| Gigawatt Electric | EC | Active |
| GJJ Electrical Services LLC | EC | Active |
| Global Electrical Solutions Inc. | EC | Active |
| Good Guys Electric LLC | EC | Active |
| H&F Electrical Systems LLC | EC | Active |
| Hanners Electric | EC | Renew by Dec 20, 2026 |
| Horn Electric | EC | Active |
| Huggins Electric Company | EC | Active |
| Hunt Electrical Services LLC | EC | Active |
| Imperial Electric LLC | EC | Active |
| In-Phase, LLC | EC | Active |
| Independent Utility Construction, Inc. | EC | Active |
| Isaet Electric LLC | EC | Active |
| J & J Electric LLC | EC | Active |
| J&K Electrical Services | EC | Active |
| J'Co Electric | EC | Active |
| Jacob's Electrical Repairs | EC | Active |
| Jaguar Electrical Solutions LLC | EC | Active |
| Jah Electric Group Inc | EC | Active |
| Jaure Mechanical Services | EC | Active |
| Jaylee Electric LLC | EC | Renew by Dec 7, 2026 |
| JC Electric Inc. | EC | Active |
| JCR Electric LLC | EC | Active |
| JMD & Associates, LP | EC | Active |
| JN Electrical Services | EC | Active |
| Joe's Electrical Service | EC | Renew by Nov 25, 2026 |
| JW Electric | EC | Active |
| K&A Electric | EC | Active |
| KB Electrical Services LLC | EC | Active |
| Kiker Electrical LLC | EC | Active |
| Kinetic Energy Services LLC | EC | Active |
| KNR Electrical Solutions | EC | Active |
| Koss Power & Electronic Systems | EC | Renew by Dec 8, 2026 |
| LSR Electric | EC | Active |
| Lumin8 Transportation Technologies LLC | EC | Active |
| Lux Electric LLC | EC | Active |
| M&D Partners, Inc | EC | Active |
| M-Force Electric | EC | Active |
| M4 Electrical LLC | EC | Active |
| Mackie Electric Co Inc | EC | Active |
| Maranatha Electric Co. | EC | Active |
| Mas Electric | EC | Active |
| Me AC Services & Electric Inc | EC | Active |
| Merkama Electric | EC | Active |
| Mica Corporation | EC | Active |
| Microplex Electric | EC | Active |
| Mighty Faith Electric LLC | EC | Active |
| Mighty Volt Electric LLC | EC | Active |
| Montoya Electrical Services LLC | EC | Renew by Dec 19, 2026 |
| Moonlit Electrical Services | EC | Active |
| Neece Electric LLC | EC | Active |
| Nexgen Electric TX LLC | EC | Active |
| Northgate Electric | EC | Active |
| Ntex Electric Inc. | EC | Active |
| Origin Electric LLC | EC | Active |
| Outman Electric, LLC | EC | Active |
| Oviedo Electric | EC | Active |
| Pace Contracting | EC | Active |
| Pando LLC | EC | Active |
| Parish Electric Co Of Fort Worth, Inc | EC | Active |
| Perez Electrical Service | EC | Renew by Dec 13, 2026 |
| Petree Electrical Services, LLC | EC | Active |
| Pinnacle Electric LLC | EC | Renew by Dec 23, 2026 |
| Plug-In Electric | EC | Active |
| PMC Electrical LLC | EC | Active |
| Pnoe Electrical Contractors & Associates | EC | Active |
| Polo Electrical Services LLC | EC | Active |
| Potomac Electric Services, LLC | EC | Renew by Nov 25, 2026 |
| Power Moves Electric | EC | Active |
| Prime Electric LLC | EC | Renew by Nov 9, 2026 |
| Pro Zone Electric LLC | EC | Active |
| Prometheus Power Solutions | EC | Active |
| Pta Electrical Services Inc | EC | Active |
| Quad2 Electric LLC | EC | Active |
| Quantum North America LLC | EC | Active |
| R5 Electric | EC | Active |
| Ramirez-Ramirez Electric | EC | Active |
| RBG Electric LLC | EC | Active |
| RCV Electric Inc. | EC | Active |
| Reagle Service | EC | Renew by Nov 24, 2026 |
| Rec Electrical LLC | EC | Active |
| Red Beard Electric | EC | Active |
| Rey-Mar Construction,llc | EC | Active |
| Ridgetop Electrical Services | EC | Active |
| Ridglea Electric, Inc | EC | Renew by Dec 12, 2026 |
| Riles Electric & Construction Co | EC | Active |
| Rivmar Electrical LLC | EC | Active |
| Ronald W Austin Inc DBA Austin Electric | EC | Active |
| Saginaw Electric LLC | EC | Active |
| Salinas Electrical Services | EC | Active |
| Savior Electric LLC | EC | Active |
| Schaefer Electric Company LLC | EC | Active |
| Schuster Electric Corporation | EC | Renew by Nov 30, 2026 |
| Scott Tucker Construction Company LLC | EC | Active |
| Sei Electrical Contractors LLC | EC | Active |
| Sky View Energy Group LLC | EC | Active |
| Skyline Tex Electric LLC | EC | Active |
| Solar Bros Electric, LLC | EC | Renew by Dec 14, 2026 |
| South Industrial Electric LLC | EC | Active |
| Spark Power (Southwest Usa) Corp | EC | Active |