| Business | Phone |
| Guglielmelli Brothers Inc 288 Ferne Ave, Palo Alto 94306 | (650) 493-7416 |
| Palo Alto Tractor Contractor's Lic. # 780543 Palo Alto 94306 | (650) 464-3055 |
| Tim Hilleary Construction 543 Kendall Ave, Palo Alto 94306 | (650) 851-8219 |
| Palo Alto Tractor 3366 Ramona Street, Palo Alto 94306 | (650) 464-3055 |