United States
Broadcast Supply Worldwide (BSW) 800-426-8434
Broadcasters General Store (BGS) 352-622-7700
Digital Radio Engineering Inc. 866-386-4001
Giesler Broadcasting Supply (GBS) 281-957-9362
Heartland Video Systems, Inc. 920-893-4204
RF Specialties Multiple Offices
SCMS Inc. 800-438-6040
Canada
Pippin Technical Service Ltd. 888-508-4677
South Korea
Jinmyung Communications Co. Ltd. 82-31-706-0150