| Business | Phone |
| Delta Excavating Inc 22353 Marsh Creek Rd, Brentwood 94513 | (925) 634-9600 |
| A P Backhoe & Trucking 710 Iris Ct, Brentwood 94513 | (925) 240-1321 |
| Dan T Excavating 7570 Lone Tree Way, Brentwood 94513 | (925) 516-8183 |
| Genesis Backhoe Brentwood 94513 | (925) 513-3172 |
| Mark's Bobcat 1214 Royal Ann Ct, Brentwood 94513 | (925) 516-9021 |
| Minyard Excavating Brentwood 94513 | (925) 513-6620 |
| Todd Trost Bobcat & Dump Truck 8291 Lone Tree Way, Brentwood 94513 | (925) 634-8860 |