| Castlewood Construction | 13835 Country Heights Drive | Penn Valley,CA 95946 | 432-2673 | ||
| Don Pryor Construction | 14470 Lake Wildwood Drive | Penn Valley,CA 95946 | 432-0970 | ||
| Frediani Construction | 18386 Piper Lane | Penn Valley,CA 95946 | 432-2863 | ||
| Koch Excavating | P.O. Box 909 | Penn Valley,CA 95946 | 432-4000 | ||
| Michael J. O'Sullivan | 20121 Plateau Court | Penn Valley,CA 95946 | 432-1933 | ||
| Todd Collins Construction | 20134 Echo Blue | Penn Valley,CA 95946 | 432-9618 | ||
| Tracken Construction | 13019 Piper Hill Drive | Penn Valley,CA 95946 | 432-3418 |