Association of Children’s Museums (ACM)
In an increasingly complex world, children’s museums provide a place where all kids can learn through play and exploration with the caring adults in their lives. There are approximately 400 children’s museums around the world, which annually reach more than thirty-one million visitors. ACM provides leadership, professional development, advocacy and resources for its member organizations and individuals. To learn more about ACM and to find an ACM-member children’s museum near you, visit www.ChildrensMuseums.org.

American Public Gardens Association (APGA)
Founded in 1940 as the American Association of Botanical Gardens and Arboreta, the American Public Gardens Association (APGA) adopted a new name in 2006. Over the last six decades, the APGA has emerged as the premiere association for public gardens in North America. Today, APGA's 500 member institutions are located in all 50 states, the District of Columbia, Canada and seven other countries. The Association's individual members live in every state, the District of Columbia, Canada, and 24 other countries.

The APGA is committed to increasing the knowledge of public garden professionals throughout North America through information sharing, professional development, networking, public awareness, and research so they have the tools to effectively serve visitors and members. For more information, visit www.publicgardens.org.

American Alliance of Museums (AAM)
The American Alliance of Museums has been bringing museums together since 1906, helping to develop standards and best practices, gathering and sharing knowledge, and providing advocacy on issues of concern to the entire museum community. With more than 18,000 individual, 3,800 institutional and 300 corporate members, AAM is dedicated to ensuring that museums remain a vital part of the American landscape, connecting people with the greatest achievements of the human experience, past, present and future. For more information, visit www.aam-us.org.

American Association for State and Local History (AASLH)
AASLH has provided leadership and support for its members who preserve and interpret state and local history in order to make the past more meaningful to all Americans since 1940. AASLH is the only national association dedicated to the uniqueness of history organizations and the specific challenges of collecting, preserving, and interpreting history. Our membership includes over 6,000 individuals and institutions from rural communities, urban sites, small historical societies, and large history centers across the United States. For this diverse membership, AASLH offers programs and services that meet members’ needs while progressively advancing the goals and standards of the field of state and local history. From its headquarters in Nashville, Tennessee, AASLH is proud to provide a home for those who work and volunteer in the field of state and local history. For more information, visit www.aaslh.org.

The Association of African American Museums (AAAM)
The Association of African American Museums (AAAM) is a non-profit member organization established to support African and African American focus museums nationally and internationally, as well as the professionals who protect, preserve and interpret African and African American art, history and culture.

Established as the single representative and principal voice of the African American museum movement, the Association seeks to strengthen and advocate for the interests of institutions and individuals committed to the preservation of African-derived cultures.For more information, visit http://blackmuseums.org

Association of Art Museum Directors (AAMD)
The Association of Art Museum Directors, representing 242 art museum directors in the US, Canada, and Mexico, aids its members in establishing and maintaining the highest professional standards for themselves and the museums they represent. It serves as a forum for the exchange of information and the exploration of ideas, and as a voice with which museum directors may express their joint concerns and those of their institutions. Since its founding in 1916, AAMD has played a leading role in helping to define the best practices for its members and for the art museum community as a whole. An important component of this work is the publication of AAMD’s Professional Practices in Art Museums, first adopted in 1966, most recently updated in 2011. This document provides a framework for museums to make informed and responsible decisions regarding their institutional management. Further information about AAMD’s professional practice guidelines and position papers is available at www.aamd.org.

Association of Nature Center Administrators (ANCA)
Founded in 1989, the Association of Nature Center Administrators is a private non-profit organization dedicated to promoting and supporting best leadership and management practices for nature and environmental learning centers. Serving more than 600 members, ANCA is the leader in the profession. For more information, visit http://natctr.org

Association of Science-Technology Centers (ASTC)
The Association of Science-Technology Centers (ASTC) is a global organization providing collective voice, professional support, and programming opportunities for science centers, museums, and related institutions, whose innovative approaches to science learning inspire people of all ages about the wonders and the meaning of science in their lives. Through strategic alliances and global partnerships, ASTC strives to increase awareness of the valuable contributions its members make to their communities and the field of informal STEM learning. Founded in 1973, ASTC now represents over 650 members in nearly 50 countries, including not only science centers and museums, but also nature centers, aquariums, planetariums, zoos, botanical gardens, and natural history and children’s museums, as well as companies, consultants, and other organizations that share an interest in informal science education. For more information about ASTC, or to find a science center near you, visit www.astc.org.

Association of Zoos and Aquariums (AZA)
Founded in 1924, the Association of Zoos and Aquariums is a nonprofit organization dedicated to the advancement of zoos and aquariums in the areas of conservation, animal welfare, education, science, and recreation. AZA is the accrediting body for the top zoos and aquariums in the United States and six other countries. Look for the AZA accreditation logo whenever you visit a zoo or aquarium as your assurance that you are supporting a facility dedicated to providing excellent care for animals, a great experience for you, and a better future for all living things. The AZA is a leader in saving species and your link to helping animals all over the world. To learn more, visit www.aza.org.