Fluor provides the U.S. Government logistics and life support services in Iraq, Afghanistan, Africa, Jordan and the Philippines; military construction around the world; disaster relief and recovery services throughout the United States; and nuclear decommissioning and operations at government-owned sites. 

DynCorp International is a provider of specialized mission-critical technical services to civilian and military government agencies worldwide, and operates major programs in law enforcement training and support, security services, base operations, aviation services, contingency operations, and logistics support.

L3 Technologies, formerly L-3 Communications Holdings, is an American company that supplies command and control, communications, intelligence, surveillance and reconnaissance (C3ISR) systems and products, avionics, ocean products, training devices and services, instrumentation, aerospace, and navigation products. Its customers include the Department of Defense, Department of Homeland Security, U.S. Government intelligence agencies, NASA, aerospace contractors and commercial telecommunications and wireless customers. 

Currently, KBR provides base life support and logistics services in Iraq and throughout the Arabian Peninsula under the LOGCAP IV contract. KBR provides the U.S. Department of Defense and other federal agencies with a worldwide capability to support contingency operations. KBR has received task order awards including base life support, logistics, postal and transportation services.

During LOGCAP III, KBR and SEII conducted the largest government services contract in United States history in support of military operations in Iraq, Afghanistan, and eight supporting country locations.

Sallyport provides a broad spectrum of life support and logistics services to sustain effective operations at the Balad AB in Iraq, the largest air base complex in Iraq. Sallyport manages facilities operations, maintenance, repair, base engineering support, fire safety, training, medical services, communications engineering, airfield operations, morale, welfare, recreation and, crisis management, and security operations.

Sallyport provides Operations & Maintenance services, resources and management to support Balad base operations and the Iraqi Air Force Flight Management System (FMS) Program, including; planning and design, engineering assessments; program and construction management; facilities construction, IT/telecommunications, warehousing as well as engineering and management for water, wastewater, and power generation. Sallyport manages two dining facilities providing more than 6,000 meals per day to permanent, temporary, and visiting personnel.

SOC is a global provider of mission solutions for U.S. Government and commercial customers. SOC employs over 5,000 professionals engaged in the delivery of mission critical safeguards and security, facility management and operations, engineering, explosive ordnance storage and disposal, and international logistics and life support services.  SOC - SMG's customers include the U.S. Departments of State, Energy, and Defense, Fortune 500 companies, and non-governmental organizations.  

MEP serves defense, diplomatic, intelligence community, and law enforcement customers, as well as multinationals and friendly foreign governments by providing employees with specific skills, such as translators and cybersecurity experts.

Constellis is the umbrella corporation controlling ACADEMI, Triple Canopy, Olive Group, Edinburgh International, Strategic Social, AMK9, Centerra, TDI and OMNIPLEX. Constellis provides complementary security, mission support, and training services.

AECOM's Maintenance and Operational Support Contract – Afghanistan (MOSC-A) program management team in Afghanistan is currently providing a full range of maintenance, supply, security, transportation and facilities support to the 401st Army Field Sustainment Brigade.

ITT received two contracts from the U.S. Army Corps of Engineers Middle East District to provide facilities operations, maintenance and training services for the Afghanistan National Security Forces (ANSF) in Afghanistan.

Baker Hughes is a provider of integrated oilfield products, services and digital solutions in over 120 countries.

Weston has provided facility renovations on over 30 U.S. embassies around the world, including work in South America, Europe, Asia, and Africa at a total value of $43M. The overarching goal of each project is to provide a final product that exceeds the unique U.S. government security requirements for work in embassies.

CALNET, Inc. is a privately held company in the Intelligence Analysis, Language Services, and IT consulting services arena. Headquartered in Reston, VA, CALNET, Inc. provides world-wide services in CONUS and OCONUS to include Afghanistan, Iraq, Guantanamo Bay, and Korea.

CH2M HILL, also known as CH2M, is a global engineering company that provides consulting, design, construction, and operations services for corporations, and federal, state, and local governments.

The Defense Threat Reduction Agency and United States Strategic Command Center for Combating Weapons of Mass Destruction (DTRA/SCC-WMD) selected CH2M to lead efforts in West Africa to broaden its Cooperative Biological Engagement Program (CBEP) on the African continent and reduce the threat of infectious diseases.

The Air Force Civil Engineer Support Agency (AFCESA) Contingency Support Directorate awarded CH2M HILL Global Services LLC, a partnership between CH2M HILL and KBR, an Indefinite Delivery Indefinite Quantity (IDIQ) contract for worldwide contingency support.

Agility Defense and Government Services (formerly PWC Logistics) provides supply chain solutions, 3PL and 4PL services, contingency logistics and reverse logistics to the United States Department of Defense and other governmental entities worldwide.

Worldwide Language Resources (WWLR) of Fayetteville, NC provides linguist and translation support in support of US Special Operations Command. 

SOS International has been a major supplier of translator/interpreter services in Iraq and Afghanistan.

AllWorld Language Consultants, Inc. (ALC) is a consulting firm that provides a vast array of technical and professional services such as: translation, interpretation, transcription, Title III intercept, multi-media production, training, and intelligence support.