Distributing Architectural Door Hardware since 1975, Top Notch Distributors, Inc. strives to be the foremost distributor in the industry by exceeding our customers’ expectations with Integrity, Knowledge and the Drive to provide the best Service. A wide selection of Residential, Commercial and Electronic Access Control products, parts and accessories are in stock and available for same-day shipping from one of our four warehouses (Massachusetts, Pennsylvania, Missouri, Nevada). With over a half a million products, parts, and accessories available from more than 70 manufacturers, we have the products you need.