- Miami University (Oxford, Ohio). Walter Havighurst Special Collections Library.1
- Michael Apartments (Petersburg, W. Va.)1
- Michael Baker, Jr., Inc.1
- Michele Kish School of Dance (Clarksburg, W Va. )1
- Michigan Historical Collections.1
- Mid-Atlantic Regional Archives Conference.1
- Milan Pharmaceuticals.1
- Miles Laboratories.1
- Mill Creek Saw Shop (Burlington, W. Va.)1
- Milton Bradley Company.1
- Milton Industrial Association (Milton, W. Va.)1
- Mineral County Advisory Committee (W. Va.)1
- Mineral County Historical Society (Keyser, W. Va.)1
- Miners Right to Strike Committee (W. Va.)1
- Mining Society of West Virginia University.1
- Mississippi Alluvial Valley Archeological Program.1
- Mobay Chemical Company.1
- Modern-Earthline Companies (Somerset, Pa.)1
- Mom International Association (Huntington, W. Va.)1
- Mon Valley Green Space Coalition (Morgantown, W. Va.)1
