| Business | Phone |
| Celedonia Organ Svc 1365 Center Ave, Pittsburgh 15229 | (412) 734-1244 |
| Dennis Cessar Electronic Svc 208 Monroe Dr, Pittsburgh 15229 | (412) 366-1793 |
| H J Ebert Pipe Organs 852 W North Ave, Pittsburgh 15233 | (412) 231-1001 |
| Kuczinski Organ Svc Center 421 Mapleview Dr # 2b, Pittsburgh 15220 | (412) 343-1990 |
| Luley & Assoc Inc 1355 Cordova Rd, Pittsburgh 15206 | (412) 781-1655 |
| Organcraft 3502 Valley Dr, Pittsburgh 15234 | (412) 881-9165 |
| Siedle Organ Co 1621 Mcmillan Rd, Pittsburgh 15241 | (412) 221-5484 |