- 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. - AAA Group, The
- Group of companies including Nick Whitaker Electroacoustics, Pegley-Darcy Architects, and Black Box, that specialises in acoustic architectural design. - Acentech Incorporated
- Acoustical consulting firm with over 40 years of experience. Services in architectural acoustics, noise and vibration control, audio/visual systems design and environmental acoustics. - Acoustic Dimensions
- Specialising in acoustical design and audio visual technologies. - Acoustic Sciences Corporation
- Designer, consultant, and manufacturer of acoustic products for critical listening spaces and noise control. - Acoustic Surveillance and Testing Ltd.
- Acoustic consultants providing a wide range of services including, acoustic design, PPG24 assessments, workplace noise assessments, sound testing, and building acoustics. - Acoustics By Design
- Independent consultants in acoustics and technical systems. Acoustics By Design serves architects, engineers, facility directors, municipalities, and building owners in the U.S. and Canada. - AcSoft
- Acoustic and vibration analysis. - Aercoustics Engineering Limited
- Consulting engineers for solutions in the fields of acoustics, vibration, and noise control. - Anthony Best Dynamics Ltd
- Noise vibration consultancy. - Anutone
- Manufactures acoustical panels. - Artec Consultants Inc
- providing theatre planning, theatre equipment, acoustics, and sound and communication systems consulting as well as feasibility and economic studies. - Arup Acoustics
- Global firm of acoustical engineers affiliated with Ove Arup & Partners. - Associates in Acoustics, Inc.
- A professional consulting firm specialising in industrial noise measurement, engineering control, and hearing conservation issues. - Auralex Acoustics
- Providers of acoustic foam, diffusion, and other treatment products as well as basic consulting for the recording, studio, music, and broadcast industry. - B-Quiet
- Offers a full line of sound deadening products. - Big Sky Acoustics
- Specialising in architectural acoustics, environmental noise control and reduction, sound isolation, and vibration analysis. - Bruel & Kjaer
- Provides transducers and complete systems for the measurement and analysis of sound and vibration in a wide range of applications. - Camets Services
- Comprehensive range of services in acoustics & vibration, general acoustic information, free advice, advanced instrumentation used, and some interesting links. - Cerami and Associates, Inc.
- Engineers and designers providing solutions in architectural, mechanical, and environmental acoustics, such as noise and vibration control and audio-visual design. - Charles M. Salter Associates
- Consultants in acoustics and audio/visual system design. - Coffeen Fricke & Associates, Inc.
- Offers acoustics and audio-visual communications consultancy services. - Commins Acoustics Workshop
- Consultants in acoustics for concert halls, opera houses, and theatres. - David L. Adams Associates, Inc.
- Acoustics consultation and design services. - Dynamic Control of North America, Inc
- Produces Dynamat acoustic damping materials, Dynaliner acoustic foams, Hoodliner, and the Wave Mod aperiodic membrane. - Enginnering Dynamics International
- Acoustical consulting firm based in St. Louis; offering services throughout the world. - euphonia
- Specialised in virtual acoustics. - Francis Manzella Design, Ltd.
- Provides acoustic consulting and studio design for critical listening environments including recording, broadcast, post-production, and performance venues. - Great Lakes Sound and Vibration
- Specialists in acoustics, shock, and vibration reduction. - H.G.C. Engineering
- Consulting engineering firm specialising in noise, vibration, and acoustics. We also do noise impact studies, research and development, and noise isolation. - Harris Miller Miller & Hanson Inc.
- Acoustical services for airports, highways, rail and transit systems. - IA & Acoustics Sdn Bhd
- Specialises in acoustical products and noice control engineering. - Industrial Acoustics Company
- Acoustic engineers supplying noise control systems. - International Cellulose Corporation
- Spray-on acoustic and thermal insulations provide architects and builders with an infinite range of options in controlling sound, energy and lighting on ceilings and walls. - ISVR Consultancy Services
- Specialising in noise, vibration, and acoustics. - Joiner Consulting Group
- Multi-disciplined acoustical, audio visual and communication consulting and design firm. - Kirkegaard & Associates
- Consultants for acoustics, mechanical systems, and audio video systems. Specialists in recital halls, performing arts centres, and music facilities. - Lee Sound Design, Inc.
 - Lewis S. Goodfriend & Associates
- Specialising in acoustics, environmental noise, audio and audio visual system design; experience as consultants to industry and government. - Lexicon Acoustic Reinforcement and Enhancement System
- LARES is electronic architecture which generates direct, reflected, and reverberant energy enabling a space to optimise acoustics for different performances. - MacroSonix Corporation
- Discovered Resonant Macrosonic Synthesis (RMS). Commercial applications include process control, process reactors, compressors, and more. - Marshall Day Acoustics
- An independent acoustic consulting firm based in New Zealand, Australia and Malaysia. - Martin Newson & Associates, LLC
- Offers acoustical consulting services including architectural and environmental acoustics and noise and vibration control. - Modeshape Technologies, Inc.
- Acoustical and vibration measurements group that provides data measurement and analysis services for industries that use large power generation systems. - Mooney, JW - Acoustic Consultant
- Architectural acoustic consulting. - National Council of Acoustical Consultants
- Professional organisation whose members consult on sound, noise, vibration, and hearing to architects, engineers, and attorneys. - 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. - Orpheus Acoustics
- Architectural acoustics consulting firm specialising in room acoustics design and noise control for performance spaces and houses of worship. - Ostergaard Acoustical Associates
- Consulting services in architectural acoustics, community noise, industrial noise control, and scientific counsel to attorneys in support of litigation. - Pettersson Elektronik AB
- Manufactures ultrasound detectors (bat detectors) and signal processing equipment for bioacoustic applications. - Physical Acoustics Corportion
- Specialise in the design, development, manufacturing and marketing of acoustic emission, ultrasonic, eddy current, and resistivity solutions worldwide. - QRDC, Inc.
- Engineering consultant specialises in noise reduction, acoustical control, vibration analysis, testing, product development solutions, and consulting services. - RAAMaudio
- Offers a line of sound deadening products for use in autos. - RMP Acoustics
- Acoustical consultants specialising in room acoustic design, building services noise, planning, research, and development of acoustic building products. - Rupert Taylor
- Noise and vibration consultancy. - Scala Consultants
- Provides consulting services for acoustic and noise and vibration-free design. - Scott R. Riedel & Associates, Ltd.
- Consultation, design, and technical services for acoustics, architecture, organs, and sound systems. - SH! Acoustics
- Providing acoustic engineering services for commercial and residential environments, includiing performing arts spaces, museums and exhibitions, Broadway theatres, high-end home theatres, and home concert spaces. - Shiner+Associates, Inc.
- Specialists in attaining optimum acoustical environments. - Sonic Architecture
- Creates interactive architectural installations for science centres, schools, museums, and other public sites. - Sonix, Inc.
- Specialising in nondestructive testing of materials using ultrasound. Also build A/D boards, motor controllers, pulser/receivers, and complete immmersion tank scanning systems. - Sound Seal
- A wide variety of cost effective, high performance noise control materials. - Sub Sea Sonics
- Manufacturers of acoustic and timed underwater releases for use in environmental surveys. - Svantek
- Develops and manufactures professional instruments for sound and vibration measurements. - Talaske Group, Inc.
- Acoustics consultants specialising in building design, mechanical and electrical system noise control, and audio/video system design. - Theer and Associates
- Specialising in acoustic consulting and design services. - Thorburn Associates
- Acoustical consulting and audiovisual system engineering. - Wieland Associates
- Provides acoustical consulting services. - Wyle Laboratories, Inc.
- An independent, testing, engineering & speciality mfg. company supporting quality conscious industries worldwide since 1949. - Zonic
- Builders of noise and vibration measurement systems and software.
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