Stowe Machine was founded in 1946 with a focus on serving the emerging aerospace industry. The company was acquired by Ladish Co., Inc. in 1997. Subsequently, in 1998, Ladish acquired Adco Manufacturing Company, also located in Connecticut. Adco Manufacturing was fully integrated into Stowe Machine during 1999.

Ladish again added to its machining capabilities with the acquisition of Valley Machining in 2006. Valley Machining is located near La Crosse, Wisconsin.