40-3-112. Service of process. (a) Service of any type of process authorized by this act shall be personal within this state, but if such personal service cannot be obtained, substituted service may be made in the following manner: (i) By service as provided by W.S. 40-3-109 and 40-3-110; (ii) By service on the secretary of state; (iii) Personal service without the state; (iv) By registered or certified mail to the last known place of business, residence or abode of such persons for whom it is intended; (v) As to any person other than a natural person, in the manner provided in the rules of civil procedure as if a complaint or other pleading which institutes a civil action has been filed; or (vi) By such service as a district court may direct in lieu of personal service within this state.
Wyoming Legal Code