Geiser Manufacturing Company was an early manufacturing company in Waynesboro, Pennsylvania, USA. Geiser Manufacturing was incorporated in 1869 by Peter and Daniel Geiser. The company built grain separators, threshers, plows, and steam traction engines. The company's brand name was Peerless. The main building was 334ft long and 3 stories in height, and had a 34ft cupola. In January 1891 its total monthly payroll amounted to over 10,000 US dollars ($239500 in 2010 dollars) and employed 162 people.