Rondy's Glass Service is a family-owned business in San Bernardino, CA, specializing in window replacement and sliding glass door installation. Established in 1962, they offer a range of glass services including patio doors, home showers, wardrobes, skylights, and custom glass cutting. Their expertise includes glass handrail systems and in-house glass replacement, serving both contractors and homeowners in the area.

WMB Windows & Doors is a family-owned window replacement company based in San Bernardino, CA. They specialize in premium vinyl replacement windows and sliding glass door installation, serving Orange, Los Angeles, Riverside, and San Diego counties. WMB Windows manufactures their own dual glazed, dual pane windows and doors in the USA, focusing on energy efficiency and durable, rigid frames designed to resist sagging. The company emphasizes green products and customer satisfaction in their service approach.