1937-1938 – Start of the Engine Plant. Start of activity.

1938 – Production of aircraft engines launched.

1944 – Engine Plant restructured to a state-owned company named WSK PZL Rzeszów S.A..

1952 - The forging plant started its operation as a part of WSK PZL Rzeszów S.A..

1994 – WSK PZL Rzeszów transformed into a joint-stock company, fully owned by the State. The company name changed to WSK “PZL – Rzeszów” S.A..

11 March 2002 – The State Treasury sells WSK PZL Rzeszów SA do  United Technologies Corporation (UTC).

01 June 2002 – The Metallurgical Plant established as a business unit of WSK PZL Rzeszów S.A..

24 November 2004 – The Metallurgical Plant transformed into a company named Zakład Metalurgiczny WSK Rzeszów Sp. z o.o..

16 March 2007 - WSK PZL Rzeszów SA sells the Metallurgical Plant to Mr Hugh Aiken.

29 September 2008 – ForgeX  Polska Sp. z o.o., a member of the ForgeX. Group, separates from ZM WSK Rzeszów Sp. z o.o..