| Business | Phone |
| Best Foreign Car Parts 313 E 4th St, Frederick 21701 | (301) 662-7700 |
| Mark Salvage & Schroyer's Inc 8005 Reichs Ford Rd, Frederick 21704 | (301) 607-1019 |
| Potomac Classic Pontiac 7311 Grove Rd # S, Frederick 21704 | (301) 668-0101 |
| Potomac German Auto 4305 Lime Kiln Rd, Frederick 21703 | (301) 831-1313 |