Pella Mid-Atlantic is a member of the Pella Direct Sales Network. Originally established in 1931, under the name K.C. Company, Pella Mid-Atlantic is now one of the largest sales and service distributors in the Pella network. Pella Mid-Atlantic operates 6 Pella® Window & Door Showrooms throughout Maryland, Washington, Northern Virginia, and Delaware designed to help customers make the most informed window and door decisions, provide certified professional installations, and offer full window and door service. Pella Mid-Atlantic serves the residential and commercial markets, and features products for new construction, replacement and remodel projects. Our current locations with showrooms include: Beltsville, MD (Headquarters and Showroom) Gaithersburg, MD Annapolis, MD Hunt Valley, MD Falls Church, VA Lewes, DE