Locally owned and operated in Hamilton, Ontario for over 30 years, Keymaster has grown to be among the largest security service providers in the country and proud to be trusted experts for all your security needs. We provide products from the industries’ leading manufacturers geared toward your specific security needs – from closed circuit television systems and access control to a simple padlock…and everything in between. Our fully trained and accredited team offers quick response, professional installation, maintenance and repair services.