURERFIRMA BRYDE | 997132491 | INDRE ØSTFOLD |
| PETTER A OLSEN AS | 987965045 | HVALER |
| PETTER BAKØY AS | 993433489 | INDRE FOSEN |
| PETTER BOGEN ARKITEKTKONTOR AS | 917472882 | OSLO |
| PETTER DAHL SERVICES AS | 923437363 | BERGEN |
| PETTERSEN BYGG AS | 911548593 | SENJA |
| PETTERSEN-BYGG AS | 930828378 | ALTA |
| PETTERSEN BYGG OG RENOVERING AS | 997224787 | KARLSØY |
| PETTERSEN DRIFT AS | 995150182 | LURØY |
| PETTERSEN ENTREPRENØR AS | 930699624 | VAKSDAL |
| PETTERSEN RUNE | 970093842 | EIDSVOLL |
| PETTERSENS EL INSTALLASJON AS | 839064152 | RAKKESTAD |
| PEWI AS | 971169478 | DRAMMEN |
| PFP ENTREPRENØR AS | 921000626 | OSLO |
| PG-BYGG AS | 931635794 | GLOPPEN |
| PG BYGGESERVICE AS | 931180916 | SANDNES |
| PID SOLUTIONS AS | 998626978 | TØNSBERG |
| PILAR BYGGRÅDGIVNING AS | 985467102 | FLEKKEFJORD |
| PILESTREDET RØRSERVICE AS | 936435769 | OSLO |
| PILOT ARKITEKTER AS | 984388217 | OSLO |
| PINGVIN KLIMA AS | 983060439 | OSLO |
| PIPE EKSPERTEN AS | 835345882 | HALDEN |
| PIPEFIKS AS | 914099978 | VENNESLA |
| PIPEREP AS | 912185141 | ULLENSAKER |
| PIR2 AS | 995792974 | TRONDHEIM |
| PIR2 OSLO AS | 995118777 | OSLO |
| PKA ARKITEKTER AS | 837506492 | TRONDHEIM |
| PK BYGGSERVICE AS | 917536104 | OSLO |
| PK ENTREPRENØR AS | 932171295 | KRISTIANSAND |
| PK HUS AS | 970923845 | KONGSBERG |
| PK ØVERDAL AS | 930727911 | TINN |
| PK RØR AS | 932478447 | BÆRUM |
| PK SERVICE AS | 980958779 | TRONDHEIM |
| PK STRØM AS | 986514988 | SALTDAL |
| PLAMEK AS | 986018522 | KRØDSHERAD |
| PLAN1 AS | 918412344 | ELVERUM |
| PLAN3 ARKITEKTUR AS | 992618590 | NAMSOS |
| PLANAKUSTIKK AS | 913421949 | BÆRUM |
| PLAN ARKITEKTER AS | 976729153 | TRONDHEIM |
| PLANERA AS | 921299311 | AUSTEVOLL |
| PLANHUSET AS | 992401222 | DRANGEDAL |
| PLANKEKJØRING BYGG AS | 920231365 | OSLO |
| PLAN- OG BYGGSIKRING AS | 917572704 | ØVRE EIKER |
| PLAN OG RESSURS AS | 992293160 | KONGSBERG |
| P.L. BYGG AS | 922821925 | BERGEN |
| P&L BYGGMESTERFORRETNING AS | 916102496 | LØTEN |
| PLONKA HUS OG HAGE AS | 927459884 | SANDNES |
| PLOT ARKITEKTER AS | 995101904 | ÅLESUND |
| PLUS ARKITEKTUR AS | 990055718 | FREDRIKSTAD |
| PLUSCONSULT AS | 925615544 | SARPSBORG |
| PLUSS INVEST EIENDOM AS | 992023244 | FREDRIKSTAD |
| PM BYGG SERVICE AS | 915029868 | OSLO |
| PMH ELEKTRO AS | 919591374 | SANDEFJORD |
| POB BETONG AS | 929624424 | LIER |
| POB ENTREPRENØR AS | 965178228 | LIER |
| POCO ARKITEKTUR AS | 928989887 | OSLO |
| POETIC AS | 990925100 | KRISTIANSUND |
| POLAR GRENLAND AS | 991026142 | PORSGRUNN |
| POL BETONG AS | 996467775 | SARPSBORG |
| POLLUX EL INSTALLASJON AS | 936599400 | OSLO |
| POLSK RASK BYGG AS | 825070052 | FARSUND |
| POLYGON AS | 915229115 | OSLO |
| PORS GJERDEFABRIKK AS | 984155263 | PORSGRUNN |
| PORSGRUNN RØRLEGGERFORRETNING AS | 924001216 | PORSGRUNN |
| PORTNOR BYGG AS | 912025136 | GJERDRUM |
| POTENSIAL ARKITEKTTJENESTE AS | 990821984 | STJØRDAL |
| POVERUD ENTREPRENØR AS | 922197261 | ASKER |
| POWERHOUSE COMPANY NORWAY AS | 919453745 | OSLO |
| POWERPEX SERVICE AS | 928669491 | LIER |
| POWER SOLUTIONS MMO AS | 811713112 | ALTA |
| POWWOW ARKITEKTER AS | 915407064 | OSLO |
| PPM PROSJEKT TRONDHEIM AS | 921882440 | TRONDHEIM |
| PRAKSIS ARKITEKTER AS | 979468520 | STEINKJER |
| PRAKT BYGG AS | 912308731 | BÆRUM |
| PRANS TAKST OG EIENDOM AS | 933787044 | OSLO |
| PREBO BYGG AS | 932992787 | ORKLAND |
| PRE-CON AS | 915949339 | KONGSVINGER |
| PREFAB DESIGN AS | 897350122 | STAVANGER |
| PREG BOLIG AS | 917476411 | ASKER |
| PRESIS VEGDRIFT AS | 914888794 | BERGEN |
| PRETRE AS | 884647762 | STRYN |
| PROAKTIV BYGGEKONTROLL AS | 930877182 | ÅLESUND |
| PRO ARKITEKT AS | 914194423 | DRAMMEN |
| PROBY AS | 911709031 | SANDNES |
| PROBYGG CONCEPT AS | 931701916 | SANDNES |
| PRO BYGGESERVICE AS | 927326248 | MOSS |
| PRO BYGGPARTNER AS | 836448332 | BERGEN |
| PRO BYGGTAKST AS | 934140273 | ASKER |
| PROCEED AS | 916878575 | ASKØY |
| PROCESS INSTALLATION AS | 918686762 | KRISTIANSAND |
| PROCON AS | 960193466 | KARMØY |
| PROCON RÅDGIVENDE INGENIØRER AS | 975874532 | STAVANGER |