Reel Sound Productions Inc.
- Web audio, On hold message production and equipment.
- http://www.reelsoundproductions.com/

Audio Marketing Systems, Inc
- Supplying custom music and messages on-hold service and equipment for business.
- http://www.voicepaint.com/

Invotel
- Manufacturer of AudioImage brand of players and adapters. Provides product specifications and manuals in PDF format, and online sales.
- http://www.invotel.com/

Evolved Sound
- Telephone accessories and equipment for music and messages on hold.
- http://www.evolvedsound.com.au/

Premier Technologies
- Manufacturers and distributes digital announcement devices.
- http://premtech.com/

OHP
- Provider of customized on hold messaging and digital messaging equipment.
- http://www.onholdpro.com/

Belnap and Company
- Supplier of music on hold equipment, custom productions and in store advertising throughout the world.
- http://www.belnap.com/

Ad-On-Hold
- Business telephone music and message on hold.
- http://www.adonhold.com/

Nel-Tech Labs, Inc
- Manufacturing equipment for music on hold, message on hold and in store messaging.
- http://www.nel-techlabs.com/