| Business | Phone |
| Compass Marketing Svc 2227 Dunn Rd, Hayward 94545 | (510) 784-9836 |
| Perfect Sol Corp Hayward 94544 | (510) 745-0200 |
| Trizon 26250 Industrial Blvd, Hayward 94545 | (510) 783-6900 |
| Transpac-Uscec 22290 Foothill Blvd # 2, Hayward 94541 | (510) 581-6868 |