Latrobe Foundry is a Latrobe, Pennsylvania-based manufacturer of aluminum pipe fittings, founded in 1933 by Louis C. Steiner. The company makes threaded and flanged fittings and has a history that includes custom aluminum castings and finish machining. After opening a Pasco, Washington facility in 2019, it was acquired by Genesys Industries in March 2024, and its three locations were incorporated into Genesys operations.