Design Surfaces, also known as DSI, is a floor covering installation company. Established in 1992, it offers cost estimation, demolition and product purchasing solutions. The company undertakes projects for ballrooms, guestrooms, corridors and lobbies . It offers carpet, vinyl, tile and wood floorings. The company operates 24 hours a day, seven days a week. Design Surfaces has completed projects for Park Hyatt Hotel, Washington Court Hotel, Double Tree Hotel and Forest Glen Nursing Home. The company additionally offers on-site evaluation, scheduling and shipping services. Design Surfaces is located in Lothian, Md.