| Business | Phone |
| Wayne G Schlosser Construction Po Box 1087, Danville 94526 | (925) 648-2400 |
| Bob's Backhoe Svc Po Box 22, Danville 94526 | (925) 820-4597 |
| Gsg Excavating Inc 1450 Lawrence Rd, Danville 94506 | (925) 736-9317 |
| Ken Soto Grading 722 Via Hermosa, Danville 94526 | (925) 837-9415 |
| L D Sherman Inc Po Box 2637, Danville 94526 | (925) 736-1215 |
| Up Grade Construction Inc 425 El Pintado Rd # 160, Danville 94526 | (925) 820-1186 |