 | PK SERVICE AS | 980958779 | TRONDHEIM |
| PK STRØM AS | 986514988 | SALTDAL |
| PLAMEK AS | 986018522 | KRØDSHERAD |
| PLAN1 AS | 918412344 | ELVERUM |
| PLANAKUSTIKK AS | 913421949 | BÆRUM |
| PLAN ARKITEKTER AS | 976729153 | TRONDHEIM |
| PLANBYGG.NET AS | 916178395 | KRISTIANSAND |
| PLANERA AS | 921299311 | AUSTEVOLL |
| PLANFORUM ARKITEKTER AS | 974373483 | BÆRUM |
| PLANHUSET AS | 992401222 | DRANGEDAL |
| PLANKEKJØRING BYGG AS | 920231365 | OSLO |
| PLAN- OG BYGGSIKRING AS | 917572704 | ØVRE EIKER |
| PLATER-BEREGNINGER-MASKINER AS | 984885881 | HAMAR |
| P.L. BYGG AS | 922821925 | BERGEN |
| P&L BYGGMESTERFORRETNING AS | 916102496 | LØTEN |
| P L C-MASKIN AS | 911711672 | TØNSBERG |
| PLONKA HUS OG HAGE AS | 927459884 | SANDNES |
| PLOT ARKITEKTER AS | 995101904 | ÅLESUND |
| PLUGGEN ELEKTRO AS | 920399983 | NORDRE FOLLO |
| PLUS ARKITEKTUR AS | 990055718 | FREDRIKSTAD |
| PLUSCONSULT AS | 925615544 | SARPSBORG |
| PLUSS INVEST EIENDOM AS | 992023244 | FREDRIKSTAD |
| PM BYGG OG ANLEGG AS | 923239693 | ALTA |
| PMH AS | 919591374 | SANDEFJORD |
| PMH MONTASJE AS | 926865781 | SANDEFJORD |
| POB BETONG AS | 929624424 | LIER |
| POB ENTREPRENØR AS | 965178228 | LIER |
| POCO ARKITEKTUR AS | 928989887 | OSLO |
| POINT AS | 891080662 | SANDEFJORD |
| POLAR GRENLAND AS | 991026142 | PORSGRUNN |
| POLAR PEL AS | 968431358 | TRONDHEIM |
| POL BETONG AS | 996467775 | SARPSBORG |
| POLLUX INSTALLASJON AS | 918034951 | OSLO |
| POLMAX BYGG AS | 921683235 | RINGSAKER |
| POLSK RASK BYGG AS | 825070052 | FARSUND |
| POLYGON AS | 915229115 | OSLO |
| PONTE BOLIG AS | 911802309 | BERGEN |
| PORS ENTREPRENØR AS | 926087800 | PORSGRUNN |
| PORS GJERDEFABRIKK AS | 984155263 | PORSGRUNN |
| PORSGRUNN RØRLEGGERFORRETNING AS | 924001216 | PORSGRUNN |
| PORT & DØRSENTER AS | 893557172 | TIME |
| PORTNOR BYGG AS | 912025136 | GJERDRUM |
| POTENSIAL ARKITEKTTJENESTE AS | 990821984 | STJØRDAL |
| POTOR EIENDOM AS | 925621218 | HALDEN |
| POVERUD ENTREPRENØR AS | 922197261 | ASKER |
| POWERHOUSE COMPANY NORWAY AS | 919453745 | OSLO |
| POWERPEX AS | 916967225 | LIER |
| POWER SOLUTIONS MMO AS | 811713112 | ALTA |
| POWERTECH AS | 897688182 | DRAMMEN |
| POWERTECH SERVICE AS | 913133978 | LIER |