| Business | Phone |
| Jim Hoffman & Assoc 237 Foothill Blvd, San Luis Obispo 93405 | (805) 541-1196 |
| O'Connor Construction Mgmt Inc 979 Osos St, San Luis Obispo 93401 | (805) 543-3773 |
| R W Hertel & Sons 6627 Bay Laurel Pl, San Luis Obispo 93405 | (805) 595-2488 |
| Vanir Construction Management 100 Cross St # 203, San Luis Obispo 93401 | (805) 541-1425 |
| Vanir Construction Management 1000 Mill St, San Luis Obispo 93401 | (805) 543-4920 |