WBI Energy Transmission is an extensive 3,700-mile pipeline network traversing states like Minnesota and Wyoming. It's owned by WBI Energy, Inc. (a part of MDU Resources Group, Inc.) and operated by WBI Energy Transmission, Inc. Currently operating at more than 50% capacity, it caters to sectors such as utility/power and producers. Notable clients include Oneok Rockies Midstream, Nesson Gathering System, and Montana-Dakota Utilities.