Technology-34.23% The biggest percentage for The Mining City is technology and one of the top-rated STEM schools in the country, Montana Tech, as well as some of the big employers in the area could be a reason. âA lot of it does stem from you know Montana Tech, NorthWestern Energy, our hospital and then the one that wasnât on the list is Montana Resources, the mine here in town,â Joseph Willauer, executive director of Butte Local Development Corporation said. âI canât speak to actual available jobs from those companies, but they are our largest employers and paying some of the best wages in our community.â