Physical Address (UPS and FED EX):

Gem Air Controls Inc.
3033 Production Court
Dayton, OH 45414

Invoicing and USPS:

Gem Air Controls Inc.
PO BOX 13300
Dayton, OH 45413

PHONE:      937-890-5922
FAX:           937-890-6874

Greater Dayton Area: 

Ben Black         
Ron Bertke        

Greater Columbus Area:

Bob Costell      

Greater Cincinnati East, West, Southeastern IN & NKY,

Michael France