Established in 1850, John Hassall Inc. is based in Westbury, N.Y. It produces custom designed metal parts and fasteners. The company offers services, such as bar coding, custom packaging, manufacturing and value-added engineering. John Hassall Inc. caters to the needs of aerospace, defense, automotive, commercial/industrial and consumer products industries. It owns a 65,000 square feet factory. The companys capabilities include Domestic Manufacturing Facility, Computer-Aided Design (CAD), Cold Forming, Hot Forging, Tooling, Secondary Operations, NADCAP Certified Heat Treating, Statistical Process Control (SPC) and more.