Mathews Brothers Co.


Headquarters: Belfast, ME

Employees: 130

Product Lines: Putty-glazed wood windows; historic restoration wood windows; new construction and replacement PVC windows and patio doors; composite/acrylic windows; and Fusion-Core (R5) PVC replacement windows.

Web Site:

2012 Top 100 Sales Range Category: $15 Million to $30 Million

General Information: More than 155 years old, Mathews Brothers says it is America’s oldest window manufacturer. The family-owned company offers an extensive array of products, ranging from traditional wood windows to composite products and its most recent product line, rolled out n 2011, which features EnergyCore technology from Mikron to exceed the performance requirements of the DOE’s R5 program. After supplying product through distribution and its own retail businesses for many years, the manufacturer closed down its retail locations two years ago to focus on sales to distributors. With the change, the company has expanded its market, and now services all of New England, and the Hudson River valley in New York State. In addition to gearing up for its new R5 product line, the company also added on capacity by installing a third IG line, tripled its argon filling capacity, and added a new bending machine in recent years. In 2011, Mathews Brothers hosted U.S. Senator Olympia Snowe for a visit to its factory, as well as Maine Governor Paul LePage. The manufacturer was also recognized with OSHA’s Safety & Health Achievement Recognition Program (SHARP) designation for its efforts in providing a safe and healthy work environment.


Although it makes products incorporating the latest technology, Mathews Brothers continues
to produce putty-glazed sash for historic applications as well.


Back to Alphabetical Top 100 Listings

Back to Top 100 Rankings by Sales Range Category