Specializing In Architectural Metal Roofing & Sheet Metal


We are an architectural sheet metal company engaged in the installation of aluminum, copper, zinc and steel roofing and wall systems, as well as, architectural sheet metal flashing and trims. Additionally, we install seismic expansion joints, roof and smoke hatches, skylights, louvers and aluminium composite metal. Established in 1970 and incorporated in the state of California in July of 1981, our work stretches from the southern border to beyond the bay.


Key projects by United Contractors include Center For The Arts in Escondido, The California Speedway in Fontana, The Ontario Convention Center, Emergency Operations Center in Los Angeles, Port of Entry in Calexico, Hall of Justice in Riverside, Warner Center in the San Fernando Valley, Union Bank of California in Big Bear, Arlington High School in Riverside, Heritage Intermediate School in Fontana and approximately 30 Outback Steakhouse Restaurants throughout the state of California. Annually, we average nearly 100 jobs in commercial, private, public works and military projects.


We fabricate nearly all of our sheet metal items in-house allowing us to minimize lead times and meet custom trim requirements. We also roll both straight and curved metal roof panels. Our portable roll formers (Berridge SS-14 and Knudson kr-12c) allow full-length panels for custom jobs, minimize waste, and shorten lead times. Our shop consists of nearly 18,000 square feet under roof. We utilize: Two Overhead Cranes, 48" De-Coiler / Slit & Cut to Length Line, 21' Auto Folder (Up to 16 GA.), 15' Break Press (Up to 10 GA.), 14' Shear (Up to 10 GA.), 10' Roto-Die, 10' Hand Break, Lock Formers, Punch, Notcher, Welding Machines, CNC Router and Plasma Cutter.