The Department of Public Service Regulation is comprised of a 5-member elected Public Service Commission supported by a professional staff that provide expert legal, regulatory, public policy, consumer relations, and operational support. It is the duty of the Montana Public Service Commission to supervise and regulate the operations of public utilities, common carriers, railroads, and other regulated industries listed in Title 69 (MCA). Such regulation and supervision is limited by and shall be in conformance with Title 69.