Allis Chalmers Corporation is a company that specializes in manufacturing machinery for various industries. The company has a rich history dating back to the 19th century, with a focus on developing products such as flour milling equipment, pumps, stationary steam engines, mining equipment, boilers, and rock crushers. Through mergers and reorganizations, Allis Chalmers evolved into a prominent entity in the machinery manufacturing sector. The company's core services include providing parts and services, hosting tractor shows, and offering a platform for enthusiasts through the Unofficial Allis Store. Allis Chalmers is deeply rooted in the industrial history of Milwaukee, Wisconsin, where it established its factory and operated for over 80 years.