Callon Dietz Incorporated has been a leader in the Ontario land survey industry for over 50 years. Established in 1967, our s ... uccess is driven by our focus to provide quality and on-schedule service for our clients. Callon Dietz Locates Incorporated was established in 2018 to provide Subsurface Utility Engineering (SUE) and operates as an integrated service for our clients with our above ground surveying operations. Today, Callon Dietz provides surveying above and below ground, mapping, geomatics and land information services throughout Ontario from our three office locations: London, North Bay, Carleton Place (Ottawa-area), and Oshawa (SUE services hub). Our multiple locations that operate a fully integrated team allow us to service clients throughout Ontario efficiently, with the best solution for your project. We're a growing and dynamic organization that thrives in creating opportunities for our employees and servicing our clients. read more