The Bureau of Alcohol, Tobacco, Firearms and Explosives, commonly referred to as the ATF, is a domestic law enforcement agency within the United States Department of Justice.

The Bureau of Land Management is an agency within the United States Department of the Interior responsible for administering federal lands. Headquartered in Washington DC, and with oversight over 247.3 million acres, it governs one eighth of the country's landmass.

United States Customs and Border Protection is the largest federal law enforcement agency of the United States Department of Homeland Security

The Centers for Disease Control and Prevention is the national public health agency of the United States. It is a United States federal agency, under the Department of Health and Human Services, and is headquartered in Atlanta, Georgia

The Central Intelligence Agency known informally as the Agency and historically as the Company,is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, and analyzing national security information from around the world, primarily through the use of human intelligence (HUMINT) and performing covert actions.

The Department of Homeland Security (DHS) plays a central role in administering the immigration system of the United States.

The Defense Acquisition University is a corporate university of the United States Department of Defense offering "acquisition, technology, and logistics" training to military and Federal civilian staff and Federal contractors

The Defense Contract Audit Agency is an agency of the United States Department of Defense under the direction of the Under Secretary of Defense. It was established in 1965 to perform all contract audits for the Department of Defense

The Defense Contract Management Agency is an agency of the United States federal government reporting to the Under Secretary of Defense for Acquisition and Sustainment. It is responsible for administering contracts for the Department of Defense and other authorized federal agencies.

The Drug Enforcement Administration is a United States federal law enforcement agency under the U.S. Department of Justice tasked with combating drug trafficking and distribution within the U.S.

The United States Department of Homeland Security is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries.

The Defense Intelligence Agency is an intelligence agency and combat support agency of the United States Department of Defense, specializing in defense and military intelligence

The United States Department of Defense is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government directly related to national security and the United States Armed Forces.

The Department of Education’s mission is to promote student achievement and preparation for global competitiveness by fostering educational excellence and ensuring equal access.

The United States Department of Energy is an executive department of the U.S. federal government that oversees U.S. national energy policy and manages the research and development of nuclear power and nuclear weapons in the United States.

The Office of Research Services, DOHS, serves the NIH in occupational safety and health through administration of programs, policies, and support. We also maintain occupational health and safety programs at Bayview Research Center in Baltimore, MD, Integrated Research Facility in Frederick, MD, and Rocky Mountain Laboratories at Hamilton, MT.

The United States Department of Justice, also known as the Justice Department, is a federal executive department of the United States government tasked with the enforcement of federal law and administration of justice in the United States. It is equivalent to the justice or interior ministries of other countries.

The United States Department of the Interior is one of the executive departments of the U.S. federal government headquartered at the Main Interior Building, located at 1849 C Street NW in Washington, D.C

The United States Department of State, or State Department, is an executive department of the U.S. federal government responsible for the country's foreign policy and relations

The Executive Office for Immigration Review is a sub-agency of the United States Department of Justice whose chief function is to conduct removal proceedings in immigration courts and adjudicate appeals arising from the proceedings.

The Federal Aviation Administration is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters.

The Federal Bureau of Investigation is the domestic intelligence and security service of the United States and its principal federal law enforcement agency.

The Federal Communications Commission is an independent agency of the United States federal government that regulates communications by radio, television, wire, satellite, and cable across the United States

The United States Food and Drug Administration is a federal agency of the Department of Health and Human Services

The Federal Protective Service (FPS) prevents targeted violence or threats of violence in or near FPS-monitored facilities by engaging in interagency coordination and partnerships.

The United States Fish and Wildlife Service is an agency within the United States Department of the Interior dedicated to the management of fish, wildlife, and natural habitats

The United States Department of Health and Human Services is a cabinet-level executive branch department of the U.S. federal government created to protect the health of all Americans and providing essential human services. Its motto is "Improving the health, safety, and well-being of America

The U.S. Immigration and Customs Enforcement is a federal law enforcement agency under the U.S. Department of Homeland Security. ICE's stated mission is to protect the United States from the cross-border crime and illegal immigration that threaten national security and public safety.

The IRS mission is to provide America's taxpayers top quality service by helping them understand and meet their tax responsibilities and to enforce the law with integrity and fairness to all.

The Joint Improvised-Threat Defeat Organization is a combat support organization of the U.S. Department of Defense organization under the Defense Threat Reduction Agency that deals with improvised threats such as the improvised explosive device and small unmanned aerial systems.

The Library of Congress is the research library that officially serves the United States Congress and is the de facto national library of the United States. It is the oldest federal cultural institution in the country.

The Mine Safety and Health Administration is a large agency of the United States Department of Labor which administers the provisions of the Federal Mine Safety and Health Act of 1977 to enforce compliance

The National Archives and Records Administration (NARA) is the nation's record keeper. Of all documents and materials created in the course of business conducted by the United States federal government, only 1%-3% are so important for legal or historical reasons that they are kept by us forever.

The United States Navy is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States.

NIH is the steward of medical and behavioral research for the Nation. Its mission is to seek fundamental knowledge about the nature and behavior of living systems and the application of that knowledge to enhance health, lengthen life, and reduce illness and disability.

The National Park Service is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, most national monuments, and other natural, historical, and recreational properties with various title designations.

The Nuclear Regulatory Commission is an independent agency of the United States government tasked with protecting public health and safety related to nuclear energy

The National Security Agency is a national-level intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence.

The Office of Disability Adjudication & Review is a branch of the Social Security Administration. These are the offices that are in charge of scheduling the disability hearings for Social Security Disability applicants who are appealing a denial of their initial Social Security Disability claim.

The Social Security Administration’s (SSA) Office of Hearings Operations (OHO) directs a nationwide field organization staffed with Administrative Law Judges (ALJs) who conduct impartial hearings and make decisions on appealed determinations involving Old-Age, Survivors, and Disability Insurance benefits (Title II, SSDI) and Supplemental Security Income (Title XVI, SSI) payments.

The Office of the Principal Legal Advisor (OPLA) is the largest legal program in DHS, with more than 1,300 attorneys and nearly 300 support personnel with diverse backgrounds and perspectives. Pursuant to statute, OPLA serves as the exclusive representative of DHS in immigration removal proceedings before the Executive Office for Immigration Review, litigating all removal cases including those against criminal noncitizens, terrorists, and human rights abusers.

The Office of the Solicitor’s mission is to meet the legal service demands of the entire Department of Labor.

ssa.gov

The United States Social Security Administration is an independent agency of the U.S. federal government that administers Social Security, a social insurance program consisting of retirement, disability and survivor benefits

The Transportation Security Administration is an agency of the United States Department of Homeland Security that has authority over the security of transportation systems within, and connecting to the United States.

The United States Army Corps of Engineers is an engineer formation of the United States Army that has three primary mission areas: Engineer Regiment, military construction, and civil works

The United States Coast Guard is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services.

The United States Department of Agriculture is the federal executive department responsible for developing and executing federal laws related to farming, forestry, rural economic development, and food.

The United States Forest Service (USFS) is an agency of the U.S. Department of Agriculture that administers the nation's 154 national forests and 20 national grasslands. The Forest Service manages 193 million acres (780,000 km2) of land.

Every year, USGS provides science about the water, energy, minerals, and other natural resources we rely on, natural hazards that can threaten lives and property, the health of our ecosystems and environment, and the impacts of climate and land-use change. Check out these highlights of work that USGS did in 2022 to provide timely, relevant, and useful information about the Earth and its processes.

The United States International Trade Commission is an agency of the United States federal government that advises the legislative and executive branches on matters of trade. It is an independent, bipartisan entity that analyzes trade issues such as tariffs and competitiveness and publishes reports.

The United States Parole Commission is the parole board responsible for granting or denying parole to, and supervising the parole releases of, incarcerated individuals who fall under its jurisdiction. It is part of the United States Department of Justice

The United States Department of Veterans Affairs is a Cabinet-level executive branch department of the federal government charged with providing life-long healthcare services to eligible military veterans at the 170 VA medical centers and outpatient clinics located throughout the country

The California Department of Corrections and Rehabilitation is the penal law enforcement agency of the government of California responsible for the operation of the California state prison and parole systems. Its headquarters are in Sacramento

The California Department of Human Resources is the California government agency responsible for human resource management of state employees, including issues related to salaries and benefits, job classifications, training, and recruitment. It is part of the Government Operations Agency.

The OC Health Care Agency (HCA) is a regional interdisciplinary health jurisdiction and an accredited health department, charged with protecting and promoting individual, family and community health through partnership and coordination of public and private sector resources. Many of the HCA's services are preventative in nature and therefore are not readily apparent to the public. Some examples include food protection, monitoring the quality of ocean water, mental health services, alcohol and drug use services, communicable disease control, public health field nursing and public health clinics.

The California Department of Transportation is an executive department of the U.S. state of California. The department is part of the cabinet-level California State Transportation Agency. Caltrans is headquartered in Sacramento

Office of the Attorney General serves as legal counsel to all boards and agencies of state government, issues legal opinions when requested by the Governor, heads of state agencies and other officials and agencies as provided by Texas statutes, sits as an ex-officio member of state committees and commissions, and defends challenges to state laws and suits against both state agencies and individual employees of the State.

KBR, Inc. is a U.S. based company operating in fields of science, technology and engineering. KBR works in various markets including aerospace, defense, industrial and intelligence.