Names
- Logansport and Toledo Railway Company1
- Long Island Railroad Company1
- Loud Bros.1
- Louis Sands Salt and Lumber Company (Manistee, Mich.)1
- Ludington and Northern Railway Company.1
- Mandolin Club (University of Michigan)1
- Manistee & Grand Rapids Railroad Company.1
- Manistee & Luther Railroad Company.1
- Manistee and Northeastern Railroad.1
- Manitou and Pike's Peak Railway Company.1
- Marquette and Southeastern Railway Company.1
- Marquette, Houghton and Ontonagon Railroad Company.1
- Mason and Oceana Railroad Company.1
- Masten, C. C.1
- Michigan Air Line Railroad Company.1
- Michigan Electric Railway Company.1
- Michigan Railway Company (1914-1921)1
- Michigan Southern and Northern Indiana Railroad Company.1
- Mineral Range Railroad Company.1
- Mitchell Bros. Company.1