Names
- Norfolk and Western Railway Company.1
- North Park Railway Company.1
- 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
- Pennsylvania Railroad.1
- Penrod, John.1
- Penrod/Hiawatha Company.1
- Percy Jones Hospital (Battle Creek, Mich.)1
- Pere Marquette Line Steamers.1
- Pere Marquette Railway.1
- Pontiac, Oxford and Northern Railroad Company.1
- Port Huron and North Western Railway Company.1
- Renaissance Center (Detroit, Mich.)1
- Republican National Convention (32nd : 1980 : Detroit, Mich.)1
- Rio Grande Southern Railroad.1
- Saginaw Valley and St. Louis Railroad Company.1
- Saginaw, Tuscola and Huron Railroad Company.1
- Saldern Logging Company.1