» APT Acoustics
   Consultants in acoustics, noise and vibrations control and sound insulation. New Zealand.
   http://www.apta.co.nz

» Acentech
   Offering consulting in the areas of architecture, noise and vibration control, fluid dynamics, environmental and industrial acoustics, and audiovisual, video and sound system design.
   http://www.acentech.com/

» Acoustic Associates
   Provides an independent consultancy service to solve your noise and vibration related problems.
   http://www.acousticassociates.co.uk

» Acoustic Emission Technology-Marvin Hamstad, Ph.D.
   Dr. Hamstad specializes in waveform-based wideband acoustic emission research and development involving composites, metals, finite element modeling, and AE sensors.
   http://www.engr.du.edu/profile/marvin.htm

» Acoustical (Acoustic) and Environmental (Pollution Control) Consultants - Sydney - NSW - Australia
   A Sydney based, independent, accredited acoustical and environmental engineering consulting firm that provides a comprehensive services in air, noise and water pollution assessment and control.
   http://www.pccd.com.au/noisepol.htm

» Acoustics and Vibrations WWW Virtual Library: Commercial Companies
   List of many acoustics related companies.
   http://www.ecgcorp.com/velav/vldocs/consulting.html

» Acoustisearch - For all your acoustic needs
   We are a Melbourne based Australian company with skills and experience in Acoustic Services and Electronic Engineering
   http://www.acoustisearch.com

» Apple Dynamics
   Acoustics, electroacoustics, electronics, audio and communication consultancy service. Training courses also provided to industry professionals. United Kingdom .
   http://www.appledynamics.co.uk/

» Applied Acoustic Design
   Acoustic and environmental engineers and consultants offering noise and vibration control and consultancy services worldwide. Automotive test facilities designers.
   http://www.aad.co.uk/

» Applied Dynamic Measurements
   Manufacturer and supplier of precision acoustic weighting networks and filters. Noise and vibration research and consulting, including Torsional Vibration.
   http://www.admnetworks.com

» Architectural Acoustics and Lighting
   Acoustic and lighting definitions and concepts. Reference for architects and interior designers.
   http://www.tir.com/~ms

» Associates in Acoustics, Inc.
   Consulting firm in industrial noise measurement, engineering noise control and hearing conservation programs. Includes noise manual downloads and resource links.
   http://www.esion.com/

» Audiometric Testing of Northern New England
   Hearing testing and conservation programs for business and industry. Understand and control noise levels, lower employee hearing loss, and meet OSHA 1910.95 requirements.
   http://home.earthlink.net/~dagneyt/

» BKL Consultants Ltd.
   Provide a wide range of objective and independent design services in acoustics, noise and vibration control, and environmental impact noise analysis.
   http://www.bkla.com/

» Bowlby and Associates, Inc.
   Assistance in transportation and community noise analysis and mitigation, and transportation air quality assessment.
   http://www.bowlbyassociates.com

» Bretech Group of Companies
   Provides engineering services to clients around the world. Principal fields of activity include; maintenance management, condition monitoring, and advanced diagnostics.
   http://www.bretech.com/

» Bruel & Kjaer
   Manufactures instruments, systems, and software, providing complete system solutions.
   http://www.bk.dk/

» Building Vibration and Dynamics
   Structural dynamics include building vibration and floor vibration, which can cause structural fatigue. The solution is applying Finite Element Analysis (FEA) methods to design custom vibration isolation systems.
   http://www.buildingvibration.com

» CCR Associates Llc
   Offers consultation and diagnostic services to organizations with acoustical concerns that include speech privacy, confidentiality, and machine noise .
   http://www.ccrllc.com/

» CSA Engineering, Inc.
   Provides engineered solutions for vibration suppression, isolation, very low-frequency suspension systems, noise control, and specialized dynamic testing.
   http://www.csaengineering.com/

» CSEI
   Providing stress and vibration analysis of fabricated structures and manufactured products.
   http://www.cseinc.org

» Camets Services Pty Ltd
   Engineering firm with experience in many areas including regulatory and research aspects of acoustics, noise, vibration control, and design. Australia.
   http://www.camets.com.au/

» Charles M. Salter Associates
   Provide acoustical consulting and audio and visual system design services.
   http://www.cmsalter.com/

» Commercial Sites
   Links to commercial sites emphazing acoustics from the Acoustical Society of America (ASA) .
   http://asa.aip.org/links.com.html

» Cullum Detuners Limited
   50 years experience in the design, development, manufacture and installation of jet engine test facilities.
   http://www.cullum.co.uk

» Curtis Technology (UK)
   High Performance DSP specialists providing compact, modular solutions for Radar, Sonar and other DSP applications.
   http://www.curtistech.co.uk

» DSM & Associates Acoustical Consultants
   Solutions for Acoustics, Sound, Audio/Visual Systems and Project Management. Assisting architects, engineers, school systems, Colleges and Universities, churches, recording studios, television and radio stations contractors.
   http://www.dsmassociates.com

» David Trevor-Jones Associates
   Offers noise and vibration measurement and assessment for noise nuisance investigation, site evaluation and planning, environmental assessment, public inquiries, enforcement, and noise and vibration control. United Kingdom.
   http://members.aol.com/acolthurst/index.html

» Design, Imaging, & Control, Inc
   Research, development and consulting in sound and vibration control and advanced control systems.
   http://www.deicon.com/

» Dsa International Corp.
   Consulting engineers specializing in vibration analysis and machinery diagnostics. Developer of Check-Mate Expert System software.
   http://dsaint.com/

» Envibe Condition Monitoring
   Designs and implements predictive maintenance programs for industries including food plants, manufacturing facilities, municipal utilities, petrochemical plants, hospitals, and gas transfer stations.
   http://www.envibe.com/

» Environmental Acoustics
   Consultancy that surveys,measures and predicts noise from industry and entertainment for planning purposes, public entertainment licensing, legal matters and nuisances.
   http://www.environmental-acoustics.co.uk

» Ernst Terhardt
   Teaching and research on electroacoustics, psychoacoustics, musical acoustics and audiocommunication. This page is written partly in German.
   http://www.mmk.e-technik.tu-muenchen.de/persons/ter.html

» Foch Associates
   Concentrates on parks and other special places threatened by noise pollution. We use advanced methods to obtain reproducible and understandable results for clients.
   http://www.fochassociates.com

» Fox Audio
   Sound system design and installation for churches, restaurants, institutions, retail outlets, educational facilities, industry
   http://www.foxaudio.ca

» Hankard Environmental Inc. - Noise and Vibration Consultants
   Solutions to all types of noise and vibration problems.
   http://hankardenvironmental.com

» Harris Miller Miller & Hanson Inc
   Provides a full range of acoustical environmental services for airports, highways, rail and transit systems, military activities, construction projects, industrial sites, and recreational facilities.
   http://www.hmmh.com/

» Hessler Associates Inc
   Provide noise control design and analysis services for industrial customers, particularly those involved in the manufacture and construction of power generation equipment and facilities.
   http://www.hesslernoise.com/

» Ingenieurbuero Dr. Bodden
   Consultants for sound quality, sound design, applied psychoacoustics, acoustical measurements and related topics.
   http://www.product-sound.com/

» Intelligent System Design Laboratory
   Research and development of optimization for noise control and electro-magnetic system, Department of Mechtronics at Kwangju Institute of Science and Technology, Korea .
   http://isd.kjist.ac.kr/

» Internet Sound Institute
   Learn about sound systems and operational techniques and how to use sound equipment.
   http://www.soundinstitute.com/

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

» Machine Dynamics, Inc.
   Engineers offering noise and vibration analysis of machines and structures, field and shop balancing, and alignment.
   http://www.machinedyn.com/

» Massey Technical Services
   Provide engineering services for industrial operations including preventive maintenance with the use of vibration analysis, and infrared thermography.
   http://equipmenthealth.com/

» Mecanum Inc.
   Consulting and software development in acoustics, vibrations and mechanical engineering.
   http://www.mecanum.com/

» Mecon Ltd
   Consultants in acoustics, vibration, noise control, and NDT. United Kingdom .
   http://www.mecon.ltd.uk/

» Mobile Audiometric Services Limited UK
   Independent medical screening company providing and maintaining audiometric screening programmes.
   http://www.mobaudser.co.uk

» NVH Materials
   Links to associated websites around the world involved with noise, vibration, and harshness. Links are categorized for easy searching.
   http://www.nvhmaterials.com/

» Navcon Engineering
   Offer solutions to problems related to airborne and structure borne noise, vibration, and structural dynamics. Consulting services include problem diagnosis, design, manufacture, implementation and verification.
   http://www.navcon.com/

» Noise Control Engineering Inc.
   Offer noise and vibration control engineering services for the marine, industrial, and commercial environments.
   http://www.noise-control.com/

» Noise Control by NEVA Associates
   Located in the Northeast U.S. and working internationally, we specialize in the design and implementation of systems which control noise and vibration in various environments.
   http://www.neva.nu

» Ostergaard Acoustical Associates
   Providing acoustical consultation for architecture, forensics, industrial and environmental acoustics.
   http://www.acousticalconsultant.com/

» PDA Ltd
   Acoustic and noise consultants covering architectural, mechanical and environmental noise areas and offering expert analysis and advice.
   http://www.pdaltd.com/

» Patching Associates Acoustical Engineering Ltd.
   Offering acoustical consulting and design in oil and gas, architectural, transportation, mining, manufacturing and environmental noise control.
   http://www.patchingassociates.com

» Polysonics Corporation
   Consultants in acoustics, vibration, audio-visual systems, and telecommunications.
   http://www.polysonics-corp.com

» Power Acoustics, Inc
   Provides consulting services in acoustics and noise control for industrial applications with specialization in the power generation industry. Environmental noise prediction software is also available.
   http://poweracoustics.com/

» Predictive Maintenance Services Inc.
   Provides predictive maintenance and reliability engineering services on rotating machinery. Vibration analysis and lube testing and wear analysis .
   http://www.p-m-s-i.com/

» Quality Research Development & Consulting Inc.
   Offers service, technology, hardware and software products which incorporate energy management techniques for vibration and noise control problems .
   http://www.qrdc.com/

» Quanta Laboratories
   Independent environmental testing laboratory and provider of vibration, shock, temperature and humidity testing, engineered test services and special test systems.
   http://quantalabs.com/

» Quest Technologies Inc.
   Manufactures, markets and services a complete line of including sound level meters, noise dosimeters, vibration meters, and QuestSuite for Windows data management software.
   http://www.quest-technologies.com/

» RH Lyon Corp.
   Consulting company in quiet product design, product noise reduction, and improved product sound quality.
   http://world.std.com/~lyoncorp/

» RTA Technology Pty Ltd
   Consultants in acoustics, vibration and structural dynamics. Products include a software noise prediction model for the prediction of noise in the environment from industrial and transportation sources. Australia.
   http://www.rtagroup.com.au/

» Redrock Acoustics
   Design engineers for acoustical transducers including ribbon tweeters and high power subwoofers.
   http://www.redrockacoustics.com/

» Risk Management Information Service
   Providing paid subscribers with ergonomics information pertaining to tool design.
   http://www.rmis.com/sites/ergvibra.htm

» Robert A. Hansen Associates
   Consultants in acoustics and audio/video systems design.
   http://home.earthlink.net/~hansenassoc

» Roth Acoustical Associates
   Noise control consultants providing assistance with industrial, architectural, community and product noise control and acoustic issues.
   http://www.rothacoustics.com/

» Rupert Taylor Ltd
   Consultants in acoustics, noise and vibration specializing in railway noise and vibration, particularly computer modeling.
   http://www.ruperttaylor.com/

» SVT-Engineering Consultants & NVMS Pty Ltd
   Consultants in occupational and environmental noise assessment, vibration and noise control engineering, structural dynamics, flow-induced vibrations, acoustic fatigue analysis, and machine condition monitoring .
   http://www.svt.com.au/

» Société d'Acoustique Industrielle
   Engineers offer a range of services for noise and vibration solutions in industrial environments. Bilingual, English and French.
   http://www.sai-acoustique.fr/

» Sound Intensity Measurements
   Provides on-site, accurate results for product research and testing as well as various complex environmental or industrial noise issues.
   http://www.soundintensity.com

» Sound and Vibration Magazine
   Publication for sound, NVH, and acoustic professionals. Links to other sites.
   http://www.sandvmag.com

» Sount Technology Consultants, Inc.
   Acoustics, sound, theatrical lighting, and AV systems for churches, theme parks, and stadiums.
   http://www.sound-technology.com/

» Stewart Acoustical Consultants
   Acoustical consultants providing services in architectural acoustics, environmental-community noise, and industrial-occupational noise.
   http://www.stewartacousticalconsultants.com

» Stoneman & Co Ltd
   Engineering consultancy specialising in industrial and environmental noise issues, including automotive fuel systems dealing with tank slosh and filling problems.
   http://www.stoneman.co.uk/

» The Balancing Company
   Provides dynamic and static balancing, field balancing, overspeed spin testing, fan and blower repair, vibration analysis, predictive maintenance, and balancing machine calibration and repair.
   http://www.balco.com/

» The Talaske Group
   Consultants in acoustics audio and video systems design. Includes a listing of completed projects.
   http://www.talaske.com/

» Tuning Forks
   Stainless steel tuning forks designed for precision acoustical work. In sets or individually from 128 to 4096 Hz.
   http://www.indigo.com/tuning/index.html

» UGN
   Producer of high-quality parts for acoustic, interior trim and thermal management products.
   http://www.ugnusa.com

» Vibra-Analysis,Inc.
   Offers vibration analysis for csi mastertrend users and databases remotely over the internet. Provide analysis and reports which enhance predictive maintenance program.
   http://www.vibra-analysis.com/

» Vibratech Ltd.
   Offer engineering solutions for the vibration industry. Services include maintenance, repair, calibration, installation, site planning, and technical support. United Kingdom.
   http://www.vibratech.co.uk/

» Vibration Analysis Limited
   Ohio firm focused on vibration analysis and specializing in rotating machinery, balancing and consulting.
   http://www.vibrationanalysis.net/

» Vibro-Acoustic Consultants
   Consultancy specializing in noise and vibration control,from site selection to structural dynamics to building qualification.
   http://www.va-consult.com

» Wieland Associates, Inc.
   Acoustical consulting firm provide noise assessments, and control studies, testing, and design services for residential, commercial, industrial and municipal projects.
   http://www.wielandassoc.com/