Box Gang Manufacturing LLC | Houston | 20–99 | ● ACTIVE |
Enduro Composites INC | Houston | 100–499 | ● ACTIVE |
General Plastics & Composites, L.p. | Houston | 100–499 | ● ACTIVE |
| HPHobas Pipe USA | Houston | 100–499 | ● ACTIVE |
Moore Fabrication, INC. | Houston | — | ● ACTIVE |
Piping Technology & Products INC | Houston | 500+ | ● ACTIVE |
| ATAdvanced Technology and Diversified Products, INC | Houston | 1–19 | ● ACTIVE |
| AMAltamira Material Solutions, LP | Houston | — | ● ACTIVE |
Lgc US Asset Holdings, LLC | Houston | 500+ | ● ACTIVE |
Reef Industries, INC. | Houston | 20–99 | ● ACTIVE |
Scheele Engineering CORP | Houston | 20–99 | ● ACTIVE |
Ghx Industrial LLC | Houston | — | ● ACTIVE |
Integrated Molding Solutions, INC. | Houston | — | ● ACTIVE |
Marktiva LLC | Houston | — | ● ACTIVE |
Steelhead Tubular LLC | Houston | — | ● ACTIVE |
Texcel, LLC | Houston | — | ● ACTIVE |
Waterjet Technologies, LLC | Houston | — | ● ACTIVE |
| PPProske Plastic Products INC | Houston | 20–99 | ◐ LIKELY ACTIVE |
| RBRoyal Baths Manufacturing | Houston | 100–499 | ◐ LIKELY ACTIVE |
| GDGlasscraft Door CORP | Houston | 100–499 | ◐ LIKELY ACTIVE |
| CAComposite Advanced Technologies | Houston | 20–99 | ◐ LIKELY ACTIVE |
| DWD. W. Industries, INC. | Houston | 1–19 | ◐ LIKELY ACTIVE |
| HFHouston Foam Plastic BLDG #3 | Houston | 100–499 | ◐ LIKELY ACTIVE |
| MMauser | Houston | — | ◐ LIKELY ACTIVE |
Ranco Industries, INC | Houston | 20–99 | ◐ LIKELY ACTIVE |
| SGSolmax Geosynthetics, LLC | Houston | 20–99 | ◐ LIKELY ACTIVE |
| TITexas Injection Molding LLC | Houston | 100–499 | ◐ LIKELY ACTIVE |
| CSClock Spring | Houston | — | ◐ LIKELY ACTIVE |
| TRThe Rohart Company | Houston | 100–499 | ◐ LIKELY ACTIVE |
| TWThe WellBoss Company, LLC | Houston | 100–499 | ◐ LIKELY ACTIVE |
| UIUtex Industries Corporate | Houston | 20–99 | ◐ LIKELY ACTIVE |
| GPGsf Plastics Corporation | Houston | 1–19 | ◐ LIKELY ACTIVE |
| RGRampak Group | Houston | 100–499 | ◇ UNVERIFIED |
| ECEndurance Composites | Houston | — | ◐ LIKELY ACTIVE |
| GNgood natured Products ( TEXAS) LLC dba FormTex Plastics | Houston | 20–99 | ◐ LIKELY ACTIVE |
| GLGse Lining Technology | Houston | — | ◐ LIKELY ACTIVE |
| HFHouston Foam Plastics | Houston | 20–99 | ◐ LIKELY ACTIVE |
| MIMasterduct INC. | Houston | 1–19 | ◐ LIKELY ACTIVE |
| OMOmni Manufacturing Services, INC | Houston | 1–19 | ◐ LIKELY ACTIVE |
| PIPlato Industries, LTD. | Houston | 1–19 | ◐ LIKELY ACTIVE |
| RIReef Industries | Houston | — | ◐ LIKELY ACTIVE |
| UCUpg Company, LLC | Houston | 20–99 | ◐ LIKELY ACTIVE |
| GIGirard Industries INC | Houston | — | ◐ LIKELY ACTIVE |
| ITInhance Technologies Berwick | Houston | 100–499 | ◐ LIKELY ACTIVE |
| DFDiamond Fiberglass Houston Plant | Houston | — | ◇ UNVERIFIED |
| ECEnduro Composite Systems | Houston | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP | Houston | — | ◇ UNVERIFIED |
| PPPerformance Plastic Produ | Houston | — | ◇ UNVERIFIED |
| PPPro Plastics Baythorne Facility | Houston | — | ◇ UNVERIFIED |
| PPPro Plastics Windfern Facility | Houston | — | ◇ UNVERIFIED |