Heartwood Building and Restoration, Hawley, MA 01339, U.S.
-- Historic Wood Window Restoration. Northeast US.
-- 413-339-4298  http://www.traditional-building.com/brochure/members/1windowrestoration.shtml

Windowrepair.com, Brighton, MA 02135, U.S.
-- Window Repair and Restoration Services and Training. Services Boston Area Only.
-- 617-782-9410  http://www.windowrepair.com

Smith Restoration Sash, Providence, RI 02909, U.S.
-- Custom and Reproduction Wood Window Sash for Restoration.
-- 401-351-1222  http://www.smithrestorationsash.com

Marlowe Restorations LLC, Northford, CT 06472, U.S.
-- Carpentry Restoration, Wood Window Restoration & Timber Frame Restoration.
-- 203-484-9643  http://www.marlowerestorations.com

Sugar Hollow Glass, New Fairfield, CT 06812, U.S.
-- Hand Blown Period Bullseye Window Glass. Architectural Glassblowers.
-- 203-746-0456  http://www.sugarhollowglass.com

Quality Restoration Works, LLC., Brooklyn, NY 11201, U.S.
-- Wood Window Restoration, Wood Door Restoration, Stained Glass Restoration.
-- 917-575-8545  http://www.qualitywindowrestoration.com

Historic Structures, Washington, DC 20016, U.S.
-- Master Carpenter specializing in Historic Preservation serving New England and The Mid-Atlantic States.
-- 202-686-0135  http://www.historicstructuresdc.com

Weston Millwork Company, Weston, MO 64098, U.S.
-- Custom Wood Windows, Doors and Shutters for Restoration. Custom Millwork.
-- 816-640-5555  http://www.westonmillwork.com

Re-View, North Kansas City, MO 64116, U.S.
-- Window Restoration for Commercial Properties. Comprehensive Turnkey Services. Nationwide.
-- 816-746-9339  http://www.re-view.biz

American Heritage Window Rebuilders, Salt Lake City, UT 84111, U.S.
-- Wooden Window Restoration. Custom and Reproduction Windows, Doors, Storms and Screens.
-- 801-359-6639  http://www.vintagewindows.com