Hi Group, According to the Pierce Piano Atlas, 10th Edition:
"Stuyvesant Piano Company, New York 1884 - 147th St. Near Brooklyn Ave.
See Aeolian Corp. Aeolian American Corp. Est. 1932. Office at 584
Fifth Avenue, New York. Aeolian American controlled the following
piano names: Stuyvesant, Aeolian, Weber Piano & Pianola Co.
Est. 1903 Worcester, MA. The following companies were under their
control: Stuyvesant Piano Company."
According to Presto Buyers' Guide 1926 Ed.:
"One of the reliable popular pianos made by the great industry of the
Aeolian Weber Piano & Pianola Co. to which refer in Part Three. This
company controls the business of all of the following: Stuyvesant Piano
Jack M. Conway, Los Angeles, California, USA