Wyo. Stat. § 27-1-101
Manufacturing establishments, as those words are used in this act, shall mean and include all smelters, oil refineries, cement works, mills of every kind, machine and repair shops, and in addition to the foregoing, any other kind or character of manufacturing establishment, of any nature or description whatsoever, wherein any natural product or other articles or materials of any kind, in a raw or unfinished or incomplete state or condition, are converted into a new or improved or different form. Wherever the expression occurs in this act in substantially the following words: "every person owning or operating any manufacturing establishment," or where language similar to that is used, the word "person" in that connection shall be held and construed to mean any person or persons, partnership, corporation, receiver, trust, trustee, or any other person or combination of persons, either natural or artificial, by whatever name he or they may be called.
W.S. 27-1-101