| ABB, Inc. |
| ACS - Affiliated Computer Services |
| Advanced Concepts, Inc. |
| Advanced Sensor Technologies (AST) |
| Aerojet |
| Agile Business Concepts, LLC |
| Air Warfare Destroyer Systems Center |
| Alliant TechSystems |
| Allianze Life Insurance Company of North America |
| AMD |
| American Systems |
| AmeriPath - A Quest Diagnostics Company |
| Anadarko Industries |
| ARAS Corporation |
| ASRC Research and technology Solutions |
| ATK |
| Atlantis Systems America, Inc. |
| AUSGAR Technologies, Inc |
| Auto-trol Technology |
| Babcock & Wilcox |
| BAE Systems |
| Barling Bay, LLC |
| Belcan Corp, Advanced Engineering & Technology Division |
| Bentley Systems, Inc. |
| BlueCross BlueShield of Vermont |
| BlueForce, LLC |
| Boeing |
| Boeing Commercial Airplanes |
| Booz Allen Hamilton |
| Booz Allen SE&I Constellation Program |
| Bowhead Information Technologies Services |
| Boy Scouts of America |
| Bridgewater Systems |
| Bureau of Land Management |
| Business Transformation Agency |
| Canadian Submarine Management Group |
| Capgemini America Outsourcing |
| Cash America International |
| Cask LLC |
| CBAIA |
| Centurum Information Technologies |
| CGI Federal |
| CIMData |
| CLPLM |
| CM Crossroads |
| CM Professional Services |
| CMIC Services |
| CMstat |
| Cobham Analytic Solutions |
| Colorado Springs Utilities |
| Columbus Technologies and Services, Inc. |
| Concurrent Technologies Corporation |
| Configuration Management, Inc. |
| Craig Technologies |
| CSC |
| CSL Consulting |
| Current CM |
| DCS Corporation |
| Department of Homeland Security |
| Department of National Defence, Canada |
| DEW Engineering |
| DHA, Inc. |
| DOD |
| DoN, Strategic Systems Programs |
| Donaldson Company, Inc. |
| DRS-C3 Systems |
| DRS-C3 & Aviation |
| DRS Tactical Systems, Inc. |
| E-ONE |
| Eagan, McAllister & Associates, Inc. |
| Eaton |
| Eaton Aerospace |
| ECS, Inc. |
| Eglin AFB |
| Elbit Systems Ltd. |
| Electronics Systems Command |
| Ensign Bickford A&D Co. |
| Enterprise Informatics |
| ERPI |
| eSolar |
| European Southern Observatory (ESO) |
| Federal Aviation Administration |
| Federal Reserve Board |
| Fidelity International Limited |
| Financial Crimes Enforcement Network |
| Fleet Readiness Center East |
| Fleetway Inc. |
| Freedom Consulting Group |
| FTI Consulting |
| GAO - US Gov't Accountability Office |
| GE Energy |
| GE Oil & Gas |
| General Dynamics - AIS |
| General Dynamics Ordinance and Tactical |
| General Dynamics Robotic Systems |
| GeoDecisions |
| Goodrich Sensors and Integrated Systems |
| Hamilton Sundstrand |
| Harris CapRock Communications |
| Harris Corporation |
| Hartzell Engine Technologies |
| HeathCo LLC |
| Honeywell International |
| HP |
| Hutchinson Technology Inc. |
| iGov Technologies |
| i-Infusion/Imagine Technology, Inc. |
| ICF International |
| IDEXX Laboratories, Inc. |
| iGov Technologies |
| IMP Aerospace |
| InDyne Inc. |
| Instron |
| Intergraph |
| ITT Corporation |
| J. Golan Engineering Services |
| Jacobs Technology |
| Keane, Inc. |
| Kelly Aerospace Power Systems |
| King Abdulaziz City for Science & Technology |
| Kongsberg Defence & Aerospace |
| Kontron America |
| Kratos Defense & Security Solutions |
| L-3 Communications |
| L-3 WESCAM |
| L1 Identity |
| Levi Strauss & Co. |
| Life Cycle Engineering |
| Lockheed Martin |
| ManTech |
| Marathon Oil |
| MARCORSYSCOM |
| McLaughlin Research Corp |
| Mectron Engenharia Indústria e Comércio S.A. |
| Medavie Blue Cross |
| MedImpact Healthcare Systems, Inc. |
| Medtronic Inc/Neuromodulation |
| Meta-Fleet International Corp. |
| Microsoft Corp |
| Mil Corp |
| Millennium Data Management |
| MITRE |
| MKS Instruments |
| MRI Technologies |
| mst-Consult |
| MTCSC |
| NACMA - NATO |
| NASA Goddard Space Flight Center |
| NASA: John H Glenn Research Center |
| NASA Langley Research Center |
| Nasittuq Corp. |
| National Security Technologies |
| National Institutes of Health (NIH) |
| National Technologies Associates, Inc. |
| NATO - MEADS |
| Naval Surface Warfare Center - NSWC Crane Division |
| Naval Surface Warfare Center - Panama City |
| NAVAIR |
| NAWCTSD |
| NCI Information Systems, Inc. |
| NDI |
| NEC (Network Enterprise Center) |
| Neuma Technology, Inc. |
| Nexteer Automotive |
| Nonin Medical Inc. |
| Nordson EFD |
| Northrop Grumman Corporation |
| Nouvella Consulting Services, Ltd |
| NOVA Technologies |
| NTA/PMA213 Logistics |
| NSWC - Crane, IN |
| NSWC - Panama City, FL |
| Orbital Science Corporation |
| Oshkosh Corporation |
| Panasonic Avionics Corporation |
| Percise Systems |
| Philips Lifeline |
| Phonon Corporation |
| Pole/Zero Corporation |
| Poole & Associates, Inc. |
| Privy Council Office |
| PSA |
| QBE Regional Insurance |
| QinetiQ North America |
| Radant Technologies, Inc. |
| Rawling Consulting |
| Raytheon |
| Raytheon Canada Limited |
| RCS Technologies |
| Rudolph Technologies, Inc. |
| Sabre Systems |
| SAIC |
| Sandia National Lab |
| Scientific Research Corporation |
| Scitor Corporation |
| SEC (Keane Federal Systems) |
| Sentek Global |
| Shaw Environmental & Infrastructure, Inc. |
| Siemens Healthcare |
| SimVentions, Inc. |
| Skylla Engineering |
| SNVC |
| Sotera Defense Solutions |
| Space & Naval Warfare Systems Center Pacific (SSC Pacific) |
| Space Missions Spacecraft Systems |
| SPAWAR |
| Spradlin Technologies |
| SSAI |
| St. Jude Medical |
| Stanley Associates |
| Stewart & Stevenson |
| STM - Defence Technologies Engineering Co. |
| Systems Technology |
| Taser International |
| Terma North America |
| TerpSys |
| Texas A&M |
| Thales Canada, Inc. |
| The Energy Authority, Inc. |
| The Options Clearing Corporation |
| Tracfone Wireless, Inc. |
| Tri-Star Engineering, Inc. |
| TYBRIN Corporation |
| Unisys Corporation |
| United Space Alliance |
| University of Manchester, UK |
| URS Corporation |
| URS Federal Services |
| US Air Force |
| US Army |
| US ARMY ARDEC |
| US Coast Guard |
| US Department of Transportation |
| US Marine Corps |
| US Navy |
| usb Management Consulting and System Development GmbH |
| USMC SYSCOM |
| VAAA Program Management School |
| Varian Semiconductor |
| Vickers & Nolan Enterprises |
| Volt Technical Services |
| Whirlpool Corporation |
| Wireless Seismic |
