Welcome to J.D. Barnes Limited, the leading provider of Land Information Services in Canada. J.D. Barnes Limited and its subs ... idiaries offer Surveying, Mapping and Geographic Information Services to a complete range of clients predominantly in the Province of Ontario but also throughout Canada and internationally as well. J.D. Barnes Limited is focused on providing quality services to a diversified client group. As an employee owned company with over 400 staff, and a 55year history, the firm has developed an organizational culture that encourages and rewards innovation, diligence, teamwork and client satisfaction. J.D. Barnes Limited has grown to be the largest firm of its kind through the efforts of our dedicated staff, the loyalty of our clients, and the world class technology deployed in delivering timely and quality service. read more