- McSweeney, David1
- Miller, Joe, d.20031
- Miller, Mark (Virginia Center for Innovative Technology)1
- Mine Hill and Schuylkill Haven Railroad Company1
- Morris, Henry M., 1918-20061
- Moyer, Albert E. (Albert Earl), 1945-20001
- Mullins, Nicholas C.1
- New Farmers of America. Maryland Association1
- New Jersey Zinc Company1
- Norfolk and Western Railway Company (1896-1982)2
- Norris, Earle B. (Earle Bertram), 1882-19661
- Ottinger, C. Wayne, 1933-1
- Page, Thornton L., 1913-19961
- Pandapas, James J.1
- Pardue, Louis Arthur, 1900-19631