ACCELEROMETERS & ACCESSORIES:
ATA Engineering, Inc.
ANCO Engineers, Inc.
BRUEL & KJAER
Columbia Research Labs, Inc.
Dantec Dynamics Inc.
DASCOR, Inc.
Dynamic Solutions
Dytran Instruments, Inc.
ENDEVCO
Hanse Environmental
IMI Sensors
IST, Inc.
Kistler Instrument Corp.
LDS-DACTRON
MB Dynamics, Inc.
MSS-Wilcoxon
The Modal Shop
PCB PIEZOTRONICS, INC.
SCANTEK, INC.
Unholtz-Dickie
VTS
Vibroacoustics Technologies
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
Team Corp.
Wyle
ACOUSTIC TRANSDUCERS/MICROPHONES:
BRUEL & KJAER
Columbia Research Labs, Inc.
Dytran Instruments, Inc.
ENDEVCO
HEAD acoustics
Larson Davis
MSS-Wilcoxon
The Modal Shop
Ono Sokki
OROS, Inc.
PCB PIEZOTRONICS, INC.
SCANTEK, INC.
TEAC Data Recorders
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-DACTRON
LING ELECTRONICS
MB Dynamics, Inc.
MSS-Wilcoxon
PCB PIEZOTRONICS, INC.
Unholtz-Dickie
VTS
Vibroacoustics Technologies