ALCOA (2)	Military Operations Research Society (MORS) (8)
AlliedSignal	Missile Defense Agency
AMP (4)	MITRE (2)
A.O. Smith	Motorola
AT&T	Nabisco
AT&T – Saudi Arabia (2)	NASA
Babcock & Wilcox Y-12 (Oak Ridge National Lab)	National Geospatial-Intelligence Agency
Bell Labs (6)	National Institute of Standards and Technology (NIST)
BHP	National Security Agency (5)
Boeing (5)	NATO – Netherlands
Caterpillar (3)	NCR
Center for Naval Analyses (2)	Nortel Networks (2)
Central and South West Corporation)	Northrop Grumman
Coca-Cola	Ore-Ida Foods
Colorado Technical University	ProModel Corporation
CSX	Raytheon
Department of National Defence (2) – Canada	Rockwell (2)
Dresser	Sandia National Labs (3)
Engineering Industries eXcellence	Sasol Technology – South Africa (4)
FEDSIM	Savannah River Site (Dept. of Energy)
FlexSim Software Products	SEMATECH (7)
General Electric	Singapore Institute of Mfg. Tech. – Singapore (2)
General Motors (6)	Sintec – Mexico
Georgia Tech Research Institute	Society of Manufacturing Engineers (SME) (7)
Harris Corporation	Sparta, Inc.
Hewlett-Packard	Systems, Computers & Information – Brazil
IBM (5)	3M (2)
IBM – Belgium	Tampere University of Technology – Finland
Incontrol Enterprise Dynamics – Netherlands	Time Warner
INFORMS (5)	United Space Alliance (2)
Institute of Industrial & Systems Engineers (IIE) (23)	Universidad del Bio-Bio – Chile
Intel	University of Arizona (3)
International Council on Systems Eng. (INCOSE)	University of Chile – Chile
International Society for Optical Eng. (SPIE) (3)	University of Helsinki – Finland
International Test & Evaluation Assoc. (ITEA) (5)	UPS
Intuit	U.S. Air Force (25)
Joint Warfare Analysis Center (2)	U.S. Army (39)
Kimberly-Clark	U.S. Forces Korea (Army) – Korea
Korean Simulation Society – Korea	U.S. Naval War College
Lockheed Martin (10)	U.S. Navy (21)
Logistics Management Institute	Verizon
Loral Space and Communications	Whirlpool (3)
Los Alamos National Lab (2)	Xerox (2)
M&M/Mars
Manugistics