| Business | Phone |
| A & O Electrical & Safety 3602 Burke Rd, Pasadena 77504 | (713) 944-3996 |
| All State Electric Svc 2253 Pasadena Blvd C, Pasadena 77502 | (713) 473-9201 |
| Auto Shop Hilarios Electric 1831 S Houston Rd, Pasadena 77502 | (713) 475-2475 |
| Emerald Standard Svc 520 Preston Ave, Pasadena 77503 | (713) 473-1000 |
| Grayson Electric Corp 2843 Westside Dr, Pasadena 77502 | (713) 941-2082 |
| L E Myers Co 4315 Allen Genoa Rd, Pasadena 77504 | (713) 941-0440 |
| Instrumentation & Electrical 2417 Randolph Rd, Pasadena 77503 | (281) 470-1063 |
| John Lena 1602 Firwood Dr, Pasadena 77502 | (713) 477-0962 |
| J Bryan Enterprises 2307 Camille St, Pasadena 77506 | (713) 477-9717 |
| Mr Electric 1702 Strawberry Rd # 206, Pasadena 77502 | (713) 477-1770 |
| Newkirk Electrical Svc 1720 Preston Ave A, Pasadena 77503 | (713) 477-1700 |