- American Stereoscopic Company2
- Bell & Bro. (Washington, D.C.)6
- E. & H.T. Anthony (Firm)4
- Langenheim, Frederick, 1809-18791
- Langenheim, Loyd & Co.2
- Langenheim, William, 1807-18741
- Loyd, William1
- Rice, Moses P. (Parker), 1839-19251
- Seeley & Murphy1
- Stacy, George, 1831-18971
- Waldsmith, Robert, 1913-19932