Brisco & O'Rourke is based in Chatham, Ontario Canada, and performs land surveying and mapping using the latest in digital technology and Global Positioning Systems (GPS). Specializing in the Oil and Gas Industry and Wind Energy Industry, Brisco and O’Rourke are members of the Canadian Wind Energy Association, and are members of the Ontario Petroleum Institute and using pin-point accuracy meet Ministry of Natural Resource Standards. We provide automated computer design (CAD), plotting services and have a broad level of experience in the petroleum industry.