Celestial Sound Design
- Sound system installation for houses of worship and theater. Based in Hickory, North Carolina.
- http://webpages.charter.net/celestialsd/

BGW
- Design, manufactures, market and distributes power amplifiers for professional, racks and rack mount for audio and computer, and subwoofer systems. USA.
- http://www.bgw.com/

Advanced Studio Projects Ltd.
- Studio design build and project management, pro audio equipment supply and installation, custom built woodwork and furniture, and in-house wiring looms manufactured to spec. Online sales of equipment and woodwork.
- http://www.asp-shop.com/

Jim Hall Acoustics Research
- Sound system engineering, consulting, design, testing, tuning and calibration services. Greenbrier, Tennessee.
- http://mywebpages.comcast.net/jimhallar/jhar/index.htm

Auralex Acoustics, Inc.
- Turnkey acoustical treatment system incorporating both sound control and esthetics to enhance the design of home theaters, conference rooms, listening rooms, music rooms, and sound production facilities.
- http://www.auralexelite.com/

Studio Connections
- Sydney Australia based organization specializing in the design, installation and servicing of sound recording studios.
- http://members.optushome.com.au/studioconnect/

Audiohead Limited
- Broadcast and pro-audio installation and design services.
- http://www.audiohead.ie/

ChurchPA.co.uk
- Design and installation of sound systems for churches. Christian company based in the Midlands, UK.
- http://www.churchpa.co.uk/

Western Slope Pro Audio, Inc
- Professional audio, video, and control system dealer serving the Rocky Mountain West. System design, installation and project management.
- http://www.wspa-inc.com/

All Church Sound
- Church acoustics and sound system consulting.
- http://www.allchurchsound.com/

FirstLine Electronics
- Installation, service and repair of audio systems, and electronic organs. Based in North East England.
- http://www.firstline-electronics.co.uk/

Kernow Installations
- Sound system installation, sales, service and hire. Based in based in Falmouth, Cornwall, UK.
- http://www.publicaddress.co.uk

Online Technologies, Inc.
- Providing audio/video solutions since 1985.
- http://www.onltech.com

Sanctuary Sound
- Consulting, design, and sales of sound and recording equipment. Digital mixing, wireless mics, and church and ministry systems. Dealer of Yamaha pro audio products.
- http://sanctuarysound.com/

TLP Sound
- Audio consultants specializing in sound system design, installations, computerized tuning, and upgrades. Free tips for church sound techs. Garland, TX.
- http://tlpsound.com/

Buzz Audio
- Installation of sound systems and recording studios. Acoustic design. Electronics repair and custom manufacture. New Zealand.
- http://www.buzzaudio.co.nz/

Larking Audio Ltd.
- UK distributors of Soundtracs Studio Consoles and suppliers of professional recording equipment specialising in the supply and installation of complete recording systems in the UK and abroad.
- http://www.larking.com/

ZBD Systems
- Design and installation of audio systems for recording studios. Located in Melbourne, Australia.
- http://www.axs.com.au/~zeno/

ElecSound's Home Page
- Commercial sound system design and installation, specializing in exhibit booth sound systems. Commercial sound systems for retail, school, and auditoriums.
- http://www.elecsound.com

Central Valley Electronics
- Licensed sound system contractor located in Turlock, California. Sales, installation and repair of sound systems for churches, schools, and boardrooms.
- http://www.cvelectronics.com

LVW Services
- Design and installation of professional sound, audio-visual, security, fire alarm, traffic monitoring and data cabling systems.
- http://www.lvw.com/services.htm