| Business | Phone |
| Royal Trucking 1420 Royal Industrial Way, Concord 94520 | (925) 689-6441 |
| C M Excavating & Trucking Inc Po Box 21613, Concord 94521 | (925) 825-6490 |
| Dan's Trucking Svc 115 Avila Rd, Concord 94520 | (925) 681-3247 |
| Hunt Trucking 926 San Miguel Rd, Concord 94518 | (925) 680-8742 |
| Linares Transport 1070 Concord Ave # 165, Concord 94520 | (925) 691-4468 |
| Mermaid Truck Lines 1510 Darlene Dr, Concord 94520 | (925) 689-3729 |
| Moh Trucking 2539 Todd Ave, Concord 94520 | (925) 676-8674 |
| Nyk Logistic 1690 Sargent Rd, Concord 94518 | (925) 677-7320 |
| Pena Trucking 1251 Meadowlark Way, Concord 94521 | (925) 687-5004 |
| R B Trucking 917 Lee Ln, Concord 94518 | (925) 372-5309 |
| Rege Trucking 1470 Wharton Way # D, Concord 94521 | (925) 692-0009 |