| Business | Phone |
| Coyote Construction 417 Clifton St, Oakland 94618 | (510) 658-9444 |
| Beliveau Engnring Cntrctrs Inc 5353 Claremont Ave # 2a, Oakland 94618 | (510) 595-1905 |
| Terra Firma Geotechnical Eng 110 Linden St, Oakland 94607 | (510) 652-3600 |
| Vintage Construction 2724 Macarthur Blvd, Oakland 94602 | (510) 531-0938 |