A material organization is one in which physical collections and exhibits are at the crux of the organizational mission. Organizations such as museums and zoos are examples of material organizations.
Category I
Flint Institute of Arts http://www.flintarts.org/
Grand Rapids Children's Museum http://www.grcm.org/
Great Lakes Shipwreck Museum http://www.shipwreckmuseum.com/
Krasel Art Center http://www.krasl.org/
Muskegon Museum of Art http://www.muskegonartmuseum.org/
Northwestern MI College Dennos Museum http://www.dennosmuseum.org/
Port Huron Museum of Arts and History http://www.phmuseum.org/
Saginaw Art Museum Inc http://www.saginawartmuseum.org/
Category II
Binder Park Zoo http://www.binderparkzoo.org/
College for Creative Studies http://www.ccscad.edu/
Detroit Historical Museums http://www.detroithistorical.org/
Detroit Science Center http://www.sciencedetroit.org/
Grand Rapids Art Museum http://www.gramonline.org
John Ball Zoo http://www.johnballzoosociety.org/
Kalamazoo Institute of Arts http://www.kiarts.org/
Michigan State University Museum http://museum.msu.edu/
Regents of University of MI/Museum of Art http://www.umma.umich.edu/
Category III
Cranbrook Educational Community http://www.cranbrook.edu/
Detroit Institute of Arts http://www.dia.org/
Detroit Zoological Institute http://www.detroitzoo.org/
Edison Institute http://www.thehenryford.org/
Museum of African American History http://www.maah-detroit.org/
Public Museum of Grand Rapids http://www.grmuseum.org/
West Michigan Horticulture Society Inc http://www.meijergardens.org/