Marcus and Co.
London, Palm Beach, Paris, Yew York
- Herman Marcus departed Germany for New York c. 1850s.
- Tiffany & Co.
- Ball, Black and Company.
- Theodore B. Starr – Starr and Marcus.
- Partnered with his son William.
- Marcus & Company.
- Created Diamond Jewelry.
- Plique-à -Jour enamel in the Art Nouveau Style.
- Flower Brooches.
- Merged with Black, Starr & Frost.