Names
- Monongahela Railway Company1
- Moore, Park & Sharp.1
- Mount Washington Railway Company.1
- Munising Railway Company.1
- Muskegon, Grand Rapids and Indiana Railroad Company.1
- Nahma & Northern Railroad.1
- New York Central Railroad Company1
- Norfolk and Western Railway Company.1
- North Park Railway Company.1
- Northern Central Railway Company1
- Northern Michigan Traction Company.1
- Ohio and Michigan Sand and Gravel Company.1
- Paris & Pere Marquette River Railroad Company.1
- Peerless Portland Cement Company.1
- Penn Central Transportation Company.1
- Pennsylvania Company1
- Pennsylvania Railroad Company1
- Pennsylvania-Reading Seashore Lines1
- Pere Marquette Line Steamers.1
- Pere Marquette Railroad Company1