| 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. |
| All Church Sound: Church acoustics and sound system consulting. |
| Audiohead Limited: Broadcast and pro-audio installation and design services. |
| 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. |
| BGW: Design, manufactures, market and distributes power amplifiers for professional, racks and rack mount for audio and computer, and subwoofer systems. USA. |
| Buzz Audio: Installation of sound systems and recording studios. Acoustic design. Electronics repair and custom manufacture. New Zealand. |
| Celestial Sound Design: Sound system installation for houses of worship and theater. Based in Hickory, North Carolina. |
| Central Valley Electronics: Licensed sound system contractor located in Turlock, California. Sales, installation and repair of sound systems for churches, schools, and boardrooms. |
| ChurchPA.co.uk: Design and installation of sound systems for churches. Christian company based in the Midlands, UK. |
| ElecSound's Home Page: Commercial sound system design and installation, specializing in exhibit booth sound systems. Commercial sound systems for retail, school, and auditoriums. |
| FirstLine Electronics: Installation, service and repair of audio systems, and electronic organs. Based in North East England. |
| Jim Hall Acoustics Research: Sound system engineering, consulting, design, testing, tuning and calibration services. Greenbrier, Tennessee. |
| Kernow Installations: Sound system installation, sales, service and hire. Based in based in Falmouth, Cornwall, UK. |
| 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. |
| LVW Services: Design and installation of professional sound, audio-visual, security, fire alarm, traffic monitoring and data cabling systems. |
| Online Technologies, Inc.: Providing audio/video solutions since 1985. |
| 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. |
| Studio Connections: Sydney Australia based organization specializing in the design, installation and servicing of sound recording studios. |
| TLP Sound: Audio consultants specializing in sound system design, installations, computerized tuning, and upgrades. Free tips for church sound techs. Garland, TX. |
| Western Slope Pro Audio, Inc: Professional audio, video, and control system dealer serving the Rocky Mountain West. System design, installation and project management. |
| ZBD Systems: Design and installation of audio systems for recording studios. Located in Melbourne, Australia. |