Mather House

Matilda Joslyn Gage Foundation

Matinecock Masonic Historical Society

Mattituck Historical Society 

Maybrook Railroad Museum

Mayfield Historical Society

McClurg Museum

McGraw Historical Museum

MClintock House

Mechanicville Historical Society

Medina Historical Society

Medina Railroad Museum

Memorial Art Gallery of the University of Rochester

Memorial Day Museum

Mennonite Heritage Farm

Mercer Gallery at Monroe Community College

Merchants House Museum

Metropolitan Historic Structures Association

Metropolitan Museum of Art

Metropolitan Peace Museum

Mexico Historical Society and Museum

Michael C. Rockefeller Arts Center Gallery

Middlebury Historical Society

Middletown Historical Society

Mid-Hudson Childrens Museum

Military Vehicle Museum of Greater Rochester

Millard Fillmore House

Millbrook School, Trevor Zoo

Miller Place-Mount Sinai Historical Society

Milton J. Rubenstein Museum of Science and Technologyerva Historical Society

Minisink Valley Historical Society

Minna Anthony Commons Nature Center At Wellesley State Park

Miriam & Ira D Wallach Art Gallery

MiSci (Museum of Innovation and Science)

Mohawk Valley Historic Associationey Museum

Mohonk Preserve Inc.

MoMA PS1

Monroe Historical Society

Montauk Historical Society

Montauk Point Lighthouse Museumgomery Academy

Montgomery County, Heritage and genealogical Society of Old Court House Railroad St.

Montgomery Place

Morehouse Historical Museum

Moriches Bay Historical Society

Morris Historical Societyl Mansion

Morrison Hall

Morristown Foundation

Morristown Gateway Museum

Motorcyclepedia Museum

Mount Arab Masonic Historical Societyt Gullian Historic Site

Mount Kisco Historical Society

Mount Lebanon Shaker Village

Mount Morris Historical Society

Mount Nebo Gallery/Will Moses

Mount Pleasant Historical Societyount Vernon Hotel Museum and Garden

Mountain Top Historical Society of Greene County

Mt. Beacon Incline Railway

Mulford House and Farm 

Municipal Art Society

Munson-Williams-Proctor Institute Museum of Art

Murray-Holley Historical Society

Museum 540

Museum Association of New York

Museum at the Fashion Institute

Museum for African Art

Museum for Preservation of Illustrative Art

Museum of American Financial History

Museum of Arts and Design

Museum of Asian Art

Museum of Automobile History

Museum of Biblical Art

Museum of Black History and Culture

Museum of Borough of Brooklyn

Museum of Ceramic Art of New York

Museum of Chinese in Americas

Museum of Courtship, Love and Marriage

Museum of Curiosities

Museum of European Art

Museum of Humanities

Museum of Hunting and the Horse

Museum of Jewish Heritage - A Living Memorial to the Holocaust

Museum of Migrating People

Museum of Military Miniatures

Museum of Modern Art

Museum of of Comic & Cartoon Art

Museum of Prints and Printmaking

Museum of Rhinebeck History

Museum of Sex

Museum of the Bedford Historical Society

Museum of the City of New York

Museum of the Earth

Museum of the Historical Society of Early

Museum of the History of Charlotteville

Museum Of The Mikveh

Museum of the Moving Image

Museum of the Village of Rockville Centre

Museum of Women, The Leadership Center

Museum of Writing Instruments

Museum Village

Museums of Saratoga

Musical Museum

Musical Museum of Deansboro