Multiple Glass and Fenestration Firms Named as America’s Fastest-Growing Private Companies

Inc. revealed its annual list of America’s Fastest-Growing Private Companies, and the glass industry is well represented. Companies included in the 2025 Inc. 5000 list were ranked according to percentage revenue growth from 2021 to 2024. They must be United States-based, privately held, for-profit and independent, not subsidiaries or divisions of other companies.

According to Inc. officials, the median revenue growth of the top 500 companies was 1,552%, the median revenue growth was 169% and the median 2024 revenue was $12.4 million. Multiple glass companies, with three-year revenue growth ranging from 52% to 403%, join the ranks of the top private companies in the U.S.

“Our commitment to innovation and customer satisfaction is what sets us apart,” says Kevin Blansett, CEO of Quaker Windows & Doors, which was named to the list for the third time. The company reported a three-year growth rate of 52%. “This recognition is a testament to the hard work and dedication of our entire team. Our growth and success are driven by the passion we bring to every project.”

Topping the charts for the glass industry was Skyview Detroit, a luxury outdoor living contractor in the metro Detroit area, specializing in residential and commercial solutions, including offering various glass systems. This is Skyview’s second time on the list. It reported a three-year growth rate of 403%.

Also making the list were:

• GlassTemp (Provides fabricated and tempered products, including flat, insulating and laminated glass and mirror products, to the glass and glazing industry). Second time on the list. Reported 144% three-year growth. Based in Illinois.

• American Shower Glass (A shower glass company offering custom, frameless shower doors and enclosures for homeowners and contractors in West and Central Florida). First time on the list. Reported 129% three-year growth. Based in Tampa.

• Architectural Fabrication (A manufacturer and installer of commercial aluminum canopies, metal awnings and sunshades). Seventh time on the list. Reported 120% three-year growth. Based in Texas.

• JKR Windows (Installs high-performance energy-efficient windows). Third time on the list. Reported 106% three-year growth. Based in Utah.

• Ace Door & Window Company (Offers window and door sales and installation for commercial and residential clients). First time on the list. Reported 78% three-year growth. Based in Jacksonville.

• Privacy Glass Solutions (Designs and manufactures privacy glass products for markets including medical facilities, high-security environments and learning institutions). Second time on the list. Reported 75% three-year growth. Based in Florida.

• Window Nation (A home improvement company providing a selection of windows and doors). Ninth time on the list. Reported three-year growth of 72%. Based in Maryland.

• MY Shower Door (A family-owned company measuring, selling and installing frameless shower doors throughout Florida and distributing products across the U.S. and Canada). Eighth time on the list. Reported 64% three-year growth. Based in Florida.

• D3 Glass (Manufactures and fabricates flat-glass products used for frameless shower doors and more). Third time on the list. Reported 55% three-year growth. Based in Florida.

• Florida State Glass and Mirror (Provides luxury and custom installations of frameless shower enclosures, glass partitions, glass railings, mirrors and tabletops). Third time on the list. Reported 52% three-year growth. Based in Florida.