WBI Energy

Williston Basin Interstate Pipeline Company, a subsidiary of MDU Resources Group Inc., provides natural gas services through pipeline system in Montana, North Dakota, South Dakota and Wyoming. Located in Worland, Wyo., the company provides natural gas services, including transportation, storage and gathering and administrative services, including measurement, pipeline construction and maintenance. It caters to a variety of customers, including utilities, natural gas production companies, energy marketing firms and large industrial consumers. Williston Basin Interstate Pipeline Company is an affiliate company of WBI Holdings.