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The American National Standards Institute oversees standards and conformity assessment activities in the United States. 

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The American National Standards Institute oversees standards and conformity assessment activities in the United States.

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What does it take to solve a problem affecting one-third of humanity? For 3.4 billion people who lack access to basic sanitation, the answer required global collaboration, innovative engineering — and an international standard.

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ANSI by The Numbers

1,432

Members

234

ANSI-Accredited Standards Developers

14,070

American National Standards

245

ISO - U.S. Technical Advisory Groups

175

IEC - U.S. Technical Advisory Groups

93

U.S.-Administered ISO Secretariats

27

U.S.-Administered IEC Secretariats

96

U.S.-Held ISO Chairs

33

U.S.-Held IEC Chairs

ANSI WELCOMES NEW MEMBERS

ANSI proudly welcomed 8 new members in March 2026.