Polysonics Corporation 
Consultants in acoustics, vibration, audio-visual systems, and telecommunications.
http://www.polysonics-corp.comAssociates 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/
Charles M. Salter Associates 
Provide acoustical consulting and audio and visual system design services.
http://www.cmsalter.com/
Mecanum Inc. 
Consulting and software development in acoustics, vibrations and mechanical engineering.
http://www.mecanum.com/
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/
Internet Sound Institute 
Learn about sound systems and operational techniques and how to use sound equipment.
http://www.soundinstitute.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/
Commercial Sites 
Links to commercial sites emphazing acoustics from the Acoustical Society of America (ASA) .
http://asa.aip.org/links.com.html
Design, Imaging, & Control, Inc 
Research, development and consulting in sound and vibration control and advanced control systems.
http://www.deicon.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/
Ostergaard Acoustical Associates 
Providing acoustical consultation for architecture, forensics, industrial and environmental acoustics.
http://www.acousticalconsultant.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
Machine Dynamics, Inc. 
Engineers offering noise and vibration analysis of machines and structures, field and shop balancing, and alignment.
http://www.machinedyn.com/
Noise Control Engineering Inc. 
Offer noise and vibration control engineering services for the marine, industrial, and commercial environments.
http://www.noise-control.com/
Mecon Ltd 
Consultants in acoustics, vibration, noise control, and NDT. United Kingdom .
http://www.mecon.ltd.uk/
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/
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/
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/
PDA Ltd 
Acoustic and noise consultants covering architectural, mechanical and environmental noise areas and offering expert analysis and advice.
http://www.pdaltd.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/
Fox Audio 
Sound system design and installation for churches, restaurants, institutions, retail outlets, educational facilities, industry
http://www.foxaudio.ca
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/
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/
Sount Technology Consultants, Inc. 
Acoustics, sound, theatrical lighting, and AV systems for churches, theme parks, and stadiums.
http://www.sound-technology.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/
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/
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
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/
The Talaske Group 
Consultants in acoustics audio and video systems design. Includes a listing of completed projects.
http://www.talaske.com/
Vibro-Acoustic Consultants 
Consultancy specializing in noise and vibration control,from site selection to structural dynamics to building qualification.
http://www.va-consult.com
Cullum Detuners Limited 
50 years experience in the design, development, manufacture and installation of jet engine test facilities.
http://www.cullum.co.uk
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/
UGN 
Producer of high-quality parts for acoustic, interior trim and thermal management products.
http://www.ugnusa.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/
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/
Curtis Technology (UK) 
High Performance DSP specialists providing compact, modular solutions for Radar, Sonar and other DSP applications.
http://www.curtistech.co.uk
Bruel & Kjaer 
Manufactures instruments, systems, and software, providing complete system solutions.
http://www.bk.dk/
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
Ingenieurbuero Dr. Bodden 
Consultants for sound quality, sound design, applied psychoacoustics, acoustical measurements and related topics.
http://www.product-sound.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/
Pollution Control Consultancy and Design (PCCD) 
A Sydney based, independent, accredited acoustical and environmental engineering consulting firm that provides a services in air, noise and water pollution assessment and control.
http://www.pccd.com.au/noisepol.htm
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
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/
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/
Architectural Acoustics and Lighting 
Acoustic and lighting definitions and concepts. Reference for architects and interior designers.
http://www.tir.com/~ms
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/
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/
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/
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/
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
Robert A. Hansen Associates 
Consultants in acoustics and audio/video systems design.
http://home.earthlink.net/~hansenassoc
Massey Technical Services 
Provide engineering services for industrial operations including preventive maintenance with the use of vibration analysis, and infrared thermography.
http://equipmenthealth.com/
Redrock Acoustics 
Design engineers for acoustical transducers including ribbon tweeters and high power subwoofers.
http://www.redrockacoustics.com/
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/
Rupert Taylor Ltd 
Consultants in acoustics, noise and vibration specializing in railway noise and vibration, particularly computer modeling.
http://www.ruperttaylor.com/
HGC Engineering 
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
Stewart Acoustical Consultants 
Acoustical consultants providing services in architectural acoustics, environmental-community noise, and industrial-occupational noise.
http://www.stewartacousticalconsultants.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/
Marvin Hamstad, Ph.D. 
Acoustic emission specialist; 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
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
DSM & Associates 
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
Risk Management Information Service 
Providing paid subscribers with ergonomics information pertaining to tool design.
http://www.rmis.com/sites/ergvibra.htm
Acoustic Associates 
Provides an independent consultancy service to solve your noise and vibration related problems.
http://www.acousticassociates.co.uk
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/
Hankard Environmental Inc. 
Noise and vibration consultants. Solutions to all types of noise and vibration problems.
http://hankardenvironmental.com
Bowlby and Associates, Inc. 
Assistance in transportation and community noise analysis and mitigation, and transportation air quality assessment.
http://www.bowlbyassociates.com
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/
Auralex Acoustics 
Specializing in the manufacture of acoustical and soundproofing materials. Offering acoustic foam, bass traps, sound isolation barriers, sound diffusors, and consulting.
http://www.auralex.com
Reactec, Ltd 
UK. Design, development and manufacture of hand-arm, whole body, and machine and marine vibration control and isolation, and anti vibration systems and services. Custom development and technical consultancy services. Links to related sites.
http://www.reactec.com/
Soundcontrol4less 
Specialists in noise and vibration control products. USA.
http://www.soundcontrol4less.com
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/
Roth Acoustical Associates 
Noise control consultants providing assistance with industrial, architectural, community and product noise control and acoustic issues.
http://members.aol.com/rothsi/
Apple Dynamics 
Acoustics, electroacoustics, electronics, audio and communication consultancy service. Training courses also provided to industry professionals. United Kingdom .
http://www.appledynamics.com/
Sound and Vibration Magazine 
Publication for sound, NVH, and acoustic professionals. Links to other sites.
http://www.sandv.com/
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.bkl.ca/