Names
- Saarinen, Eliel, 1873-1950.1
- Saginaw Valley and St. Louis Railroad Company.1
- Saginaw, Tuscola and Huron Railroad Company.1
- Saldern Logging Company.1
- Seaman & Webster.1
- Shay, Ephraim, 1839-1916.1
- Sleeper, Albert E., 1862-1934.1
- Solvay Process Company.1
- Soo Line Railroad Company.1
- South Haven and Eastern Railroad Company.1
- Southern Pacific Railroad Company.1
- Southern Railway (U.S.)1
- St. Clair Tunnel Company.1
- Staples & Covell.1
- Stoner, Claude Thomas, 1899-1977.1
- Stoner, Claude Thomas.1
- Sullivan, Louis H., 1856-1924.1
- Sykes, W. L.1
- Tau Sigma Delta1
- Tau Sigma Delta.1