For more than 80 years, K.C. Company, Inc., has provided outstanding value to homeowners in Delaware, Maryland, Northern Virginia and Washington, D.C. Since 1964, K.C. Company has grown to one of the largest independent and locally owned Pella retailers in the country and we’re proud to continue our tradition of quality, value and service. Our unwavering commitment to homeowner satisfaction is summed up perfectly in The Pella Promise: The best product for your home and budget Wood, fiberglass or vinyl windows and doors in a variety of sizes, styles and prices A free, no-pressure, in-home consultation, measurement and quote Hundreds of energy-efficient products No-mess, no-guess installation Most projects can be completed in a single day We leave our work area cleaner than we found it We haul away your old windows and doors Our Lead Pella Expert InstallersSM are recertified annually Total Care Guarantee We stand behind our products with some of the strongest product and window installation warranties in the business Your local Pella service team is only a phone call away Get to know our dedicated team of sales specialists