| Business | Phone |
| B & B Grading & Paving 2490 Vista Del Monte, Concord 94520 | (925) 825-1743 |
| Bruce Carone Grading & Paving 5009 Forni Dr # A, Concord 94520 | (925) 691-2030 |
| Mck Svc 1949 Arnold Industrial Way, Concord 94520 | (925) 692-2115 |
| Apco 3011 Euclid Ave, Concord 94519 | (925) 827-9850 |
| Arco Paving 3632 Concord Blvd, Concord 94519 | (925) 686-5627 |
| Asphalt Paving Solutions 125 Avila Rd, Concord 94520 | (925) 609-9918 |
| Bay Cities Paving & Gradng Inc 5029 Forni Dr, Concord 94520 | (925) 687-6666 |
| Bruce Carone Grading & Paving 2449 Bates Ave, Concord 94520 | (925) 691-2030 |
| G Lucas Paving Inc 110 Medburn St, Concord 94520 | (925) 284-7550 |
| Golden Stone Pavers Po Box 21405, Concord 94521 | (925) 825-7452 |
| H & R Paving Stones Concord 94520 | (925) 682-1736 |
| Jim Todorovitch Paving Concord 94520 | (925) 685-4220 |