| OPOmni Precision, INC. | Houston | — | ◇ UNVERIFIED |
| OFOutdoor Furniture Refinishing, INC. | Houston | — | ◇ UNVERIFIED |
| OSOwens Specialty Company, INC. | Channelview | — | ◇ UNVERIFIED |
| PDPamela Deats dba Custom Built Awards | Humble | — | ◇ UNVERIFIED |
| PFPanel Finishers, INC. | Houston | — | ◇ UNVERIFIED |
| PGPan Glo Services Houston | South Houston | — | ◇ UNVERIFIED |
| PIPAOK Industries LLC | Houston | — | ◇ UNVERIFIED |
| PMPatina Metals INC | Houston | — | ◇ UNVERIFIED |
| PPPeerless Pumps | Houston | — | ◇ UNVERIFIED |
| PEPeterson Equipment Co., INC. | Katy | — | ◇ UNVERIFIED |
| PSPetro Service & Supply CO INC | Houston | — | ◇ UNVERIFIED |
| PWPf Waterworks, L.p. | Houston | — | ◇ UNVERIFIED |
| PWPf Waterworks, L.p. | Houston | — | ◇ UNVERIFIED |
| PWPioneer Works, CO. | Houston | — | ◇ UNVERIFIED |
| P6Plant 62 | Houston | — | ◇ UNVERIFIED |
| PUPlasson USA | Houston | — | ◇ UNVERIFIED |
| PCPlate Cut, INC. | Houston | — | ◇ UNVERIFIED |
| PPPortable Pipe Hanger, L.p. | Houston | — | ◇ UNVERIFIED |
| PSPraxair Surface Technologies | Houston | — | ◇ UNVERIFIED |
| PMPrecoat Metals Houston | Houston | — | ◇ UNVERIFIED |
| PMPremier Machining Services, INC. | Houston | — | ◇ UNVERIFIED |
| PVPremium Valve Services, LLC | Channelview | — | ◇ UNVERIFIED |
| PLPressurelinks, L.p. | Spring | — | ◇ UNVERIFIED |
| PMProcutt Machine LLC | Houston | — | ◇ UNVERIFIED |
| PMPromaxima Manufacturing LTD. | Houston | — | ◇ UNVERIFIED |
| PMProStar Manufacturing Inc | Pasadena | — | ◇ UNVERIFIED |
| PVP V American INC | Houston | — | ◇ UNVERIFIED |
| PPPw Platforms, INC. | Houston | — | ◇ UNVERIFIED |
| QCQm Company INC | Houston | — | ◇ UNVERIFIED |
| QIQuality Industrial Fabrication INC. | Houston | — | ◇ UNVERIFIED |
| RIRage Industrial Solutions LLC | Houston | — | ◇ UNVERIFIED |
| RMRanger Machining | Houston | — | ◇ UNVERIFIED |
| RMRb Machine Works INC. | Humble | — | ◇ UNVERIFIED |
| RIRch Industries Facilities | Houston | — | ◇ UNVERIFIED |
| RSRe-cal Services Crosby Facility | Crosby | — | ◇ UNVERIFIED |
| RSRecruiting Source International, LLC | Channelview | — | ◇ UNVERIFIED |
| RPReliance Precision Partners LTD | Houston | — | ◇ UNVERIFIED |
| RVRemington Valve, LLC | Houston | — | ◇ UNVERIFIED |
| REResult Enterprise Dba High Tech Finishing | Houston | — | ◇ UNVERIFIED |
| RTRex Tech International | Houston | — | ◇ UNVERIFIED |
| RMRilco Manufacturing | Houston | — | ◇ UNVERIFIED |
| RIRji INC. | Houston | — | ◇ UNVERIFIED |
| RVR&n Ventures, INC | Houston | — | ◇ UNVERIFIED |
| RIRoyco Industries INC. | Houston | — | ◇ UNVERIFIED |
| RFRRC Fabrication | Houston | — | ◇ UNVERIFIED |
| RIRussell Industries, INC. | Jersey Village | — | ◇ UNVERIFIED |
 Schuff Steel-gulf Coast Airline Drive Facility | Houston | — | ◇ UNVERIFIED |
| SISetpoint Integrated Solution | La Porte | — | ◇ UNVERIFIED |
| SFShaw Fabricators | Houston | — | ◇ UNVERIFIED |
| SISlaughter Industrial Fabrication Company, LLC | Houston | — | ◇ UNVERIFIED |
