Premier One Improvements, Inc. is a window replacement and sliding glass door installer based in Anaheim, CA. Serving Orange County, Riverside County, and Los Angeles County, they specialize in custom entry doors, energy-efficient windows, patio sliders, and various door styles including iron, French, Dutch, and folding doors. Established in 2004, this family-owned company offers tailored solutions designed for each home, with over 25 years of combined experience in the industry. Their capabilities include custom iron door conversions with wrought iron inserts, providing both aesthetic appeal and functionality.

College Glass & Mirror Inc has been serving residential and commercial customers in Anaheim, CA since 1977. They offer a range of services including glass replacement, storefront repair and design, insulated window replacement, and shower enclosures. Their capabilities include storefront reglazing and dual pane window replacement. The company recently moved to a new facility in Orange, California, continuing their long history of providing quality glass and window solutions.