Gatekeeper Systems Inc. is a Canadian company that designs, manufactures, and sells video security solutions for mobile and extreme environments in Canada and the United States. Its solutions integrate high-definition digital video with GPS for real-time vehicle location, time, date, and telematics data. The company also offers wireless devices, video management and analytics software, and enterprise software to stream live video from any vehicle. It serves the transit, school bus, police, ambulance, taxi, and transport markets.