| Business | Phone |
| Midas Auto Svc Experts 2525 Monument Blvd, Concord 94520 | (925) 687-6062 |
| West Coast Muffler & Tire Inc 2090 Market St, Concord 94520 | (925) 676-8376 |
| A & S Mufflers & Brakes 1115 Landini Ln # D, Concord 94520 | (925) 685-7724 |
| All-Tech Automotive 2655 Monument Blvd, Concord 94520 | (925) 827-4007 |