Organizations based in the United States

The American Welding Society (AWS) was founded in 1919, as a non-profit organization with a global mission to advance the science, technology and application of welding and allied joining and cutting processes, including brazing, soldering and thermal spraying.

The International Cultic Studies Association (ICSA) is a non-profit anti-cult organization focusing on groups it defines as "cultic" and their processes.

The American Legion, Inc.

The National Association of Underwater Instructors (NAUI Worldwide) is a non-profit 501 (c) (6) association of scuba instructors.

The Giving Pledge is a campaign to encourage the wealthy people of the world to contribute their wealth to philanthropic causes.

The American Colonization Society (ACS) in full, The Society for the Colonization of Free People of Color of America, established in 1816 by Robert Finley of New Jersey, was founded by groups otherwise opposed to each other on the issue of slavery.

The Christian Research Institute (CRI) is an evangelical Christian apologetics ministry.

SAE International, initially established as the Society of Automotive Engineers, is a U.

The United States Geological Survey (USGS, formerly simply Geological Survey) is a scientific agency of the United States government.

The Institute for Creation Research (ICR) is a Creationist apologetics institute in Dallas, Texas that specializes in media promotion of the pseudoscientific creation science and interpretation of the Genesis creation narrative as a historical event.

The American Translators Association (ATA) was founded in 1959 and is now the largest professional association of translators and interpreters in the United States with more than 10,000 members in 90 countries.

The Songwriters Hall of Fame was founded in 1969 by songwriter Johnny Mercer and music publishers Abe Olman and Howie Richmond to honor those whose work represents a spectrum of the most beloved songs from the world's popular music songbook.

The Heritage Foundation is an American conservative think tank based in Washington, D.

The Committee for Skeptical Inquiry (CSI), formerly known as the Committee for the Scientific Investigation of Claims of the Paranormal (CSICOP), is a 1976 US based non-profit organization within the Center for Inquiry (CFI), a transnational American non-profit organization, "promotes science and scientific inquiry, critical thinking, science education, and the use of reason in examining important issues.

Conservation International (CI) is an American nonprofit environmental organization headquartered in Arlington, Virginia.

APICS is a professional association for supply chain management and a provider of research, education and certification programs.

The Committee for Human Rights in North Korea (HRNK), formerly known as the U.

The Corporation for National and Community Service (CNCS) is a U.

The American Israel Public Affairs Committee (AIPAC /ˈeɪpæk/ AY-pak) is a lobbying group that advocates pro-Israel policies to the Congress and Executive Branch of the United States.

The American Petroleum Institute (API) is the largest U.

The René Guyon Society was a possibly mythical American group that is said to have advocated sexual relationships with children.