ChamberMaster Template Great West Engineering Engineer Great West Engineering Visit Website Request Info 702 2nd St S Ste 2 Great Falls, MT 59405 (406) 604-7547 www.greatwesteng.com About Map About Great West Engineering provides a broad range of engineering services for cities, towns, counties, districts, state agencies, private developers, and other consultants. What's Nearby? Distance: 5 10 15 20 25 50 mi.