| Business | Phone |
| Aamco Transmissions 6425 Baltimore National Pike, Catonsville 21228 | (410) 869-1524 |
| Catonsville Transmission & Eng Catonsville 21228 | (410) 744-4857 |
| Catonsville Transmission Rpr 6159 Edmondson Ave # C, Catonsville 21228 | (410) 744-4822 |
| Lee Myles Transmissions 6013 Baltimore National Pike, Catonsville 21228 | (410) 747-5353 |