| PKPelletizer Knives | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PBPepsi Bottling Group | Houston | TX | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| PPPerformance Plastic Produ | Houston | TX | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| PIPgi International | Houston | TX | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| PIPlexmar Incorporated | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PIPowell Industries Offshore | Houston | TX | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| PSPraxair Surface Technologies INC | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PSPrecision Spray & Coatings | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PEPrince Energy LLC | Houston | TX | Chemical Manufacturing325220 | — | ◇ UNVERIFIED |
| PMPrince Minerals | Houston | TX | Chemical Manufacturing325220 | — | ◇ UNVERIFIED |
| PPPro Plastics Baythorne Facility | Houston | TX | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| PPPro Plastics Windfern Facility | Houston | TX | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PPulspray-keith | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| QPQuality Product Finishing | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| QCQuest Chemical CORP | Houston | TX | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| QMQuietflex Mfg CO LP | Houston | TX | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| RHReed Hycalog LP | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| RSRelevant Solutions | Houston | TX | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| RCRepipe Construction | Houston | TX | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RMRinker Materials Hydro Conduit | Houston | TX | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
 Riviana Foods Houston | Houston | TX | Food Manufacturing311423 | — | ◇ UNVERIFIED |
| RERti Extrusions | Houston | TX | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| SSSampson Street Facility | Houston | TX | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SMSandvik Materials Technology | Houston | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SESec Energy Products and Services LP | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SSepramet | Houston | TX | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| SFSercel Fallstone | Houston | TX | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| STService Transport Company | Houston | TX | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| SWService Wire CO | Houston | TX | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| SWShinko Wire America,inc. | Houston | TX | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| SASifco Applied Surface Concepts | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SFSigma Fasteners | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SCSmith Corrosion Services Incorporated | Houston | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SRSolid Rock Ready Mix Site | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSouth Coast Terminals Ptf | Houston | TX | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| SMSouthline Metal Products CO | Houston | TX | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| SSSpeed & Sport Chrome Plating | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SCSrm Concrete Plant 402 | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SSS & S Plating CO | Houston | TX | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| S3Stage 3 Separation | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
 Standard Machine Works INC | Houston | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SCStarpak CORP | Houston | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SPStauffer Pipe Services | Houston | TX | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SAStewart and Stevenson Telge Road Facility | Houston | TX | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| SPStreamline Polymers | Houston | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SHSws Holdings Pasadena | Houston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| TGTechnipfmc Gremp Campus | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TCTenaris Coiled Tubes - Seacat | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TPTexas Pmw INC | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TSTexas Steel Processing | Houston | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
