| Business | Phone |
| Acf Components & Fasteners 31012 Huntwood Ave, Hayward 94544 | (510) 487-2100 |
| Bay City Screw & Bolt Co 3427 Enterprise Ave, Hayward 94545 | (510) 293-0101 |
| Endries International Inc 26010 Eden Landing Rd, Hayward 94545 | (510) 265-1184 |
| H W Eckhardt Corp 3401 Investment Blvd # 14, Hayward 94545 | (510) 782-9960 |