- A David Luta Organ Co
- A-1 Guaranteed Organ Svc
- AAA Skip's Organ Repair
- Alabama City Oden Piano Co
- All American Organ Svc
- Andrews Electronic & Pipe Svc
- Arizona Organ & Keyboard Rpr
- Austin Pipe Organ Svc Co
- Baker Organ Svc
- Bob Franklin Organ Svc
- Boston B-3 Svc
- Boston B-3 Svc
- Camp's Organ Svc
- Cardoza Electronics
- Chuck Rogers Piano & Organ Svc
- Chuck Rogers Piano & Organ Svc
- Colorado Organ Svc
- Colorado Organ Svc
- Dale Schweitzer Pipe Organ
- Dale Schweitzer Pipe Organ
- Dan Bozick's Keyboard Elect
- Dave Bristol Organ Svc
- Dave Bristol Organ Svc
- Dewsbury Instruments Inc
- Digital Sound Svc
- Diversified Audio
- Donald L Kohles Pipe Organs
- Dove Electronics Certified
- Eden's Technical Svc
- Electric Organ Repair
- Electronic Instrument Svc
- Electronic Organ Repair
- Evans Electronics Co
- Ferm's Organ Repair Svc
- Fish Organs-Authorized Hammon
- Foley-Baker Inc
- Foley-Baker Inc
- Glen's Expert Organ Svc & Sale
- Hammond Organ & Keyboard Svc
- Hammondworks
- Harry Kirchhoff Organ Doctor
- Hupalo & Repasky Pipe Organs
- J H & Cs O'Dell
- Jarvis Organ Svc
- Jarvis Organ Svc
- Jarvis Organ Svc
- Jarvis Organ Svc Co
- Jarvis Organ Svc Co
- Jarvis Organ Svc Co
- Kbi Services
- Kelly Keys Organ Repair
- Ken Hitchens Organ Svc
- Kieran Organ Co
- Kieran Organ Co
- L W Blackinton & Assoc In
- Lee Geer Organ Svc
- Lee Geer Organ Svc
- M J O'Sullivan & Co
- Morel & Assoc-Pipe Organs
- Music Electronic Inc
- Newton Pipe Organ Svc Inc
- Norman Lane Pipe Organs
- Opar Music
- Organ Exchange Svc
- Oz Music
- Oz Music
- Pipe Organ Assoc
- Reed Organ Man
- Ricketts Organ Svc
- Schoenstein & Co Pipe Organs
- Sound Advice Inc
- Superior Organ Svc
- Ted D Bair Organ Repair
- Thomas Graham
- Timothy Newlin Organ Audio Tec
- Verlyn Gaines Electronics
- W N Shoberg & Co Pipe Organ
