| Business | Phone |
| Adm Electric Inc 400 Park Center Dr # 4, Hollister 95023 | (831) 636-3233 |
| Amber Electric 681 Las Palmas Dr, Hollister 95023 | (831) 636-0800 |
| American Electric 610 Santa Ana Rd, Hollister 95023 | (831) 637-3048 |
| American Electrical Svc 2300 Technology Pkwy # 5, Hollister 95023 | (831) 638-1737 |
| B & C Automation 1590 Lana Way # 1, Hollister 95023 | (831) 636-8874 |
| Bay Electric Co Hollister 95023 | (831) 637-0184 |
| Consumer Electric Inc Hollister 95023 | (831) 634-1639 |
| Cudahy Electric Hollister 95023 | (831) 630-5757 |
| Delgado Electric 145 Jonquil Ln, Hollister 95023 | (831) 630-9496 |
| Enterprise Electric Co 542 San Benito St, Hollister 95023 | (831) 637-3795 |
| G M Electric 400 Paul Dr, Hollister 95023 | (831) 636-5591 |
| Hollister Electrical Svc 1773 San Felipe Rd, Hollister 95023 | (831) 637-0562 |
| Select Electric Hollister 95023 | (831) 637-3050 |
| Zap Electric Hollister 95023 | (831) 634-0927 |