| Business | Phone |
| Amick's Transmission Svc 1039 Bedford St, Cumberland 21502 | (301) 722-8133 |
| Jim's Transmission Svc 430 Industrial Blvd E, Cumberland 21502 | (301) 759-2940 |
| L & T Transmission Svc Inc 11716 Morningside Dr Ne, Cumberland 21502 | (301) 724-4620 |
| Leonards Transmission Exhaust 12408 Fort Cumberland Dr Se, Cumberland 21502 | (301) 777-7774 |