Acoustic and environmental engineers and consultants offering noise and vibration control and consultancy services worldwide. Automotive test facilities designers.

Manufacturer and supplier of precision acoustic weighting networks and filters. Noise and vibration research and consulting, including Torsional Vibration.

Consulting firm in industrial noise measurement, engineering noise control and hearing conservation programs. Includes noise manual downloads and resource links.

Specializing in the manufacture of acoustical and soundproofing materials. Offering acoustic foam, bass traps, sound isolation barriers, sound diffusors, and consulting.

Provides dynamic and static balancing, field balancing, overspeed spin testing, fan and blower repair, vibration analysis, predictive maintenance, and balancing machine calibration and repair.

Provide a wide range of objective and independent design services in acoustics, noise and vibration control, and environmental impact noise analysis.

Assistance in transportation and community noise analysis and mitigation, and transportation air quality assessment.

Manufactures instruments, systems, and software, providing complete system solutions.

Offers consultation and diagnostic services to organizations with acoustical concerns that include speech privacy, confidentiality, and machine noise .

Provide acoustical consulting and audio and visual system design services.

Provides engineered solutions for vibration suppression, isolation, very low-frequency suspension systems, noise control, and specialized dynamic testing.

50 years experience in the design, development, manufacture and installation of jet engine test facilities.

High Performance DSP specialists providing compact, modular solutions for Radar, Sonar and other DSP applications.

Research, development and consulting in sound and vibration control and advanced control systems.

Designs and implements predictive maintenance programs for industries including food plants, manufacturing facilities, municipal utilities, petrochemical plants, hospitals, and gas transfer stations.

Sound system design and installation for churches, restaurants, institutions, retail outlets, educational facilities, industry

Noise and vibration consultants. Solutions to all types of noise and vibration problems.

Provide noise control design and analysis services for industrial customers, particularly those involved in the manufacture and construction of power generation equipment and facilities.

Engineers offering noise and vibration analysis of machines and structures, field and shop balancing, and alignment.

Consulting and software development in acoustics, vibrations and mechanical 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.

Design and supply customised solutions for industrial silencing and noise control. They design and manufacture vent silencers for steam and gas duties, suction and discharge pulsation dampeners.

Offer noise and vibration control engineering services for the marine, industrial, and commercial environments.

Providing acoustical consultation for architecture, forensics, industrial and environmental acoustics.

Offering acoustical consulting and design in oil and gas, architectural, transportation, mining, manufacturing and environmental noise control.