| Business | Phone |
| American Precision Manufacturer Inc 5800 Las Positas Rd, Livermore 94551 | (925) 606-0324 |
| California Metal Craft 2111 Research Dr # 6, Livermore 94550 | (925) 449-3503 |
| Kincco Sheet Metal 6330 Preston Ave, Livermore 94551 | (925) 371-5601 |
| Ron Nunes Enterprises 6226 Industrial Way # A, Livermore 94551 | (925) 371-0220 |
| Tedco 6736 Preston Ave # A, Livermore 94551 | (925) 373-1001 |