Joseph Brown

Hartzell Propeller, Inc. manufactures aircraft propellers and associated equipment for general aviation. It products include 2,3,4,5, and 6-bladed propellers for aircraft ranging from 160 to 2,180 hp. The company offers its products in corporate, general, regional, and sport aviation applications, as well as for agricultural, utility, military trainer, and research applications. The company was founded in 1917 and is located in Piqua, OH.

Mayday Manufacturing Co., Inc. manufactures precision machined components. Its products include bushings, pins, sleeves, flange flats, slots, grooves, notches, and tangs. The company was founded by Jim Nelson in 1966 and is headquartered in Denton, TX.

Experimental Aircraft Association, Inc. provides advice and support services to aviation industry. It also participates in the flying, building, and restoring of recreational aircrafts. The company was founded by Paul H. Poberezny on January 26, 1953 and is headquartered in Oshkosh, WI.

Tailwind Technologies, Inc. engages in the design and manufacture of aircraft propeller systems through its subsidiaries. The company was founded by James W. Brown Jr. in 1987 and is headquartered in Piqua, OH.