Description Griffon has its talons in a number of businesses. Its largest, Clopay Plastic Products, develops and produces thin-gauge embossed and printed films, used in infant diapers, adult incontinence products, medical gowns, and surgical drapes. A Home & Building Products segment makes residential and commercial garage doors (Clopay Building) and lawn and garden tools (Ames True Temper). Home Depot is a big customer. Clopay units are part of subsidiary Clopay Corp. Information, communication, and sensor systems, made by Telephonics, are sold to the US Department of Defense and Homeland Security, other government agencies, and defense contractors, such as Lockheed Martin and Boeing. The US represents about 70% of sales.