Kardtech Inc. has been serving the cardlock industry by specializing in the sale, service and installation of automated petroleum equipment. As such, Kardtech is a distributor for a wide variety of petroleum-related products, as well as an authorized Petro Vend service provider. Kardtech is an approved contractor through Canada's Technical Standards and Safety Authority, and a member of both the Ontario Petroleum Contractors Association and Petroleum Equipment Institute. more... See more text