- AKG
- Alesis
- Altman
- American Dj
- AMX
- Anchor Audio
- Ashly
- Atlas
- Audix
- Audio Technica
- Auralex
- Aviom
- Avlex
- BiAmp Systems
- BSS Audio
- Leprecon
- Cerwin Vega
- Chauvet Lighting
- Clear Com Communication Systems
- Clearsonic
- Community Loudspeakers
- Crown Audio
- Radial Engineering
- Da-Lite Screen Company
- DBX Inc.
- Denon Electronics
- Draper Inc.
- Eastern Acoustic Works
- Elation Lighting Inc.
- Electro-Voice
- Eminence Speaker Inc.
- Extron Electronics
- Ez-Dupe
- Face Audio
- Fender Musical Instruments
- FSR Inc.
- Panamax Furman
- Galaxy
- Gator Case Inc.
- Global Truss
- Groove Tube
- Grundorf Manufacturing
- Horizon
- Hosa Inc.
- H S A
- Juice Goose
- Kramer Electronics
- Lectrosonics
- Lexicon
- Lightronics
- Listen Technologies
- Littlite
- Lowell Manufacturing
- Media Complete Corporation
- Meyer Sound Labs
- Middle Atlantic Products
- Numark Electronics
- CAD Audio
- Omni Mount Systems
- Peerless Industries
- Presonus Audio
- Proco Sound
- QSC Audio
- Radio Design Labs
- Rane Corporation
- Raxxess (Mile Stone)
- Renkus-Heinz
- Rode Microphone
- Roland Corporation
- Rolls Corporation
- Samson Technologies
- Sanyo
- Sennheiser Electronic
- Shure Brothers
- SKB Corporation
- Sony
- SoundCraft
- SoundTube
- Special Projects Audio
- Speech Privacy Systems
- Stanton Magnetics
- Strand Lighting
- Symetrix
- TC Electronics
- Teac
- TOA Electronics
- Toshiba
- Ultimate Support Systems
- Whirlwind Music Distributing
- Williams Sound Corporation
- Yamaha Corporation