Browse the Top 2 Window & Door Companies Serving Columbia, SC

Southern Siding & Window specializes in high-quality home improvement solutions, including replacement windows, vinyl siding, gutter protection, and attic insulation. Established in 1967, we serve Southeastern homeowners with USA-made products, lifetime warranties, and personalized service. Our commitment to excellence is supported by 58+ years of experience, in-house financing, and a proven track record of 240,000+ satisfied customers.

Omni Glass Industries specializes in designing and manufacturing high-quality fiberglass components for windows and doors. With over 35 years of expertise, we utilize advanced pultrusion technology and proprietary engineering methods to produce durable, energy-efficient products that meet strict industry standards. Our solutions prioritize thermal insulation, structural integrity, and environmental sustainability, making them ideal for residential and commercial applications.