Mc Squared System Design Group, Inc.
Consulting firm providing sound system design, audio/video presentation system design and acoustical design services .
http://www.mcsquared.com/

Theer & Associates
Acoustic consultants specializing in architectural acoustics with an emphasis on electro-acoustics. The firm was established to provide consulting services to architects, owners, and contractors.
http://theer.com/

Sandy Brown Associates
Consultants in acoustics, noise and vibration, audio-visual systems, theatre and conference venues, and specialist architecture.
http://www.sandybrown.com/

David L. Adams Associates, Inc.
Architectural, multi-media and environmental acoustical consultants provide projects, profile, contacts and fu facts. Offices in Denver and Kailua, Hawaii.
http://www.dlaa.com/

A.D.S.Ltd
Acoustic, noise and vibration consultants.
http://www.acousticdesignservices.co.uk/

White Mark Ltd.
Acoustic and technical designers of pre and post production studios for the audio, video and broadcast industries.
http://www.whitemark.com/

Engineering Dynamics International
Missouri consultants in architectural acoustics, noise, HVAC vibration control, sound testing, audio and video systems, and performance lighting. Specializing in churches, schools, offices, theaters and auditoriums.
http://www.edi-stl.com/

Robert A. Hansen Associates
Consultants in acoustics and audio video systems design. Based in New York, New York.
http://www.hansenacoustics.com/

Marshall Day Acoustics
Acoustics and noise engineering consulting firm that provides acoustical, environmental noise, and noise control design services, including concert hall and auditorium design, environmental noise assessments, and building services and industrial noise control.
http://www.marshallday.com/

Renzo Tonin & Associates Pty Ltd
Specialising in building acoustics, environmental acoustics, workplace acoustics and legal services.
http://www.rtagroup.com.au/

Avl Designs Inc.
Design firm specializing in acoustics, sound system design, theatrical lighting and rigging, and industrial noise control.
http://www.avldesign.com/

HGC Engineering
Consultants specializing in noise control, vibration isolation, acoustics. Deals with architectural acoustics and new product design.
http://www.hgcengineering.com/

Orpheus Acoustics
Acoustical consultants specializing in architectural acoustics including noise and vibration control for auditoriums, churches, synagogues, and other critical listening spaces.
http://www.orpheus-acoustics.com/

Martin Newson & Associates
Acoustical consulting services including architectural acoustics, building services, noise and vibration control, environmental acoustics and troubleshooting.
http://www.newsonacoustics.com/

Acoustic Dimensions
Design consultants for audio, video, broadcast, acoustics, lighting, space planning, sports, theatre and production control.
http://www.acousticdimensions.com/

Artec Consultants
New York based company providing interdisciplinary consulting services for buildings housing the performing arts.
http://www.artec-usa.com/

Recording Architecture
Offers services related to architectural, acoustic and interior design of buildings and spaces specifically related to sound .
http://www.aaa-design.com/

Peter Lloyd and Associates
Northern Ireland based consultants in noise control, vibration and acoustics.
http://www.lloydsound.co.uk/

Acentech
Consultants in architectural acoustics, noise and vibration control, and audiovisual and sound system design.
http://www.acentech.com/

Coffeen Fricke and Associates, Inc.
Acoustical consulting services provide sound reinforcement design, noise analysis, and architectural acoustics.
http://www.cfaconsulting.com

Cerami & Associates
Experienced in the full range of acoustical engineering, audio-visual design services, vibration control, and seismic design.
http://www.ceramiassociates.com/

Acoustic Associates, Ltd.
A consulting firm in Palatine, Illinois specializing in audiometric testing, room acoustics, sound assessment, noise control, hearing conservation, and audiology.
http://www.acousticassociates.com

Ostergaard Acoustical Associates
Acoustical services for architecture, environment, litigation, noise control, and vibration control.
http://www.acousticalconsultant.com/

Stewart Acoustical Consultants
Provides architectural and building acoustical consulting services primarily in North Carolina and adjacent states.
http://www.stewartacousticalconsultants.com/

Pollution Control Consultancy and Design
Australian based acoustical consulting firm that provides a range of services in environmental and occupational noise measurement, assessment and control.
http://www.pccd.com.au/

Landmark Sound Labs
Offer professional and consumer electro-acoustic engineering services for laboratory and field acoustic testing, audio product research and development, acoustic design and testing of audio spaces.
http://www.landmarksoundlabs.com

Commins Acoustics
Acousticians of concert halls, opera houses and theaters.
http://www.comminsacoustics.com

ACIA Engineering Acoustics
UK consultants providing design and measurement services in industrial noise, building design, and planning.
http://www.acia-acoustics.co.uk

Acoustical Design Group, Inc
Consultants in acoustics, sound and video system design, provides services emphasizing practical, aesthetic, and innovative solutions.
http://www.adgkc.com

Hepworth Acoustics
UK firm providing consultancy services to industries where acoustics and noise is an issue. Includes list of service, acoustical software, profile and contacts
http://www.hepworth-acoustics.co.uk/

Polysonics Corporation
Virginia and D.C. firm providing consulting services for acoustics, vibration, audio-visual systems, and telecommunications. Includes projects, resource library, profile and contacts.
http://www.polysonics-corp.com/

Viacoustics
A consortium of four companies that provide consulting services and products. Includes profile, professional services, products and contacts.
http://www.viacoustics.com/

RMP Acoustics
UK firm specialising in acoustic design, building services noise, sound insulation, planning and research and development of acoustic building products.
http://www.rmp.org.uk/

ATCO Noise Management
Canadian acoustics consultants and engineering company providing services for industrial noise reduction, noise management assemblies, acoustic enclosures and a range of silencing products. Includes services, projects, and contacts.
http://www.atconoise.com/

Wilson, Ihrig & Associates, Inc.
California firm offering professional services associated with acoustics, noise and vibration control in the construction industry, as well as forensics. Includes projects, profile, services and contacts
http://www.wiai.com/

Walters-Storyk Design Group
International architectural and acoustic design firm specializing in professional audio and video production, multimedia, broadcast and performance facilities. Includes profile, portfolio, services, news, resources and contacts.
http://www.wsdg.com/

The Talaske Group, inc
Consultants in Acoustics, Audio, and Video Design
http://www.talaske.com

Marshall Long Acoustics
Providing architectural acoustics and audio visual design services for theaters, auditoria, concert halls, sound studios, religious structures, and general construction. Capabilities include noise and vibration control, computer modelling, and other technical areas related to acoustics.
http://www.mlacoustics.com

Navcon Engineering Network
Provides noise and vibration consulting services, and distributes noise and vibration software.
http://www.navcon.com

Studio Electronics
California firm focused on design and installation of audio recording studios, including repairs. Includes project descriptions, profile and contact information.
http://studioelectronics.biz

Euronoisecontrol - G.E.I.E.
European consortium of noise control product vendors and consultants addressing industrial and environmental acoustics. Includes brief description and links to member firms.
http://www.euronoisecontrol.com

Acoustilog, Inc
New York firm providing acoustical measurement, consultations, expert witness testimony, soundproofing design and troubleshooting services.
http://www.acoustilog.com

Jordan Akustik
Denmark firm provides portfolio, contacts and profile. Working worldwide with room acoustics in concert Halls, operas and theatres.
http://www.jordanakustik.dk/

Harris Grant Associates
International acoustic and technical systems designers. UK based, designers of recording studios, cinemas, theatres, public buildings, home theatres.
http://www.harrisgrant.com

Cross-Spectrum.com
Massachusetts firm offering sound and vibration measurement and consulting services for environmental, municipal, engineering and architectural applications.
http://www.cross-spectrum.com

Acoustic Emission Testing, Inc.
Provides onsite acoustic emissions testing and inspection.
http://aeiinconline.com

Aircraft Noise Management Consultant
Montreal consultant providing noise management service for the airports and aviation sector. Includes services descriptions and contact information.
http://www.jsgb.com/

VIVA Consulting
Specializes in acoustic studies, testing emissions and environmental vibration caused by transport modes and industries(Italy).
http://www.vivaconsulting.it

Allied Acoustics
Group within Allied Environmental Consultants Ltd (Hong Kong) offering consultancy services in acoustics, noise, vibration and audio visual design.
http://www.aechk.com

Kamperman Associates Inc.
Wisconsin Dells, Wisconsin. Acoustical consulting services in the area of noise and vibration control - serving Business, Industry, and Governments. Building noise and vibration control, environmental/industrial noise control.
http://www.kamperman.com

Sextant Group
Offering architectural acoustic services, security surveillance systems and audio visual consulting (AV).
http://www.thesextantgroup.com/

Sound Acoustic Management
Noise Consultancy based in Northern Ireland providing assessment and Noise Control.
http://www.noise1.co.uk

Mei Wu Acoustics
California firm working in acoustics, noise, and vibration.
http://www.mei-wu.com

Acoustics, Audio/Visual & Telecom Consultants
A firm with a staff of over 40 based in San Francisco that provides consulting in: architectural acoustics, audio/visual and telecom design, engineering acoustics, environmental acoustics, forensic acoustics, expert testimony and airport noise reduction.
http://www.cmsalter.com

Medlin and Associates Acoustical Consultants
Provide innovative acoustical designs, measurements and building treatment recommendations
http://la.znet.com/~kmedlin

Sonic Element
Specializing in the acoustic design of recording studios, auditoriums and buildings for performing arts.
http://www.sonicelement.co.uk/

Kinetics Noise Control - Acoustical Consultants
Acoustical Consultants Directory for the United States and other countries. Provides phone and email for various consultants.
http://www.kineticsnoise.com/acousticalconsultants.asp

Acoustics room and noise control
We are manufacturer for anechoic chamber and other acoustics room also in the noise control application.
http://www.am-acoustics.com/

ASK Consulting Engineers
Environmental and Acoustical Consultants, ASK specialise in architectural, road, rail and industrial noise, air quality and vibration studies using advanced computer modelling techniques.
http://www.askce.com

Acoustic Design Technology -
Independent Acoustic Consultancy practice specialising in all aspects of environmental and building acoustics.
http://www.acousticdesign.co.uk

zplane.development
Digital audio signal processing reaching from consulting and algorithm design to hard- and software development.
http://www.zplane-development.de

Ingemansson
Swedish firm addressing architectural, environmental, industrial and automotive acoustic design solutions. Includes descriptions, portfolio, publications and contacts.
http://www.ingemansson.com/

XL Acoustics
UK based acoustic design, consultation and building service specialising in recording studios and the associated industries.
http://www.xlacoustics.com/

Monitor Acoustics
Performing specification, design, manufacture and installation of attenuators/silencers for ductwork, acoustic enclosures for machinery and acoustics.
http://www.monitoracoustics.co.uk

Acousthetics, Inc
Technical consultants for architectural acoustics design and theater engineering.
http://www.acousthetics.com/