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

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

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

» Acoustic Dimensions
   Provides a coordinated approach that includes room shaping, acoustics, audio, video and lighting design.
   http://www.acousticdimensions.com/

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

» Acoustic Expertise
   Illinois firm offering acoustic design, noise control, audio system integration services and performing arts facilities. Includes services, profile and client list and contacts.
   http://www.acousticexpertise.com/

» Acoustical Design Group, Inc
   Consultants in acoustics, sound and video system design, provides services emphasizing practical, aesthetic, and innovative solutions.
   http://www.adgkc.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 & telecom design, engineering acoustics, environmental acoustics, forensic acoustics, expert testimony and airport noise reduction
   http://www.cmsalter.com

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

» Addiscombe Acoustics Limited
   UK firm specialising in environmental, transportation, construction, petrochemical, offshore, expert witness and occupational exposure assessment. Includes service and markets served and contacts.
   http://www.addiscombeacoustics.ltd.uk/

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

» 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

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

» Avl Designs Consultants For Acoustical, Sound, Lighting, Stage Rigging And Video
   Design firm specializing in acoustics, sound system design, theatrical lighting and rigging, and industrial noise control.
   http://www.avldesign.com/

» Cedrick Frank Associates
   Texas company offering design solutions for acoustics, sound, and audio-visual-video systems. Includes service, projects, profile and contacts.
   http://www.cfa-inc.net/

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

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

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

» 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/

» Encore Design Group
   Providing consulting and design services in acoustics, sound systems, lighting systems, and rigging systems for performance and assembly facilities including theatres, concert halls, churches, museums and art centers.
   http://www.encorestage.com/encoredesign

» 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/

» 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

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

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

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

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

» 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

» 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/acoust.html

» Kirkegaard & Associates
   Consultants in architectural acoustics, audio/video systems and mechanical noise isolation. Specializing in performing arts spaces, concert halls, churches and universities.
   http://www.kirkegaard.com/

» 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

» Lester Acoustics Group
   Minnesota company offering studio design, sound isolation solutions, and renovation of existing studios. Includes profile, services, portfolio and contacts.
   http://www.lesteracoustics.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 con
   http://www.marshallday.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 tech
   http://www.mlacoustics.com

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

» 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/

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

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

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

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

» Pelton Marsh Kinsella
   Dallas based consultants in acoustics, theatre, television and audio/visual design.
   http://www.pmkconsultants.com/

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

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

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

» RSA Acoustics
   Australian firm offering design of noise reduction equipment, noise impact assessments and certifications of compliance. Includes profile, services, portfolio, client list and contacts.
   http://www.rsaacoustics.com.au/

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

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

» Richard Oliver Productions and Design
   Worldwide acoustical recording studio design and construction. Installation, acoustics and wiring specialists. Audio/video consulting and engineering.
   http://www.ropd.net

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

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

» Sextant Group, The
   Offer architectural acoustic services, security surveillance systems & audio visual consulting (AV). Located in Pittsburgh, PA, Washington DC & Phoenix, AZ
   http://www.thesextantgroup.com

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

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

» Sound Scene Acoustics
   Design and consulting, architectural acoustics, noise control, and audio-visual systems, in the USA and Southeast Asia. Clients range from churches to rock opera houses.
   http://home1.gte.net/mjarzo/index.htm

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

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

» The Top In Sound, Inc.
   Providing consulting and design services in acoustics, sound systems and audio-visual-video systems for performance and assembly facilities including theatres, concert halls, churches, schools and art centers.
   http://www.topinsound.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/

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

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

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

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