| P & T Snekkerserivce AS | Brumunddal | 2005 |
| P a Maskin AS | Laksvatn | 2014 |
| P Bygg AS | Finnøy | 2020 |
| P C Richardson & Co (Middlesbrough) Limited | North Yorkshire Ts9 5Pt | 2025 |
| P E Rørservice Oslo AS | Oslo | 2000 |
| P H Asfalt Nuf | Lincolnshire Pe11 1Af | 2025 |
| P Johnsen Bygg AS | Laksevåg | 2015 |
| P Larsson Stensätteri Patrik Larsson | Mysen | 2000 |
| P S Håland Rør AS | Bryne | 1999 |
| P S Vaktmesterservice AS | Gamle Fredrikstad | 2012 |
| P Undheim AS | Undheim | 2002 |
| P&A Eiendom AS | Drammen | 2026 |
| P&I Maler AS | Vettre | 2026 |
| P&L Byggmesterforretning AS | Løten | 2015 |
| P&P Elektryk SP. Z O. O. | Pl-31-511 Kraków | 2025 |
| P&S Byggservice AS | Skjåk | 2015 |
| P-A Bygg AS | Vannvåg | 2011 |
| P-H Holding AS | Torp | 2018 |
| P-Project AS | Kolvereid | 2023 |
| P. Andersen Kobber & Blikk AS | Kråkerøy | 2005 |
| P. Bakøy Invest AS | Rissa | 2008 |
| P. E. Holding AS | Mandal | 2014 |
| P. E. Montasje Og Vedlikehold AS | Skiptvet | 2009 |
| P. Edberg Snekkerservice AS | Oslo | 2012 |
| P. Flatebø Holding AS | Etne | 2005 |
| P. G-S Montage | 665 33 Kil | 2008 |
| P. H Polish Construction and Redecoration Services | Blommenholm | 2005 |
| P. Mech AB | Se-294 31 Sölvesborg | 2016 |
| P. T. Holding AS | Rong | 2020 |
| P. Try AS | Søgne | 2005 |
| P.0. Rørmyr AS | Halden | 2016 |
| P.A Klev Eftf. AS | Mandal | 2014 |
| P.A. Byggservice AS | Laksevåg | 2017 |
| P.A. Øvstegård AS | Ørsta | 2008 |
| P.A.K Saltverket 18 AS | Mandal | 2007 |
| P.B.S. D.O.O. | Hr-51000 Rijeka | 2023 |
| P.Bernts AS | Jømna | 2021 |
| P.E. Gaarud AS | Mandal | 2018 |
| P.H.U Klon V/ Jozef Furlepa | Gardermoen | 2006 |
| P.H.U. L-Nord Beata Hotel | Pl-80 336 Gdansk | 2010 |
| P.I.P - Bygg AS | Drammen | 2017 |
| P.L. Bygg AS | Espeland | 2019 |
| P.M.A. Snekkerservice AS | Skjetten | 2024 |
| P.N Holding AS | Sørumsand | 2020 |
| P.O. Bygg AS | Bjørkelangen | 2020 |
| P.O.I. Janicki | 13-200 Dzialdowo | 2014 |
| P.P.H.U. Mateusz Warzocha | 10-443 Olsztyn | 2014 |
| P.P.U.H Stabi-L Boguslaw Hendel | Ålesund | 2011 |
| P.R. Snekkern AS | Buvika | 2011 |
| P.S. Bygg AS | Skjetten | 2020 |
| P.T. Aftret AS | Hell | 2010 |
| P.U.B Mardo | 27-400 Ostrowiec Swietokrz | 2005 |
| P.U.H. Professional Polish Workers | 07-200 Wyszkow | 2004 |
| P.Vasshaug Bygg AS | Svolvær | 2020 |
| P2 Bygg AS | Halden | 2018 |
| P3 Elektro AS | Mysen | 2021 |
| Pa Byggrehabilitering AS | Oslo | 2019 |
| Pa Entreprenør AS | Oslo | 1989 |
| Pa Maling AS | Alta | 2014 |
| Pa Mur AS | Kristiansand S | 2011 |
| Pa Rør AS | Mo I Rana | 2005 |
| Paabygg AS | Skien | 2014 |
| Paal GmbH | Svelvik | 2002 |
| Paalerud VVS AS | Kråkstad | 2025 |
| Pab-Varioplan SP. Zoo | 43-300 Bielsko-Biala | 2007 |
| Pablorør VVS AS | Slåstad | 2019 |
| Pac Bygg AS | Oslo | 2022 |
| Packsize GmbH | De-32051 Herford | 2024 |
| Pacon AS | Råholt | 2014 |
| Paczkowski Investment & Trade AS | Hemnes | 2017 |
| PAD38 AS | Stathelle | 2014 |
| Padd Holding AS | Oslo | 2021 |
| Padol Malerfirma AS | Kleppe | 2026 |
| Paf Eiendom AS | Brumunddal | 2014 |
| Pahr Entreprenør AS | Vinterbro | 2023 |
| Painting Grzegorz Krygier | Oslo | 2007 |
| Paisan Bygg & Rehabilitering AS | Tomasjord | 2024 |
| Pajala-Hvm Housing OY Nuf | Fi-90440 Kempele | 2026 |
| Pakas Multiservice AS | Vormedal | 2021 |
| Pal Byggservice AS | Hønefoss | 2018 |
| Pal Entreprenør AS | Hønefoss | 2021 |
| Palett Invest AS | Kristiansand S | 2005 |
| Palle Meldgaard Aps | Dk-8680 Ry | 2014 |
| Palle Omarsson Bygg Og Tømrerservice AS | Fredrikstad | 2013 |
| Pallesen Bygg AS | Skedsmokorset | 2019 |
| Pallesen Bygg Service AS | Finnøy | 2025 |
| Palleservice Albertsen & Rambjør Ans | Oslo | 1999 |
| Pallin AS | Rissa | 1988 |
| Palmera House AS | Stavanger | 2025 |
| Palmgren AS | Oslo | 2010 |
| Palmgren Eiendom AS | Oslo | 2005 |
| Palmyra AS | Kristiansand S | 2021 |
| Pam Bygg AS | Kautokeino | 2021 |
| Pamar Stanislaw Jakubowski | 70-634 Szczecin | 2006 |
| Pan Holding AS | Vesterøy | 2014 |
| Pan Mariuz Kolosowski | 78-312 Swidwin | 2012 |
| Pan Prosjekt AS | Tromsø | 2021 |
| Pancom Management AS | Porsgrunn | 2016 |
| Panelbygg AS | Drammen | 1997 |
| Pano Bygg AS | Gran | 2021 |