| Business | Phone |
| J-L Construction Co 14662 Valley Ave, Clearlake 95422 | (707) 994-2502 |
| Allen Gentry General Contr 15125 Lakeview Ave, Clearlake 95422 | (707) 994-6119 |
| American Quality Construction 5775 Stonybrook Dr, Clearlake 95422 | (707) 994-1818 |
| B & B Construction & Landscpg Clearlake 95422 | (707) 995-2370 |
| S J Schwartz Construction 3793 Cedar Ave, Clearlake 95422 | (707) 995-1956 |
| Housing Construction 15325 Mason St # 1, Clearlake 95422 | (707) 994-3213 |
| Mike Browne Builders Clearlake 95422 | (707) 995-2241 |
| Qsl Construction 15055 Highlands Harbor Dr, Clearlake 95422 | (707) 995-1744 |
| Tepg Project Engineering Group Clearlake 95422 | (707) 995-0278 |
| Zumalt Construction 10909 Lakeshore Dr, Clearlake 95422 | (707) 994-0111 |