| Business | Phone |
| Caldera Y Castillo Enterprises 1290 Monument Blvd # D, Concord 94520 | (925) 825-1208 |
| Diran's Home Repair 1015 Shary Cir # 12, Concord 94518 | (925) 685-3270 |
| Shred-It 5159 Commercial Cir # A, Concord 94520 | (925) 363-7301 |
| Alh Action Legal Help Concord 94520 | (925) 685-4000 |
| Better Business Systems Inc 1355 Willow Way, Concord 94520 | (925) 827-0680 |
| Chisel-It Ice 2465 Vista Del Monte # J, Concord 94520 | (925) 787-3558 |
| Cma Business Credit Svc 3459 Torino Ct, Concord 94518 | (925) 674-9637 |
| D J's Business 3619 Hammond Pl, Concord 94519 | (925) 686-0748 |
| Hitachi Data Systems 1320 Willow Pass Rd, Concord 94520 | (925) 246-7800 |
| Joanne C Mc Carthy Probate 2204 Concord Blvd, Concord 94520 | (925) 689-9244 |
| Lui Business Svc 3135 Clayton Rd, Concord 94519 | (925) 356-0555 |
| Barter Bucks Banc 5100 Clayton Rd # 105, Concord 94521 | (925) 672-9598 |