ACCELEROMETERS & ACCESSORIES:

ATA Engineering, Inc.
ANCO Engineers, Inc.
Bruel & Kjaer
Columbia Research Labs, Inc.
Dantec Dynamics Inc.
DASCOR, Inc.
Dynamic Solutions
Dytran Instruments, Inc.
Dytran Instruments, Inc.
ENDEVCO
Hanse Environmental
IMI Sensors
IST, Inc.
Kistler Instrument Corp.
LDS Test & Measurement
MB Dynamics, Inc.
The Modal Shop
PCB Piezotronics, Inc.
Scantek, Inc.
Unholtz-Dickie
VIP Sensors
VTS
VIBROACOUSTICS TECHNOLOGIES
Wilcoxon

ACOUSTIC CONTROL:

Systems:
Dantec Dynamics Inc.
m+p international inc.

ACOUSTIC EMISSION MONITORING INSTRUMENTS:

Kistler Instrument Corp.
LMS North America
Larson Davis

ACOUSTIC NOISE MEASURING/MONITORING EQUIPMENT:

Bruel & Kjaer
Data Physics
HEAD acoustics
IOtech
LMS North America
Larson Davis
The Modal Shop
Ono Sokki
PCB Piezotronics, Inc.
Scantek, Inc.

ACOUSTIC NOISE SOURCES:

Bruel & Kjaer
LMS North America
Scantek, Inc.
TEAM CORP.
Wyle

ACOUSTIC NOISE SOURCES, HIGH INTENSITY:

PCB Piezotronics, Inc.
TEAM CORP.
Wyle

ACOUSTIC TEST SYSTEMS:

Bruel & Kjaer
Data Physics
HEAD acoustics
LMS North America
Larson Davis
m+p international inc.
The Modal Shop
PCB Piezotronics, Inc.
Scantek, Inc.
Spectral Dynamics
Spektra Calibration Systems
TEAM CORP.
Wyle

ACOUSTIC TRANSDUCERS/MICROPHONES:

Bruel & Kjaer
Columbia Research Labs, Inc.
Dytran Instruments, Inc.
ENDEVCO
HEAD acoustics
Larson Davis
The Modal Shop
Ono Sokki
OROS, Inc.
PCB Piezotronics, Inc.
Scantek, Inc.
TEAC Data Recorders
Wilcoxon

AIR CHILLERS:

Thermotron Industries

AIR HANDLING EQUIPMENT:

Assoc. Env'l. Sys., A BMA Co.
PCB Piezotronics, Inc.

AMPLIFIERS:

ACG DYNAMICS
APS Dynamics, Inc.
Data Physics
Dynamic Solutions
Dytran Instruments, Inc.
ENDEVCO
Environment Associates, Inc.
Kistler Instrument Corp.
LDS Test & Measurement
Ling Electronics
MB Dynamics, Inc.
PCB Piezotronics, Inc.
Unholtz-Dickie
VTS
VIBROACOUSTICS TECHNOLOGIES
Wilcoxon