- Sprout, Waldron & Co.1
- St. James Hotel1
- St. Louis Sash and Door Works1
- St. Paul Electric Co.1
- Stambaugh-Thompson Co.1
- Standard Oil Company1
- Standard Tool Co.1
- Standard Varnish Works2
- Standart Brothers, Limited1
- Star Clothing and Shoe Store1
- Star Sanitary Rag Co.1
- State Mining Bureau1
- Stecher Lithographie Co1
- Steele & Walker1
- Steele-Wedeles Company3
- Stern Brothers1
- Stewart & Sayre1
- Stewart Iron Works Company1
- Stiefel, Juhn & Cohen1
- Stilwell-Bierce & Smith-Vaile Co.1
- Stoutenburgh & Co.1
- Stratton & Terstegge Co.1
- Strobel & Wilken1
- Stroudsburg Woolen Mills1
- Strouse & Brothers1
- Sullivan-Markley Hardware Company1
- Sunny Brook Distillery Co.2
- Swan-Whitten-Bickford Company1
- Swindell Bros.2
- Syracuse Glass Co.1
- T. & J. W. Gaff & Co.1
- T. A. Rodefer National Glass Works1
- T. C. Lyman & Co.2
- T. H. Riddle Construction Company1
- T. Myers1
- T. Peck & Co.1
- T. R. Thomas & Co.1
- Tappan Shoe M'F'G Co.1
- Tarrant & Company1
- Tatham & Brothers1
- Taylor Brothers1
- Taylor, Symonds & Co.2
- Tegen & Wiebke Company2
- Thaddeus Davids & Co.3
- Theo. P. Huffman & Co.1
- Theodor Kundtz1
- Theodore H. Bell1
- Third National Bank2
- Thomas C. Jenkins3
- Thomas Kitson & Son1
- Thomas Long Company1
- Thomas Manufacturing Co.1
- Thomas P. Beals Co.1
- Thomas Page Milling Company1
- Thompson & Norris Company2
- Thompson, De Hart & Co.1
- Thomsen Chemical Company2
- Thos. B. Adams & Co.1
- Thos. F. Condon & Co.1
- Thos. M. Holt1