| Phollies Inc | B | 1991 | Active |
| Pierson Precision Construction Inc | B | 2023 | Active |
| Pillar To Pillar LLC Construction | B | 2025 | Active |
| Pilot Construction Management Inc | A, B + ASB, C10, C17 +1 | 2009 | Active |
| Pinnacle Construction And Development Inc | B | 2012 | Active |
| Pioneer Construction Remodeling | B | 2025 | Active |
| Pioneer Contractors Inc | B + ASB, C39 | 2000 | Active |
| Pioneer Roofing Organization LLC | B + C39 | 2024 | Active |
| Pivotal Builders Inc | B | 2024 | Active |
| PJD Construction Inc | B | 2015 | Active |
| Planart Construction Corp | B | 2010 | Active |
| Plant / Ground Control A Joint Venture | A | 2024 | Renew by Nov 30, 2026 |
| Plant Construction Company L P | A, B + C8 | 2014 | Active |
| Plus General Construction Inc | B + C10 | 2006 | Active |
| Podesta Design Build | B | 2001 | Active |
| Power Construction Inc | A, B + C8, C50 | 2005 | Active |
| Power Hammer Builder Corp | B | 2024 | Active |
| Powertree Services Inc | B + C46 | 2023 | Active |
| Poza Construction | B | 2022 | Active |
| Prague Property Management Inc | B + C10, C36 | 2014 | Active |
| Precision Engineering Inc | A, B | 2006 | Active |
| Prime Builder & Development | B | 2025 | Active |
| Prime Construction & Renovation Inc | B | 2017 | Active |
| Principal Builders Inc | B | 2003 | Active |
| Pristine Builders Group | B | 2020 | Active |
| Private Residence Construction | B | 2021 | Active |
| Pro Design Build And Construction Inc | B | 2025 | Active |
| Professional Home Designs | B | 2014 | Active |
| Proprietary Green Engineering And Investments Inc | A, B | 2023 | Active |
| Prospect Construction | B | 2016 | Active |
| Prosper Construction Development Inc | B | 2018 | Active |
| Pump Repair Service Co | A + D21 | 1970 | Active |
| Purcell General Construction Inc | B | 2026 | Active |
| Q & Q Electric Company Inc | B + C10 | 2005 | Active |
| Q A Constructors Inc | A | 2016 | Active |
| Quality General Construction Co Inc | B | 2014 | Active |
| Quality Home Builders Construction Inc | B | 2017 | Active |
| Quality Painting & Construction Company Inc | B + C33 | 2001 | Active |
| QWRP Construction Inc | B | 2023 | Active |
| R & D Construction Co Inc | B + C36 | 2003 | Active |
| R & S Construction Management Inc | A, B | 2014 | Active |
| R Group Inc | B | 2004 | Active |
| R P Construction Co Inc | B | 2002 | Active |
| R R A Construction Inc | A | 2020 | Active |
| R T S Construction | B | 2024 | Active |
| R&M Construction & Remodeling LLC | B | 2026 | Active |
| Radhaus Development | B | 2023 | Active |
| Rainbow Waterproofing & Restoration Co | A, B + C29, C33, C39 | 1954 | Active |
| Ramirez De Haro Group | A, B + C8, D06 | 2000 | Active |
| Ramos General Construction Inc | B | 2017 | Active |
| Randomity Construction Inc | B | 2010 | Renew by Nov 30, 2026 |
| Ranger Pipelines Inc & CTS JV | A, B + C4, C31, HAZ | 2025 | Active |
| Ranger Pipelines Incorporated | A, B + C4, C31, HAZ | 1982 | Active |
| Ranger/Liffey JV | A + C4, C10, C31 +1 | 2021 | Active |
| Rapid Flow Plumbing & Rooter Inc | B + C36 | 2024 | Active |
| Rarefield Design/Build | B | 2003 | Active |
| Ray Lui Construction Inc | B | 2022 | Active |
| Rba Construction & Engineering LLC | A | 2024 | Active |
| Ready 2 Sell Renovations Inc | B + C21 | 2017 | Active |
| Real Solutions For Painting Inc | B + C33, D41 | 2021 | Active |
| Realty Builders Inc | B | 2001 | Active |
| Recology Inc | A | 1989 | Active |
| Recraft Architecture And Construction | B | 2026 | Active |
| Red Dot Construction LLC | B | 2026 | Active |
| Red Rock Hill Construction LLC | B | 2016 | Active |
| Redlog Construction Group | B + C15, C33, C54 | 2017 | Active |
| Redstone Builders Inc | B | 2021 | Active |
| Redwood Engineering Construction | A | 2009 | Active |
| Reform Build LLC | B | 2026 | Active |
| Reilly Home Interiors Inc | B2 + C15, C33, C54 | 2015 | Active |
| Reinhardt Construction Solutions LLC | B + C10 | 2015 | Active |
| Related California Construction LLC | B | 2019 | Active |
| Relevancy Design Build Inc | B | 2023 | Active |
| Reliable Construction Inc | B | 2013 | Active |
| Reliance Engineering Inc | A + C10, HAZ | 2004 | Active |
| Reliant Construction LLC | B | 2026 | Active |
| Ren Construction Inc | B + C36 | 2024 | Active |
| Resource Design Interiors | B + C15, D34 | 1995 | Active |
| Restoration Workshop LTD | B | 2004 | Active |
| Reveal Partners | B | 2014 | Active |
| Reyes Remodeling Bay Area Inc | B2 + D63 | 2016 | Active |
| Ricardo's General Construction | B | 2023 | Active |
| Rick Electric & Construction Inc | B + C10 | 2025 | Active |
| Riley Remodeling And Consulting Inc | B | 2016 | Active |
| Rinaldi Construction Co Inc | B | 1986 | Active |
| Rivera Construction & Plumbing | B + C36 | 2025 | Active |
| Rivera M Construction Inc | B | 1999 | Active |
| RK Engineering Inc | A | 2017 | Active |
| RMR Construction Company | B | 1981 | Active |
| Roadway Construction Inc | A | 2011 | Active |
| Roberts Hardware | B | 2000 | Active |
| Rocca A M Inc | A, B + C10, C36 | 1998 | Renew by Dec 31, 2026 |
| Rock & Iron Builders LLC | B | 2026 | Active |
| Rockland Construction Group Inc | A, B + C10, C16, C20 +2 | 2014 | Active |
| Roebuck Construction Inc | A, B | 2001 | Active |
| Romkon Inc | A, B | 1991 | Active |
| Ronan General Engineering | A | 2014 | Active |
| Rong Jian Design Build Inc | B + C10 | 2026 | Active |
| Rony's Handyman Construction | B + C36 | 2021 | Active |
| Roof Express | B + C39 | 2021 | Active |