Schmidt Tool & Manufacturing CO LLC | Willis | — | ● ACTIVE |
| AVAir & Vacuum Process, INC. | Spring | — | ● ACTIVE |
Dynamis Power Solutions LLC | Spring | — | ● ACTIVE |
Texas Metal Works, LTD CO. | Conroe | — | ● ACTIVE |
The Filter Man, LLC | New Caney | — | ● ACTIVE |
Tisdale Air Conditioning and Heating Company | Conroe | — | ● ACTIVE |
| NRNov Reedhycalog | Conroe | — | ◐ LIKELY ACTIVE |
| BNBrandt Nov | Conroe | — | ◐ LIKELY ACTIVE |
| HEHalliburton Energy Services - Conroe | Conroe | — | ◇ UNVERIFIED |
| WIWelldynamics INC | Spring | — | ◇ UNVERIFIED |
Tri-flo International, INC | Willis | — | ◐ LIKELY ACTIVE |
| HRH & R Mfg. and Supply, INC. | Willis | 20–99 | ◐ LIKELY ACTIVE |
| KTK-solv Trailers LLC | Magnolia | — | ◐ LIKELY ACTIVE |
| PSPollution System Solutions INC | Oak Ridge North | — | ◐ LIKELY ACTIVE |
| RMRobbins & Myers Willis Plant | Willis | — | ◇ UNVERIFIED |
| 0T0290-HES The Woodlands-Conroe | Conroe | 100–499 | ◐ LIKELY ACTIVE |
| BHBaker Hughes Woodlands Drill Bits | The Woodlands | 100–499 | ◐ LIKELY ACTIVE |
| BEBauer Equipment America Inc. | Conroe | 100–499 | ◐ LIKELY ACTIVE |
| ECExotherm Corporation | Magnolia | — | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Conroe | Conroe | 20–99 | ◐ LIKELY ACTIVE |
| HEHalliburton Energy Services, Inc | Spring | 100–499 | ◐ LIKELY ACTIVE |
| HWHattyco Welding & Fabrication CORP | Conroe | — | ◐ LIKELY ACTIVE |
| NSNordic Systems LLC | Pinehurst | — | ◐ LIKELY ACTIVE |
| NCNOV Conroe 500 W | Conroe | 100–499 | ◐ LIKELY ACTIVE |
| PPentair | Conroe | 100–499 | ◐ LIKELY ACTIVE |
| RERoyal Equipment, Inc. | Conroe | 20–99 | ◐ LIKELY ACTIVE |
| SFSparkler Filters Inc | Conroe | 20–99 | ◐ LIKELY ACTIVE |
| WTWater treatment equipment manufacturing | Spring | 20–99 | ◐ LIKELY ACTIVE |
| WRWestern Rubber and Manufacturing | Conroe | 20–99 | ◐ LIKELY ACTIVE |
| AFA/a Fabricators, LLC | Magnolia | — | ◇ UNVERIFIED |
| AFAmc Firetower Rd | Conroe | — | ◇ UNVERIFIED |
| AEAxon Energy Products | Conroe | — | ◇ UNVERIFIED |
| BPBildon Performance | Conroe | — | ◇ UNVERIFIED |
| ECEngine & Compressor Systems INC | The Woodlands | — | ◇ UNVERIFIED |
| FSFrazier & Son L.P. | Conroe | — | ◇ UNVERIFIED |
| GCGreysun Centrifuge, LLC | Conroe | — | ◇ UNVERIFIED |
| LSLangmuir Systems LLC | Conroe | — | ◇ UNVERIFIED |
| LFLb Foster | Willis | — | ◇ UNVERIFIED |
| NBNickens Brothers Racing Engines, INC. | Conroe | — | ◇ UNVERIFIED |
| OVOygo Ventures LLC | Conroe | — | ◇ UNVERIFIED |
| PDProfessional Directional LTD | Conroe | — | ◇ UNVERIFIED |
| RIRedcroft Investments LLC | Conroe | — | ◇ UNVERIFIED |
| SLSelf Leveling Machines, INC. | The Woodlands | — | ◇ UNVERIFIED |
| SEShumate Energy Technologies | Conroe | — | ◇ UNVERIFIED |
| TMTryco Machine Works, LTD. | Porter | — | ◇ UNVERIFIED |
| WIWeisinger INC | Willis | — | ◇ UNVERIFIED |