| Business | Phone |
| Ceraban Design 21676 Wasatch Mountain Rd, Sonora 95370 | (209) 694-8986 |
| Cooper Kessel & Assoc 13951 Mono Way # A, Sonora 95370 | (209) 532-1123 |
| Dennis Hansen Architects 270 Barretta St # B, Sonora 95370 | (209) 533-8865 |
| Grover Architectural Group 171 N Washington St # B, Sonora 95370 | (209) 533-2264 |