From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991; rev. ed., 1997, with updated information). —

Established by Gustav F. Treu in St. Louis, Missouri, c. 1906-
1908 succeeding Henry Jáschke firm of St. Louis, Missouri;
firm continued by Edwin G. Treu, Mary S. Treu, and Melvin
E. Treu; last listed in 1966.

Sources:

• The Tracker 40:3 19.


• The Diapason, March 1917, 16.


• Piano and Organ Purchaser’s Guide, Purchaser’s Guide to the Music Industries, (New York: Music Trades).