3M
A.R. Vetterca. 1968
Accurate Sound Corp.1987 - 1988
Arvin / Echo ca. 1968
Astro-Science Corp.ca. 1968
Beaver Research Corp.ca. 1968
Borg Warner Corp.ca. 1968
Brainconca. 1969
Cipher Data Products, Inc.ca. 1970
Consolidated Electrodynamicsca. 1968
Cybertronics, Inc.ca. 1965
Dartexca. 1967
Data Laboratories, Inc.ca. 1987
Defense Electronics, Inc.ca. 1967
Digi-Data Corp.ca. 1968
DMI (Data Memory, Inc.)ca. 1969
EMI Technologies, Inc.ca. 1981
Fairchild Winston Research Corp.ca. 1964
General Kinetics, Inc.1965
Genisco Technology Corp.ca. 1967
Geotechnical Corp.ca. 1965
Gould Electronics & Electrical Products1981
Hewlett-Packard
Honeywell. Test Instrument Division
Kennedy Co.1965 - 1968
Kinelogic Corp.1964 - 1968
KRS Electronics1964
Leach Corp. Controls Division1966
Lufkin
Miles Reproducer Co., Inc.
Miller-Stephenson Chemical Co., Inc.
Pacer Co.
Philips Electronic Instruments
Philips Test & Measuring Instruments, Inc.
Pickering & Co.
Potter Instrument Co., Inc.
Precision Data, Inc.
Precision Instrument Co.
Racal Recorders
Ralph M. Parsons Electronics Co.
Raymond Engineering Laboratory, Inc.
S. Himmelstein and Co.
S-I Electronics, Inc.
Sabre Systems, Inc.
Sanders Associates, Inc.
Sangamo Electric Co.
Scientific Data Systems
Sony Corporation of America
Tandberg
TEAC [1 of 2]
TEAC [2 of 2]
Technical Measurement Corp.
Texas Instruments, Inc.
UDAC (Universal Data Acquisition Co.)
Whittaker Corp.