JamesBrey Business Overview Griffon Corporation (NYSE:GFF) is a diversified management and holding company that operates through Home & Building Products [HBP] and Consumer & Professional Products [CPP]. Their customers are mass merchandisers from home centres and distributors such as Home Depot (HD), Lowe's (LOW), etc. Under HBP, GFF conducts its business through Clopay, one of North America's largest producers of garage doors and rolling steel doors. CPP is a worldwide supplier of branded consumer and pro ...