| Business | Phone |
| Anthony Ogbeide Assoc Inc 574 Blossom Way, Hayward 94541 | (510) 886-1242 |
| Graphic Network Planners 1129 Russell Way, Hayward 94541 | (510) 247-3150 |
| Hb Parkco Construction Inc Hayward 94545 | (510) 670-8700 |
| Gmi Construction Inc 22353 Main St, Hayward 94541 | (510) 537-2443 |
| Shimmick Construction Co Inc 24200 Clawiter Rd, Hayward 94545 | (510) 293-1100 |
| Zpm Assoc 25584 Clover Rd, Hayward 94542 | (510) 538-5874 |