Business Details
50+ Years
experience
Expert Metal Roofing & Sheet Metal Contractors
Since 1970, United Contractors has established itself as a leading architectural sheet metal specialist serving California. Founded in 1970 and incorporated in California in 1981, we specialize in the installation of aluminum, copper, zinc, and steel roofing and wall systems, complemented by architectural sheet metal flashing and trims. Our expertise extends to seismic expansion joints, roof and smoke hatches, skylights, louvers, and aluminum composite metal systems. Over five decades of experience have enabled us to complete nearly 100 annual projects spanning commercial, private, public works, and military sectors. Our portfolio includes iconic structures such as the Ontario Convention Center, California Speedway, and over 30 Outback Steakhouse locations across the state.Our in-house fabrication capabilities allow us to minimize lead times while meeting custom trim requirements through advanced equipment including two overhead cranes, a de-coiler line, auto folder, break press, CNC router, and plasma cutter. Partnering with our sister company Avenger Fab & Supply, Inc., we deliver comprehensive sheet metal solutions tailored to meet diverse architectural demands. Our commitment to quality installations and partnerships with top manufacturers like AEP Span, Berridge Manufacturing, and ALPOLIC ensures superior results for every project. With a fabrication shop spanning 18,000 square feet and portable roll formers for custom-length panels, we maintain precision and efficiency across all projects.
Services
Metal Roofing
Expansion Joints
Sheet Metal Fabrications
Louvers & Vents
ACM Installations
Details
- Year established: 1970
Highlights and features
- We offer 50+ years of architectural sheet metal expertise.
- Our in-house fabrication capabilities ensure precision and efficiency.
- We partner with leading manufacturers like ALPOLIC and Berridge.
- Our team handles complex commercial and military projects annually.
- We utilize advanced equipment for custom metal solutions.
Services
Expansion Joints
United Contractors installs pre-manufactured and in-house fabricated expansion joints ensuring structural stability. Our expertise includes Balco, Johns Manville, and Emseal systems. With precise engineering and professional installation, these joints accommodate movement in buildings while maintaining weather tightness across commercial and public infrastructure projects.
Metal Roofing
We specialize in complete metal roofing solutions including aluminum, copper, zinc, and steel systems. Utilizing manufacturers like Garland and McElroy Metal, our installations feature standing seam, corrugated, and stone-coated panels. Portable roll formers minimize waste while delivering custom-length panels for projects ranging from educational institutions to retail complexes.
Sheet Metal Fabrications
Our 18,000 sq ft fabrication shop produces custom flashings, gutters, and architectural trims. Advanced machinery handles materials up to 10-gauge steel. Partnering with Avenger Fab & Supply ensures comprehensive solutions for fascias, coping, and complex metal components across commercial and military construction projects.
Louvers & Vents
We install commercial louvers and ventilation systems from Ruskin, Airolite, and Construction Specialties. Our solutions provide optimized airflow for mechanical rooms and building exteriors. Options include aluminum and steel models in mill finish or pre-finished states, meeting diverse architectural and functional requirements.
ACM Installations
Our team installs ALPOLIC, ALUCOBOND, and Arconic aluminum composite panels for modern faades. Both wet and dry installation methods accommodate architectural specifications. This service meets contemporary design demands while ensuring durability across commercial buildings, educational facilities, and hospitality venues throughout California.
Questions
What services does United Contractors specialize in?
We specialize in architectural sheet metal solutions including metal roofing, expansion joints, louvers, ACM panel installations, and custom sheet metal fabrications for commercial and public projects.
How long has United Contractors been in business?
We've served California since 1970, incorporated as Risher Sutherland, Inc. DBA United Contractors in 1981 with over 50 years of industry experience.
What geographic areas do you serve?
Our primary service area covers California from the southern border regions through the Bay Area and Inland Empire regions.
Do you handle both commercial and residential projects?
We focus on commercial, public works, military, and institutional projects while occasionally handling specialized private sector work that matches our capabilities.
What manufacturing partnerships do you maintain?
We partner with leading manufacturers including ALPOLIC for ACM panels, Berridge for metal roofing, and Emseal for expansion joints to ensure material quality and system compatibility.
Can you handle custom sheet metal requirements?
Yes, our 18,000 sq ft fabrication shop with advanced equipment allows us to create custom flashings, trims, and architectural components to meet unique project specifications.
