| Pathway Construction & Electric | B + C10, C36, D04 | 2010 | Renew by Dec 31, 2026 |
| Patmon Company Inc | B | 1973 | Active |
| Patmon Development Inc | B | 2010 | Active |
| Patriot Construction Inc | B + C39 | 2007 | Active |
| Pellarin Construction Group Inc | B | 1985 | Active |
| Pellarin Properties LLC | B | 2026 | Active |
| Performance Construction Specialties | B | 2019 | Active |
| Phoenix Construction Co Inc | B | 2015 | Active |
| Pinasco Plumbing & Heating Inc | B + C16, C20, C36 | 1982 | Active |
| Port City Builders | B | 2026 | Active |
| Port City Heating & Air Conditioning Inc | B + C10, C20, C38 +1 | 2021 | Active |
| Power Solar Structures Construction | B | 2019 | Active |
| Professional Asbestos & Lead Services LLC | B + ASB, C21, C22 +1 | 1994 | Active |
| Property Maintenance Experts Inc | B | 2004 | Active |
| Quality Glass | B + C17 | 1996 | Active |
| R G Quality Trim And Construction Inc | B + C6 | 2015 | Active |
| Rama Builders Inc | B | 2019 | Active |
| RB Environmental Inc | B + ASB, C21, C22 +1 | 1998 | Active |
| RDK Construction Inc | B | 2026 | Active |
| Reconcile Construction Inc | B | 2023 | Active |
| Renewable Technologies Inc | B + C10, C46 | 1996 | Active |
| Renue Restoration And Management Corporation | A, B + C10, C20, C36 | 2009 | Active |
| Revive Remodeling Pros | B + C10, C33, D63 | 2018 | Active |
| Rhino Restores | B | 2026 | Active |
| Richard's Pumping & Excavating Inc | A + C42 | 2004 | Renew by Dec 31, 2026 |
| River Gardens Construction LLC | B | 2024 | Active |
| Roland Construction Inc | B + C39 | 1986 | Active |
| RT Western Inc | B + D63 | 2012 | Active |
| Ruth Exteriors Construction Inc | B | 1990 | Active |
| Sand Cave Construction Inc | B | 2023 | Active |
| Santiago M A Handyman Services Inc | B2 | 2025 | Active |
| Select Building Services | B + C4, C16, C20 +3 | 1946 | Active |
| Serrano Gen Construction | B | 2025 | Active |
| Service Master Of Stockton / Tracy / Manteca | B | 2008 | Active |
| Shelton Darin Construction Inc | B | 1991 | Active |
| Sisley Inc | A | 2010 | Active |
| Skelton Brent & Andy General Building Contracting | B + C13 | 2018 | Active |
| Smallie Development Inc | B + ASB, C8, C15 +2 | 2004 | Active |
| Sousa Built Construction LLC | B | 2024 | Renew by Dec 31, 2026 |
| Spanos A G Construction Inc | B | 1968 | Active |
| Spanos Corporation The | B | 1996 | Active |
| Spediacci Construction Inc | B | 2010 | Active |
| Spring Creek Outdoor Living Inc | B | 2009 | Active |
| Stockton Ace Hardware Inc | B + C2 | 1991 | Active |
| Stone Homes | A, B | 1978 | Active |
| Stratus Construction Company Inc | B | 2012 | Active |
| Summit Restoration & Remodel Inc | B + C33 | 2022 | Renew by Dec 31, 2026 |
| T & N Landscaping | B + C27 | 2017 | Active |
| T V T Genaral Construction | B | 2014 | Active |
| Tara Coatings Inc | B + C33, C39 | 1981 | Active |
| Thompson Group Inc | B | 1975 | Active |
| Titus Clayton A Inc | B + C10, C16, C21 +1 | 2008 | Active |
| TJ Construction Inc | B | 2021 | Active |
| Toccoli Al Construction Inc | B | 1988 | Active |
| Tomco Construction Inc | B + C8 | 1976 | Active |
| Top Estate Construction Inc | B + C8 | 2003 | Active |
| Trinity Development & Construction Inc | B | 2002 | Active |
| Twin Team Construction | B | 2021 | Active |
| Universal Pump & Supply Inc | B + C57, D21 | 1970 | Active |
| Urtiz Cold Room Services And Installation | B | 2025 | Active |
| Utility Telecom Inc | B + C7, C10 | 2010 | Active |
| V And V General Engineering LLC | A | 2025 | Active |
| Va Construction LLC | B | 1981 | Active |
| Valdez Engineering | A | 2024 | Active |
| Valdovinos Construction | B | 2025 | Active |
| Valley Construction Services Inc | B | 2023 | Active |
| Valley Paving & Maintenance Inc | A | 2015 | Active |
| Vargas R Construction Inc | B | 2023 | Active |
| Variety Maintenance Service & Construction | B | 2023 | Active |
| Varwig L R & Sons Inc | A | 1992 | Active |
| Ventura's Construction Inc | B | 2025 | Active |
| Vidagab Inc | B | 2022 | Active |
| Villagomez General Construction Inc | B | 2026 | Active |
| We Paint & Renovate Inc | B + C33 | 2004 | Active |
| Wight Construction & Materials Company | A, B + C8, C27, C29 +3 | 2021 | Active |
| XC Torres Construction | B | 2026 | Active |
| Xilohua Homes LLC | B | 2025 | Active |