Arlington County Fire Department

US Post Office-Arlington is a historic post office building located in the Clarendon neighborhood of Arlington, Virginia. It was designed and built in 1937, and is one of a number of post offices designed by the Office of the Supervising Architect of the Treasury Department under Louis A. Simon. The building is a one-story, pentagonal shaped brick building in the Georgian Revival style. Atop the entrance portico is a dome that rises above the buildings flat roof and is supported by four fluted limestone piers. The interior features murals by Auriel Bessemer picturing Native Americans on Analostan Island, Captain John Smith and the Native Americans, tobacco picking by the Lee mansion, Robert E. Lee receiving his Confederate commission in Richmond, a picnic at Great Falls, polo players at Fort Myer, and a contemporary harvest at an apple orchard.It was listed on the National Register of Historic Places on February 7, 1986.

The Leadership Institute is a 501(c)(3) non-profit organization located in Arlington, Virginia that teaches "political technology."The institute was founded in 1979 by conservative activist Morton Blackwell. Its mission is to "increase the number and effectiveness of conservative activists" and to "identify, train, recruit and place conservatives in politics, government, and media."The Leadership Institute offers 44 types of training seminars at its Arlington headquarters, around the United States, and occasionally in foreign countries. In 2014, the Institute trained 18,182. Since its 1979 founding, the Leadership Institute has trained more than 161,271 students. Alumni include Grover Norquist, Ralph Reed, Jeff Gannon, Senator Mitch McConnell, Vice-President Mike Pence, James O'Keefe, new members of the 113th Congress, and elected officials in all 50 states.

Clarendon station is a side platformed Washington Metro station in the Clarendon neighborhood of Arlington, Virginia, United States. The station was opened on December 1, 1979, and is operated by the Washington Metropolitan Area Transit Authority (WMATA). The station serves the Orange and Silver Lines. Over 4,000 commuters use Clarendon station every day.

The Institute for Law, Science and Global Security in the Department of Government at Georgetown University was established to promote teaching and research in the area of intersection between international law and international relations. The Institute sponsors undergraduate and graduate courses and runs a Master's Program in International Law and Global Security. The Institute seeks to inform the public policy debate about the nature, role and importance of international law as it connected to issues of science and global security. To this end, it sponsors a series of specific programs including the Program on Non-Proliferation Law and Policy, which is jointly run with the James Martin Center of the Monterey Institute of International Studies. Most recently, the Institute has begun a special initiative in the area of cyber security. Among the participants in this initiative have been former Director of the Central Intelligence Agency General Michael Hayden, Siobhan Gorman, national security correspondent of The Wall Street Journal, and Suzanne Spaulding, former General Counsel for the Senate Select Committee on Intelligence. Since its creation, the Institute has also sponsored events with a variety of other speakers, including Paul D. Clement, former Solicitor General of the United States, Bill Richardson, the Governor of New Mexico, Neal Katyal, Deputy Solicitor General of the United States and legal counsel to former detainee Salim Hamdan, and David H. Remes, a former partner at Covington & Burling and currently representing detainees in the Guantanamo Bay detention camps. The Institute was founded by Professors Christopher C. Joyner and Anthony Clark Arend, and was initially called The Institute for International Law and Politics. It is currently directed by Professor Joyner, and Professor Catherine Lotrionte serves as the Associate Director of the Institute. Amit Yoran, former Chief of the National Cyber Security Division at the Department of Homeland Security and Phillip A. Karber serve on the Board of Advisers of the Institute. From 2007 to 2009, Brendan P. Geary—previously an Associate Attorney at Gibson, Dunn & Crutcher LLP and currently an Attorney in the Department of Justice's National Security Division—served as the Institute's William V. O'Brien Fellow.

Clarendon is an urbanized, upper-class neighborhood in Arlington County, Virginia, located between the Rosslyn area and the Ballston area. It was named after Edward Hyde, 1st Earl of Clarendon, a leading statesman and historian of the English Civil War. The main thoroughfares are Wilson Boulevard (one-way westbound) and Clarendon Boulevard (one-way eastbound).

Little Saigon is the Vietnamese ethnic enclave in the Clarendon neighborhood of Arlington, Virginia, which served the large refugee population that immigrated after the Fall of Saigon on April 30, 1975. One of many Little Saigons in the U.S., this neighborhood near Washington, D.C., became a hub of Vietnamese commerce and social activity, and reached its peak during the late 1970s to the early 1980s. The opening of the Clarendon station on the Washington Metro's Orange Line led to new development, generating higher rents, and businesses closed or relocated, notably to the nearby Eden Center.

The Antonin Scalia Law School (previously George Mason University School of Law) is the law school of George Mason University, a public research university in Virginia. It is located in Arlington, Virginia, roughly 4 miles (6.4 km) west of Washington, D.C., and 15 miles (24 km) east-northeast of George Mason University's main campus in Fairfax, Virginia. U.S. News & World Report ranks the school 30th among American law schools, and it is the 3rd-highest-ranked law school in the Washington metropolitan area, behind Georgetown University Law Center and George Washington University Law School. In 2017, the school had 525 students in its J.D., LL.M., JD/MBA, and JD/MPP programs. The median LSAT score among incoming J.D. students in 2020 was 164 and the median GPA was 3.78. The passage rate for first-time takers of the Virginia bar exam in July 2020 was 95%, fifth among Virginia's eight law schools.

The Schar School of Policy and Government is a constituent college of George Mason University in Arlington, Virginia. Established in 2000 as northern Virginia's first public policy school, the school offers undergraduate degrees in international relations, public policy, public administration, and international security, along with master's and doctoral programs of study, to include specialized fields of study in biodefense and international commerce, as well as executive education programs. While it primarily educates and conducts research in subjects related to politics, government, international affairs, and economics, as well as study of regional issues affecting the Washington D.C. metropolitan area, the school is home to several prominent centers and institutes, including the Michael V. Hayden Center and the Center for Security Policy Studies. The school is also the psephology partner of The Washington Post, collaborating on electoral polling and analysis for the paper since 2016, the two hold an A+ rating for historical accuracy and methodology in polling from FiveThirtyEight.The school's primary campus is in the Virginia Square neighborhood of Arlington, Virginia, with the headquarters in Van Metre Hall. Undergraduate programs offered by the school are primarily held at the university's flagship campus in Fairfax, Virginia, with night school offerings in both Arlington and Fairfax. In 2013, political scientist Mark J. Rozell became Acting Dean, taking over the role in a permanent capacity in 2016. During his tenure the school has averaged 80 faculty and a student body of approximately 2,000. The school completed the 244,000 sq ft academic headquarters, Van Metre Hall, in 2010. In 2020 the school began a $250 million expansion directly adjacent, as part of the Commonwealth of Virginia's bid to locate Amazon HQ2 in the nearby National Landing neighborhood. The Schar School is accredited by the Network of Schools of Public Policy, Affairs, and Administration, and is an affiliate member of the Association of Professional Schools of International Affairs (APSIA), a global consortium of prominent schools of international affairs. As part of George Mason University, the school is a Very High Research Activity (R1) academic unit in the Carnegie Classification of Institutions of Higher Education. It receives approximately $2 million in sponsored funding for academic research annually. The school's budget was $18 million for the 2019–2020 academic year.

The Michael V. Hayden Center for Intelligence, Policy, and International Security (Hayden Center) is a think tank in Arlington, Virginia focused on intelligence and national security policy through shared experiences of senior intelligence service leaders, military officers, elected officials, journalists, and academics. It is housed within the Schar School of Policy and Government at George Mason University.

The Institute for Humane Studies (IHS) is a libertarian non-profit organization that engages with students and professors throughout the United States. IHS offers educational and career programs, holds seminars and on-campus programs for university students, awards scholarships, provides mentoring and research grants for aspiring professors, and sponsors a collection of online videos.Founded by F. A. "Baldy" Harper in 1961, the organization later began an association with George Mason University and in 1985 moved to Fairfax, Virginia. The institute is currently located at 3434 Washington Blvd. on the Arlington campus of George Mason University. It is partially funded by the Koch family foundations and was characterized by the Center for Public Integrity as part of the Koch brothers' "mission to spread their libertarian message".

The Crossing Clarendon, formerly Market Common Clarendon, is an outdoor mixed-use development featuring retail, restaurants, and residential buildings located along Clarendon Boulevard in the Clarendon neighborhood of Arlington, Virginia. The complex was developed by McCaffery Interests, and opened in November 2001. The center features stores for fashion, electronics, groceries (Whole Foods Market), and dining. It is a few blocks away from both Clarendon Metrorail station and the Courthouse neighborhood of Arlington. TIAA-CREF bought Market Common Clarendon from McCaffery in 2002. In 2016, Regency Centers and AvalonBay Communities bought the complex for $406 million. In 2021, Regency renamed it The Crossing Clarendon.

The Mercatus Center at George Mason University is a libertarian non-profit free-market-oriented research, education, and outreach think tank founded by Koch Industries executives and directed by Tyler Cowen. It works with policy experts, lobbyists, and government officials to connect academic learning and real-world practice. Taking its name from the Latin word for "market", the center advocates free-market approaches to public policy. During the George W. Bush administration's campaign to reduce government regulation, the Wall Street Journal reported, "14 of the 23 rules the White House chose for its 'hit list' to eliminate or modify were Mercatus entries".According to the 2017 Global Go To Think Tank Index Report (Think Tanks and Civil Societies Program, University of Pennsylvania), Mercatus is number 39 in the "Top Think Tanks in the United States" and number 18 of the "Best University Affiliated Think Tanks". The Koch family has been a major financial supporter of the organization since the mid-1980s. Charles Koch serves on the group's board of directors.