| 1 Alpha, LLP | EC | Active |
| 1888 Industrial Services LLC | EC | Active |
| 3 Rays Electric LLC | EC | Active |
| 3s Engineering & Design LLC | EC | Active |
| A.C.E. Contracting LLC | EC | Active |
| Able Project Services LLC | EC | Active |
| Absolute Electric Wtx, LLC | EC | Active |
| AC Electric | EC | Active |
| Alejandro Energy Experts LLC | EC | Active |
| All American Construction LLC | EC | Active |
| Americool Electrical Service, Inc. | EC | Active |
| Amped Bros LLC | EC | Active |
| Angus Electric LLC | EC | Active |
| Aranda Electric Company | EC | Renew by Oct 31, 2026 |
| Arc Power Services LLC | EC | Active |
| Atascosa Electric Company | EC | Active |
| Ausbuilt, LLC | EC | Active |
| Automated Integration Solutions Ais LLC | EC | Active |
| Billings Electric Inc. | EC | Active |
| Black Rock Electrical Construction LLC | EC | Active |
| Blackstone Electric | EC | Active |
| Brown's Permian Electric | EC | Active |
| Ca Electric Inc | EC | Active |
| Cam Electrical Service Group LLC | EC | Active |
| Camacho Electric LLC | EC | Active |
| Canyon Electrical Service And Supply LLC | EC | Active |
| Cardenas Construction And Remodeling CCR | EC | Active |
| Charger Energy Services, LLC | EC | Active |
| City Wide Electric | EC | Active |
| CNR Electric | EC | Active |
| Corey Sly Electrical Service Inc | EC | Active |
| Crockett Electric | EC | Active |
| Crooked Horn Services LLC | EC | Active |
| CTJ Electrical Services | EC | Active |
| Current Electric | EC | Active |
| D & D Electric | EC | Active |
| D & E Electrical Contractors | EC | Active |
| D & L Electric | EC | Active |
| Davis Electric Service Company | EC | Active |
| Dawson Electric & Cabling Solutions LLC | EC | Active |
| Delta Support Services LLC | EC | Renew by Dec 3, 2026 |
| Design Solutions & Integration Inc | EC | Active |
| Diamond Electrical Service | EC | Active |
| Drain Power Inc | EC | Active |
| Dunrite Electric | EC | Active |
| Elevated Electrical Services LLC | EC | Active |
| Empire Services, LLC | EC | Active |
| Escn, Inc | EC | Active |
| Foxwest Properties LTD | EC | Renew by Nov 7, 2026 |
| G And G Electric LLC | EC | Active |
| G&D Electric, LLC | EC | Renew by Dec 2, 2026 |
| G&S Electric Co | EC | Active |
| G-Power Electrical Services LLC | EC | Active |
| Giles Electric | EC | Active |
| Goe, LLC | EC | Active |
| Greenest Energy LLC | EC | Active |
| Grip Energy Services | EC | Renew by Dec 14, 2026 |
| Guardian Electric LLC | EC | Active |
| H L Electric | EC | Active |
| I-20 Electric | EC | Renew by Nov 5, 2026 |
| J & T Electrical Contractors Inc | EC | Active |
| James Electric LLC | EC | Active |
| Johnston Electric | EC | Active |
| Just Macs LLC | EC | Active |
| Kp&E Electric LLC | EC | Active |
| Ksi Construction LLC | EC | Active |
| KTX Electric LLC | EC | Active |
| Leos Electrical Service LLC | EC | Active |
| Leybrajoe Electric LLC | EC | Active |
| Livewire Midland Electric Company | EC | Active |
| Lythix LLC | EC | Active |
| Medrano's Electric LLC | EC | Active |
| Mike Rawlins Electrical Services LLC | EC | Active |
| Mortensen Electric LLC | EC | Active |
| Motron Electric | EC | Renew by Dec 5, 2026 |
| Nate Volts Electrical Services | EC | Active |
| Noralta Technologies LLC | EC | Active |
| Olivas Electric | EC | Active |
| P&E Construction | EC | Active |
| Parco General Construction, Inc | EC | Active |
| Pearce Electric Co | EC | Active |
| Phase 3 Energy & Power Solutions LLC | EC | Active |
| Power Ray LLC | EC | Active |
| Precision Electrical Services LLC | EC | Active |
| Prime Electrical Resources. LLC | EC | Active |
| Protorque Energy, Inc. | EC | Active |
| Quest Electrical & Mechanical Corp | EC | Active |
| R L Roberts Contractors LLC | EC | Active |
| R.S. Contractors | EC | Active |
| Ranch And Oilfield Construction LLC | EC | Active |
| Raven Solutions LLC | EC | Active |
| Reid Electrical | EC | Active |
| RMC Electric DBA Cadmus Electric | EC | Active |
| Route 20 Electric | EC | Active |
| S And B Of Permian Basin Electric, LLC | EC | Active |
| Sanchez Electric | EC | Active |
| Satokie Electric LLC | EC | Active |
| Savage Group LLC | EC | Active |
| Saving Energy Electric | EC | Active |
| Shock Rock Services LLC | EC | Active |