| Daniel Tong & Assoc. Dta Electric, Corp | EC | Active |
| Dantex Electrical Contractors LLC | EC | Active |
| Dashiell Corporation | EC | Renew by Dec 29, 2026 |
| DBA Morgan Pro Services, LLC | EC | Active |
| DBL Nickel Electric | EC | Renew by Dec 13, 2026 |
| Deco Contractors Inc | EC | Active |
| Definite Electric LLC | EC | Active |
| Denny's Electrical Company | EC | Active |
| Deuce Electrical | EC | Active |
| DG Signs And Graphics LLC | EC | Active |
| Diamond Power Services | EC | Renew by Dec 18, 2026 |
| Dicass Electrical, LLC | EC | Active |
| Divin Electrical Services, Inc. | EC | Active |
| Division Electrical Inc | EC | Active |
| DM Electrical And Construction LLC | EC | Active |
| DN Services | EC | Active |
| DNG Electrical Services | EC | Active |
| DNS Electrical Contractors LLC | EC | Active |
| Do Electric, LLC | EC | Active |
| Dob Electric | EC | Renew by Nov 29, 2026 |
| Doble E Electric | EC | Active |
| Done Right Electrical | EC | Active |
| DRM Electrical Solutions, Inc | EC | Active |
| DS Electric LLC | EC | Active |
| E Diamond Electric Inc | EC | Renew by Nov 23, 2026 |
| E M Electrical Solutions | EC | Active |
| E&E Electrical Services LLC | EC | Active |
| E&I Electric LLC | EC | Active |
| E. Rangel Electric LLC | EC | Active |
| E.T.L.J. Electric | EC | Renew by Dec 11, 2026 |
| E3 Elecric LTD | EC | Active |
| Eagle Electrical Services | EC | Active |
| Eagle Power Electric LLC | EC | Active |
| East Point Electric | EC | Active |
| Ebony & Ivory Electrical Solutions | EC | Active |
| Eccs Solutions LLC | EC | Active |
| Eclipselectric Service LLC | EC | Active |
| Ecm Electrical Contractors LLC | EC | Active |
| Econolite Systems, Inc. | EC | Active |
| Economy Electric | EC | Active |
| Ecosolar United Limited Company | EC | Renew by Dec 8, 2026 |
| Eda Electrical Services | EC | Active |
| Edcu Electrical Contractors Inc | EC | Active |
| Eduard's Electrical LLC | EC | Active |
| Efficient Force Electric, LLC | EC | Active |
| Efx Industrial LLC | EC | Renew by Dec 14, 2026 |
| Ei Services LLC | EC | Active |
| Ej Electrical Services | EC | Active |
| Electric Maneuvers LLC | EC | Active |
| Electric Plus Services LLC | EC | Active |
| Electrical & Mechanical Solutions LLC | EC | Active |
| Electrical Data & Control Services | EC | Active |
| Electrical Mechanical Service, Inc | EC | Renew by Dec 19, 2026 |
| Electrical National Services LLC | EC | Active |
| Electrical Plumbing Pros | EC | Active |
| Electrical Service Today | EC | Renew by Nov 21, 2026 |
| Electrical Solutions | EC | Active |
| Electrical Works Of Houston Inc | EC | Active |
| Electricworks LLC | EC | Active |
| Elias Solar, Inc. | EC | Active |
| Eliram Electrical LLC | EC | Active |
| Elite Electrical Group | EC | Active |
| Elite Pumps & Mechanical Services, LLC | EC | Active |
| Eltc Electrical Contractor LLC | EC | Active |
| Ely Voltage LLC | EC | Active |
| Empower Electric | EC | Active |
| Empower Solar Inc | EC | Renew by Dec 28, 2026 |
| Enchanted Rock LLC | EC | Active |
| England Electric | EC | Renew by Dec 25, 2026 |
| Engleton Electric Co., LLC | EC | Active |
| Ensol Energy Solutions, Llc. | EC | Active |
| Enterprise Electrical | EC | Active |
| Ento Productions Inc DBA Bright Solar | EC | Renew by Nov 11, 2026 |
| Envoy Electric | EC | Active |
| Ep3 Electrical Solutions LLC | EC | Active |
| Ept Services LLC | EC | Active |
| Esp Enterprises Inc | EC | Active |
| Esp Services | EC | Active |
| Esparza Electric | EC | Active |
| Espinoza Electrical Contractor & Service | EC | Renew by Dec 9, 2026 |
| Essien Energy LLC | EC | Active |
| Estrella Electrical Investments LLC | EC | Active |
| Ev Electrical Services LLC | EC | Renew by Nov 8, 2026 |
| Everything Electrical Services | EC | Active |
| Evys Electric Inc | EC | Active |
| Excellent Electric | EC | Active |
| Expanse Electrical Company LLC | EC | Active |
| Express Electric | EC | Active |
| Express Electrical Services Inc | EC | Active |
| Extreme 1 Electric | EC | Active |
| Extreme Power Service | EC | Active |
| F & J Electric | EC | Active |
| F.B.E. Four Brothers Electric, LLC | EC | Active |
| F3l Electric LLC | EC | Active |
| Facilities Electric, Inc | EC | Active |
| Facility Solutions Group, Inc | EC | Active |
| Faraday Electric LLC | EC | Active |
| Fast Electrical Solutions | EC | Active |
| Fastrac Energy Services LLC | EC | Active |
| Ferdi Electric LLC | EC | Active |