| Business | Phone |
| Cecil H Wells Jr & Assoc 2031 Pioneer Ct # 12, San Mateo 94403 | (650) 345-3554 |
| Dominic Chu Consulting Strctrl 3724 S El Camino Real, San Mateo 94403 | (650) 578-9899 |
| General Design 317 E 39th Ave, San Mateo 94403 | (650) 578-9168 |
| Jakon Inc 1777 Borel Pl, San Mateo 94402 | (650) 344-0150 |
| Shn Engineering Co 2036 Lexington Ave, San Mateo 94402 | (650) 349-8727 |