Founded in 1985, Spectra Company specializes in protecting, preserving and restoring historical structures. Based in Pomona, Calif., the company specializes in waterproofing, concrete restoration, flooring, conservation, carpentry, ornamental woodwork, ornamental plastering, protective coating, metal restoration and bridge restoration. It has an expertise in seismic retrofit, demolition, abatement, designing, engineering and construction. Spectra Company has completed numerous projects, such as Village Fox Theatre, Hilton Checkers Hotel, Hoover Dam, Gamble House, Hotel Sofitel and Bonita High School. The company caters to historic, conservation, commercial, hospitality, residential and institutional projects.