Chambers Inc. dba Roof Construction is a commercial roofing contractor based in Escondido, CA. Founded in 1992, the company serves San Diego County and surrounding areas, specializing in complex commercial roofing projects including new construction, re-roofing, and tenant improvements. With over 38 years of experience, they employ trained roofers and use advanced equipment to handle public works and private sector roofing needs.

Alta Roofing & Waterproofing is a licensed roofing contractor serving San Diego, CA. Founded in 1989, the company has over 20 years of experience providing commercial and industrial roofing services, including roof installation, repair, maintenance, and waterproofing. They offer specialized services such as roof restoration, thermal inspection, and bird abatement. Alta Roofing & Waterproofing works with office buildings, homeowner associations, and industrial roofing systems. They provide emergency roofing services and extended payment plans.