Aerospace & Defense
Boeing
Lockheed Martin
NASA
Northrop Grumman
U.S. Navy
ITT
General Dynamics
Raytheon

Education
Boston College
Purdue University
University of Virginia
UC-Davis
University of Kansas
Princeton University
Penn State University
University of Chicago
Duquesne University

Electric Utilities
Duke Energy
Allegheny Power
CenterPoint Energy
GE Power
DTE Energy
Duquesne Light
Jacksonville Electric Authority
Mirant
NiSource
East Kentucky Power
Vestas Americas
Trinidad PowerGen
Sempra Energy
Empire District Electric
Dominion Resources

Facilities Management
EMCOR
Johnson Controls
Pelican Management
IAP
Landmarc (UK)
Haden Building Mgmt
Venetian Casino
Montreal Hospital Center
University of Michigan Health Systems
Manzanillo International Terminal

Technology Integrators
EDS
SAIC
CSC
TAIC
EMA
Booz Allen Hamilton

Manufacturing
Cargill
Intel
Koch Industries
Honeywell
Fuji Photo Film
PPG Industries Australia
Atofina (France)
Nellson Neutraceutical
LaFarge (Canada)
Lexmark
Sara Lee
Huntsman Chemical
Transitions Optical
BOC Gases
Toyota
ISP Chemical

Oil & Gas
BP
Cenex
Chevron
Exxon Mobil
Abu Dhabi Oil
Perenco (UK)

Pharmaceutical
Roche
Schering-Plough
Bristol-Myers Squibb
Ortho-McNeil
Amgen

Public Sector
Sandia National Labs
U.S. Department of Energy
City of Anchorage
City of Philadelphia
City of Los Angeles
Maricopa County, Arizona
Sarasota County
State of Alaska
City of Portland
City of Seattle
City of Jacksonville
District of Columbia
City of Fort Worth
City of Devonport (UK)

Transportation / Fleet Management
UPS
California Dept. of Forestry Aviation
Long Island Railroad
Southwest Ohio Regional Transit Authority
South Bayside System Authority
FedEx