- A.T.S. Pro Audio Inc.
 - Acoustic consultants offer sound system design, installation, and research services to East Coast, Mid Atlantic, and Southeast United States churches, schools, and auditoriums. - Audio-One
- Offers recording studio, patch bays, MIDI consultation, and installation.
- CCI Solutions
- CCI provides products, expert advice, and installation services for live sound equipment, microphone and wireless systems, blank media, duplication, lighting, recording, video production, projectors, screens, and presentation equipment.
- Church Sound Network, The
- Specialist in church sound systems and acoustics, music, prayer, worship, and sanctuary designs.
- EK Sound and Equipment Sales Ltd.
- Offering audio sales, rentals and installation. Also offers recording studio space.
- Francis Manzella Design, Ltd.
- Provides acoustic consulting and studio design for critical listening environments including recording, broadcast, post-production, and performance venues.
- GSA NY, Inc.
- Custom installations, designs, and rentals for clubs, restaurants, and bars.
- Island Systems and Design
- Commercial and residential audio video systems.
- Kirkegaard & Associates
- Consultants for acoustics, mechanical systems, and audio video systems. Specialists in recital halls, performing arts centres, and music facilities.
- LVW Electronics, Inc.
- Design, sales, and installation of professional sound, audio visual, media presentation, fire alarm, security, and traffic monitoring systems.
- North American Theatrix
- Provides audio and video engineering, project management, and design for theatres, sport and gaming facilities, museums, corporate centres, places of worship, and educational institutions.
- R & D Industries Inc
- Professional sound, lighting, and video contractors, specialising in CAD design and eltro-acoustical analysis and installation.
- Sascom Marketing Group
- Specialises in the specification, installation, integration and support of equipment and specialised production systems for companies active in broadcast, mastering, restoration, music recording and audio post production for film and television.
- Thorburn Associates
- Acoustical consulting and audiovisual system engineering.
 TOA (UK)
- Supply and installation of integrated audio products.- Vaughan Sound Installations Ltd.
- Specialists in audio, lighting, security, and video projection systems.
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