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3M
ALLEN BRADLEY
ALLIANT TECHSYSTEMS
AMP
ATLANTIC RESEARCH
AUDIOSEARS
BOOZ-ALLEN HAMILTON
CONTINENTAL CONVEYOR
CRANE AEROSPACE
DADE BEHRING
DYNATEC
E.I.DUPONT
ELDEC
GENERAL DYNAMICS
IRECO
LIBRARY OF CONGRESS
MARTIN MARIETTA
MINE SAFETY
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MOTOROLA
NAVAL ORDNANCE
PHILIPS TECHNOLOGIES
PRODELIN CORPORATION
PROPELLEX
RESPIRONICS
ROBERTSHAW
ROCKWELL AUTOMATION
SCI SYSTEMS
SDI INC.
STERLING PLUMBING
TALLEY DEFENCE
THOMAS SCIENTIFIC
TRW
WELCH ALLEN
WILSON GREATBATCH
XOMED TREACE
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