Harry Diamond Laboratories

The U.S. Army Combat Capabilities Development Command Army Research Laboratory (DEVCOM ARL) is the U.S. Army's foundational research laboratory. ARL is headquartered at the Adelphi Laboratory Center (ALC) in Adelphi, Maryland. Its largest single site is at Aberdeen Proving Ground, Maryland. Other major ARL locations include Research Triangle Park, North Carolina, White Sands Missile Range, New Mexico, Graces Quarters, Maryland, and NASA's Glenn Research Center, Ohio and Langley Research Center, Virginia. ARL also has regional sites in Playa Vista, California (ARL West), Chicago (ARL Central), Austin, TX (ARL South), and Boston (ARL Northeast). DEVCOM ARL has three directorates: Army Research Office, located in Research Triangle Park Army Research Directorate Research Business Directorate

AEDC Hypervelocity Wind Tunnel 9 is a hypersonic wind tunnel owned by the United States Air Force and operated by National Aerospace Solutions The facility can generate high Mach numbers and high Reynolds for hypersonic ground testing and the validation of computational simulations for the Air Force and Department of Defense.

Hillandale is an unincorporated area and census-designated place located in Montgomery and Prince George's counties, Maryland, United States. As of the 2020 census, it had a population of 5,774. Hillandale is contained between the Prince George's / Montgomery County line to the east, the Anacostia River to the west, McCeney Avenue to the north, and D.C.'s Capital Beltway to the south. It borders the communities of Adelphi, Avenel, White Oak and Beltsville.

Buck Lodge Middle School (BLMS) is a public middle school in Adelphi, Maryland, United States. It is part of the Prince George's County Public Schools district. It is zoned for the High Point High School attendance area and has a mandatory uniform policy in effect.

The Naval Ordnance Laboratory (NOL) was a facility in the White Oak area of Montgomery County, Maryland. It is now used as the headquarters of the U.S. Food and Drug Administration.

The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food safety, tobacco products, caffeine products, dietary supplements, prescription and over-the-counter pharmaceutical drugs (medications), vaccines, biopharmaceuticals, blood transfusions, medical devices, electromagnetic radiation emitting devices (ERED), cosmetics, animal foods & feed and veterinary products. The FDA's primary focus is enforcement of the Federal Food, Drug, and Cosmetic Act (FD&C). However, the agency also enforces other laws, notably Section 361 of the Public Health Service Act as well as associated regulations. Much of this regulatory-enforcement work is not directly related to food or drugs but involves other factors like regulating lasers, cellular phones, and condoms. In addition, the FDA takes control of diseases in the contexts varying from household pets to human sperm donated for use in assisted reproduction. The FDA is led by the Commissioner of Food and Drugs, appointed by the President with the advice and consent of the Senate. The Commissioner reports to the Secretary of Health and Human Services. Robert Califf is the current Commissioner as of 17 February 2022. The FDA's headquarters is located in the White Oak area of Silver Spring, Maryland. The agency has 223 field offices and 13 laboratories located across the 50 states, the United States Virgin Islands, and Puerto Rico. In 2008, the FDA began to post employees to foreign countries, including China, India, Costa Rica, Chile, Belgium, and the United Kingdom.

Avenel-Hillandale was a Census-designated place in Montgomery and Prince George's Counties in Maryland during the 1970 United States Census. which consists of the communities of Avenel, Hillandale and Adelphi. The population in 1970 was 19,520. The census area reorganized to the present day CDPs of Hillandale and Adelphi in 1980. The ZIP codes serving the area are 20783 and 20903.

High Point High School (HPHS) is a public high school located in Beltsville, an unincorporated section of Prince George's County, Maryland, United States. The school, serving children in grades 9 through 12, is part of the Prince George's County Public Schools district system. It is outside Interstate 495 (Capital Beltway) and in proximity to Interstate 95.

The National Archives at College Park (also known as "Archives II") is a major facility of the National Archives and Records Administration of the United States which is located in College Park, Maryland. The facility serves as the primary base of operations for the bulk of the senior offices within the organization of the National Archives. The facility operates in tandem with the National Archives Building in Washington, D.C. which serves as the ceremonial headquarters of the National Archives in that this is where the Archivist of the United States maintains their primary office.

University of Maryland Observatory is an astronomical observatory owned and operated by the University of Maryland, College Park. It is located in College Park, Maryland, USA. The Observatory hosts free open houses for the public twice a month, where visitors receive a lecture and access to three of the Observatory's telescopes. The open houses begin at 9 PM from May to October, and at 8 PM from November to April. The Washington Post named the Observatory open houses one of its seven favorite weekend excursions to do in the Washington metropolitan area in 2009.

Saint Luke Institute (SLI) is a U.S.-based private, licensed mental health education and treatment facility that is based in Silver Spring, Maryland. SLI primarily serves Roman Catholic priests, permanent deacons, and consecrated men and women religious with depression, addictions, anxiety, trauma and stress-related disorders, personality disorders, interpersonal and boundary issues, and other mental health issues that may require clinical attention.SLI provides psychological evaluations, intensive outpatient therapy, continuing care, and consultation with religious leaders. Education is offered online and in-person. Saint Luke Center in Louisville, Kentucky, offers education, candidate assessments, and individual and group therapy.

Adelphi is an unincorporated area and census-designated place in Prince George's County, Maryland, United States. Per the 2020 Census, the population was 16,823. Adelphi includes the following subdivisions; Adelphi, Adelphi Park, Adelphi Hills, Adelphi Terrace, Adelphi Village, Buck Lodge, Chatham, Cool Spring Terrace, Hillandale Forest, Holly Hill Manor, Knollwood, Lewisdale, and White Oak Manor.