Acoustics, Audio/Visual & Telecom Consultants
A San Francisco - based firm with a staff of 30 professionals consulting in acoustics, noise and vibration reduction, audio/visual system design, audio/video forensic services, and expert witness testimony.
http://www.cmsalter.com

Marshall Long Acoustics
Marshall Long Acoustics offers professional engineering in architectural acoustics, noise and vibration control, sound studio design, concert hall design, and has completed over 2,500 projects for architects, planners, engineers, developers, government agencies and entertainment professionals.
http://www.mlacoustics.com

HGC Engineering
Serving an internation client base, Howe Gastmeier Chapnik Limited (HGC Engineering) is a consulting engineering firm specializing in noise control, vibration and acoustics.
http://www.hgcengineering.com/

SSA Acoustics, LLP
Welcome to SSA Acoustics, LLP. We are a multi-disciplined acoustical consulting firm, providing detailed and creative solutions to architectural, environmental, and mechanical noise control issues as well as sound system design in the Seattle area and nationwide.
http://www.ssaacoustics.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/

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/

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

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

Pacific Noise & Vibration
Acoustics and vibration systems and services for maritime acoustic stealth, battle-space acoustics and industrial acoustics applications.
http://www.pnv.com.au/

Acousthetics, Inc
Manufacturers' Representative. Acoustic products and materials supplier. Baswaphon, Ecophon, Ceilings Plus, RPG Diffusor Systems. For architectural acoustics and noise control.
http://www.acousthetics.com/