Wyo. Stat. Ann. § 37-2-210

The commission, or with the consent of the commission, any party to the proceedings before the commission, may, in any investigation, cause the depositions of witnesses residing within or without the state to be taken in the manner prescribed by law for like depositions in civil actions in the courts of this state. All hearings and investigations before the commission shall be conducted under such rules as the commission may prescribe and adopt.