Ohio Museums Association, Columbus, Ohio (State Associations)
Founded in 1976 by members of the Ohio's museum community, the Ohio Museums Association (OMA) works with a variety of museums, museum professionals and providers of museum services to strengthen the state's museum, foster excellence in the field and support the museum community. The Ohio Museums Association serves the diverse Ohio museum community by providing a forum for support and communicatio...

Oklahoma Museums Association, Oklahoma City, Oklahoma (State Associations)
The Oklahoma Museums Association exists to assist museums with their efforts to educate, inform and entertain.

Oregon Museums Association, Portland, Oregon (State Associations)
Founded in 1976, the Oregon Museums Association (OMA) is a non-profit membership organization that provides resources and services to over 200 museums, cultural institutions and associated professionals throughout Oregon. The OMA serves as an advocate for museums who actively promote the collection, preservation, exhibition, and interpretation of artistic, historic, scientific and cultural materia...