Domino Engineering Corporation has been manufacturing and distributing quality keypads and other electrical accessories for residential and commercial overhead and entry doors for over 30 years. We also perform contract electrical design and assembly for start-up and established companies. Domino Engineering also provides affordable GPS to companies requiring vehicle tracking and accountability. When dealing with Domino Engineering you'll receive "higher than expected" quality customer service. Domino Engineering is a proud member of International Door Association, Central States Door Dealer Association, Illinois Locksmith Association, Associated Locksmiths of America, Taylorville Chamber of Commerce, and NFIB.