Sundstrand Corporation was founded in 1926 as a merger of the Rockford Tool Company and Rockford Milling Machine Company in Rockford, Illinois. It was known as Sundstrand Machine Tool Company until 1959 when shareholders voted to change the name to Sundstrand Corporation.
Sundstrand was a manufacturer of aerospace and industrial products. Aerospace products included emergency power and secondary power systems, while industrial products included electric power generating systems, constant speed drives, and gas turbine engines.
In 1999, when United Technologies Corporation acquired Sundstrand, it merged with Hamilton Standard creating Hamilton Sundstrand.
On June 10, 1999, Hamilton Standard and the Sundstrand Corp. were merged, forming Hamilton Sundstrand.
In 2012, Hamilton Sundstrand was merged with Goodrich Corporation to form UTC Aerospace Systems.