QHI Roofing Contractor serves San Bernardino, Upland, Rancho Cucamonga, Fontana, Rialto, Ontario, Chino, Pomona, Redlands and Jurupa Valley. Our professional roofing crews are on call to help install your new roof, help with roof replacement and roof repairs, or anything else roofing related. Categories: Roofing Contractor Keywords: Roofing contractor, roof repair, roofers, roof replacement, roofing companies, tile roofer, Business hours: Monday to Saturday, 9 am to 7 pm, Sunday. Closed