Operational for more than 30 years, Central Wholesalers is a provider of multifamily and commercial maintenance supplies. It specializes in manufacturing kitchen and vanity cabinets and countertops. The company offers countertops in more than 10 colors, including almond, gray pampas, white, canyon and beige pampas. Additionally, its product line includes window and door screens, screening materials, hardware and parts. The company offers training programs on range of topics, such as lighting technology, repairing refrigerators and solderless systems for repairing leaky pipes. In addition, it offers a range of key pinning services to its customers and various water conservation programs. Central Wholesalers is located in Beltsville, Md.