Underground Engineering Services Ontario - Underground Utility Locating, Underground Locates, SUE Service, Subsurface Utility Engineering Underground Engineering Services (UES) offers specialized services which provide timely and accurate underground utility information. (both horizontal and vertical) for municipalities, consulting engineers, surveyors, project owners and private property owners who wish to pinpoint the locations of facilities on the public ROW and/or private property during the design stage of their project development. Toronto Underground Utility Locating, Underground Locates, SUE Service, Subsurface Utility Engineering. Subsurfaceengineering.com~Site InfoWhoisTrace RouteRBL Check