• The Eisenhower National Clearinghouse for Science and Mathematics (ENC)
• The Math Forum
• National Engineering Education Delivery System (NEEDS). Also now the Science Mathematics Engineering and Technology Education Portal (SMETE)
• The American Mathematical Society (AMS)
• The Mathematical Association of America (MAA)

OTHER AFFILIATIONS . . .

The following organizations are affiliated with the effort to develop mathematics metadata in the US.

• The Society for Industrial and Applied Mathematics (SIAM)