Pratt & Whitney AeroPower Rzeszów is a leader in the field of design, assembly and repairs of APUs (Auxiliary Power Units).  The Rzeszów factory was officially registered under the name Hamilton Sundstrand Poland Sp. z o.o. (HSP) on 8 December 2009. Recently, the company has changed its name from Hamilton Sundstrand Poland to the current one.

Pratt & Whitney is one of four businesses that form Raytheon Technologies Corporation. Headquartered in East Hartford, Connecticut, the business has 43,000 employees globally and in 2019 had net sales of $21 billion.