| Business | Phone |
| Robert Mc Kie Po Box 2346, Pleasant Hill 94523 | (925) 472-0344 |
| Nanco Architectural Svc 100 Longbrook Way # 19, Pleasant Hill 94523 | (925) 686-2292 |
| Cera Architecture Group Usa 80 Isabella Ln, Pleasant Hill 94523 | (925) 933-7960 |
| Facilities Design Group 2 Hardwood Ct, Pleasant Hill 94523 | (925) 685-8801 |
| Forster & Assoc Architects 101 Gregory Ln # 45, Pleasant Hill 94523 | (925) 677-2160 |
| Tom Halasznski 20 Isabella Ln, Pleasant Hill 94523 | (925) 979-1142 |
| AE DESIGN 733 Grayson Rd., Pleasant Hill 94523 | (925) 930-9241 |