Names
- Sass & Springsteen1
- Schwartz & Gross1
- Shampan & Shampan1
- Shattuck and Hussey1
- Smith, Hinchman, and Grylls, inc.1
- Smith, Morrell1
- Snyder, C. B. J., 1860-19451
- Sommerfeld & Steckler1
- South Amboy Terra Cotta Co1
- St. Louis Terra Cotta Co1
- Stanley & Scheibel1
- Stearns & Castor1
- Stoddart, W. L1
- Taylor, James Knox1
- Thomas, Andrew J (Andrew Jackson), 1875-19651
- Tilton, Edward L (Edward Lippincott), 1861-19331
- Tooker and Marsh1
- Townsend, Steinle & Haskell1
- Trumbauer, Horace, 1868-19381
- Walker and Weeks (Firm)1