| Business | Phone |
| A W Tool Development Co 2610 9th St, Berkeley 94710 | (510) 843-1273 |
| Arms Pumps 2221 4th St, Berkeley 94710 | (510) 843-2767 |
| Bob's Machining Co 2735 San Pablo Ave, Berkeley 94702 | (510) 486-0136 |
| Caral Manufacturer 578 Cleveland Ave, Berkeley 94710 | (510) 524-7755 |
| Eppco 1618 6th St, Berkeley 94710 | (510) 525-9426 |
| Howlett Machine Works 746 Folger Ave, Berkeley 94710 | (510) 845-2759 |
| Pedco 1320 9th St, Berkeley 94710 | (510) 525-6389 |
| Tito's Machine Shop 2321 San Pablo Ave, Berkeley 94702 | (510) 849-1433 |