Boston, MA 1848-1872 Jeweler and watchmaker.
John Henry Ives
Fairport, NY c. 1840-1889 Jeweler.
Augustus B. Ingols
Chicago, IL 1856-1859 and Denver, CO 1860-1884
Manufacturing and retail jeweler.
Insull & Crabb
New Haven, CT 1910-1921
John C. Insull and Frederick G. Crabb, jewelers.
Successors to C.J. Monson, Jr. & Co.
Insull died in 1921 and the firm was succeeded by F.J. Crabb & Co.