German by birth; Cincinnati, Ohio, 1857-1859; France, 1860-c. 1867; Germany 1868-c. 1872; Baltimore, Maryland, 1872-1899.
From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). —
Father of Frank H. Niemann; with John Closs of Cincinnati, Ohio, 1857-1859; with Charles S. Barker in France, 1860-1862; with Aristide Cavaillé-Coll of Paris, France c. 1862-c. 1867; in France and Meppen, Germany c. 1868-c. 1872; in Baltimore, Maryland, 1872; succeeded by his son; firm closed c. 1908.
Staff: C. Louis Miller.