For accurate topographical surveys, precise deformation surveys, high definition surveys and much more, contact us at Monteith & Sutherland Limited. Performing thorough surveys throughout Sarnia, we also digitally draft engineering and architectural site plans, construction layouts and many other types of prints to help you successfully plan your construction project. Call us to learn about our other services, including slope monitoring, tunnel surveying and aerial photography. Other locations: Monteith & Sutherland Limited 515 Milner Ave. Unit 5, Scarborough, Ont M1B 2K4 Monteith & Sutherland Limited 1733 Eglinton Ave. West Toronto, Ont M6E 2H4. more... See more text