Stonewood Audio
- UK manufacturer of audio/intercom products for professional, offshore and industrial use.
- http://www.stonewood.co.uk/

DELEC Audio- und Videotechnik GmbH
- German manufacturer of broadcast intercom systems, with LCD display keys.
- http://www.delec.de

Kaison Studiotechnik
- German manufacturer of robust and cost-effective broadcast intercom systems.
- http://www.kaison.de

CTP Systems Limited
- UK Manufacturers of broadcast television talkback systems, programme Sound and custom audio equipment.
- http://www.ctpsystems.co.uk

CP Communications Inc.
- US Rental, Sales, & Service of Communications, Audio and RF equipment to the Entertainment, Broadcast, Theatre, Film, and Special Event Industry
- http://www.cpcomms.com

Audionics Professional Broadcast Equipment
- Audionics designs and manufactures analogue and digital audio equipment for the professional broadcast industry.
- http://www.audionics.co.uk

Telex Communications
- Intercom systems for professional sound and entertainment including Audiocom, headsets/headphones, Radiocom, and RTS.
- http://www.rts-direct.com/

RG Sound & Communications
- Sound reinforcement, lighting systems, portable stages/roofs, paging systems and two-way radio for concerts, conventions, sports events, motor sport events, fairs, festivals and business meetings.
- http://www.rgsound.com/

Tour Guide Solutions
- Sales of Sennheiser wireless transmitter and receiver systems for company tours and language translation needs.
- http://www.tourguidesolutions.com/

Riedel
- German manufacturer and rental supplier of 2-way radio, party-line intercom, matrix intercom, digital audio, and digital audio network equipment.
- http://www.riedel.net

ASL Intercom
- Dutch manufacturer of intercom, Q-lights, and ancillary audio equipment.
- http://www.asl-inter.com

Professional Wireless Systems (PWS)
- Sales, service, support and rentals of professional wireless audio equipment. Frequency coordination services, on-site repairs and wireless audio consultation services.
- http://www.professionalwireless.com

FACE Broadcast Productions
- A full-service broadcast video production facility. Los Angeles area.
- http://www.facebroadcast.com

Rent Com, Inc.
- Rentals of walkie talkies, telephones, wireless transmission equipment, teleconferencing, and intercom systems. Schiller Park, IL.
- http://www.rentcom.com/catalog/Rental_Index.html

Technical Projects, Inc.
- Manufacturer of production intercom products with worldwide distribution.
- http://www.beltpack.com/