NOREN PRODUCTS, INC., AcoustiLock - Menlo Park, CA - - Providing noise reduction cabinets that reduce up to 38 dBA and transfer heat from electronics such as powerful PCs, drives, fans and any device that disturbs the working environment. The AcoustiLock allows you the convenience of having your noisy, yet valuable grear as integral parts of your workspace. "Hear Youself Think. (650)322-9500, Fax: (650)324-1348, E-mail: DavidM@NorenProducts.com

POLYTEC PI - Auburn, MA - - Please visit our website and return later for a complete description of our vibration testing products. (508)832-3456, Fax: (508)832-0506, E-mail: Info@PolytecPI.com

TDL TECHNOLOGY, INC. - Las Cruces, NM - - We manufacture instuments for noise and acoustic measurements. Also, see our magazine article: "Masking Unwanted Sound" on our website. Custom instruments developed at reduced cost for right to market. Visit our website for products, prices and User Guides. (505)382-3173, Fax: (505)382-8810, E-mail: TDL@Zianet.com

SCANTEK, INC. - Columbia, MD - - Specializing in machinery and building acoustics including HVAC, vehicle, NVH, computer, environmental noise. Suppliers of Sound meters, microphones, calibrators. Sound testing, sound and vibration instrumentation sales, service, calibration, and rental since 1985. Expert consulting services to our clients and customers . (410)290-7726, Fax: (410)290-9167, E-mail: Info@ScantekInc.com

TEMPEST SECURITY SYSTEMS, INC. - Troy, OH - - Use QUIETSTONE acoustic shielding products as sound barriers for industrial interiors using natural stone panels. Use DATASTOP security glass to reduce the transmission and reception of radio waves, including cellphone signals and unwanted EMI/RFI (electronic noise). Established in 1989, Tempest Security Systems is the industry leader in its field. (937) 335-5600, Fax: (937)335-0018, E-mail: IanWaterman00@aol.com

TouchSystems Corporation - Round Rock, TX - - Please click to visit our website and return later for a complete description of our NOISE-FREE computer systems for special applications. (800)320-5944, (512)846-2424, Fax: (512)846-2425, E-mail: Msims@TouchSystems.com