Army Modeling and Simulation Management Office
http://www.amso.army.mil/

Air Force Agency for Modeling and Simulation
http://www.afams.af.mil/

Marine Corps Modeling and Simulation Management Office
http://www.tecom.usmc.mil/techdiv/mcmsmo.htm

Navy Modeling and Simulation Management Office
https://nmso.navy.mil/

DoD Modeling and Simulation Coordinating Office
http://msco.mil/

Marine Corps Operational Test and Evaluation Activity
http://www.quantico.usmc.mil/activities/?Section=MCOTEA

Army TRADOC
http://www.tradoc.army.mil/

Army TRADOC Analysis Center, Ft. Leavenworth
http://www.trac.army.mil/

Army Test and Evaluation Command
http://www.atec.army.mil/

Air Force Operational Test and Evaluation Center
http://www.afotec.af.mil/

Navy Commander, Operational Test and Evaluation Force
http://www.cotf.navy.mil/

Director of Defense Research and Engineering
http://www.dod.mil/ddre/mainpage.htm

Defense Technical Information Center
http://www.dtic.mil/dtic/index.html

Modeling and Simulation University
http://education.dod-msiac.org/

Defense Acquisition University
http://www.dau.mil/

Defense Systems Management College
http://www.dau.mil/regions/dsmc_spm.asp

DoD STINET
http://stinet.dtic.mil/

DoD TEMS
http://iac.dtic.mil/iatac/TEMS.html

Air Force Distributed Mission Operations Center (DMOC)
http://www.dmoc.kirtland.af.mil/

Institute for Defense Analyses
http://ida.org/

MITRE Corporation
http://mitre.org/

RAND Corporation
http://rand.org/

The Aerospace Corporation
http://www.aero.org/