Wyo. Stat. § 16-6-106: Statement of Wyoming materials preference in requests for bids and proposals.

All requests by a public entity for bids and proposals for materials, supplies, agricultural products, equipment, machinery and public works shall contain the words "preference is hereby given to materials, supplies, agricultural products, equipment, machinery and provisions produced, manufactured or grown in Wyoming, or supplied by a resident of the state, quality being equal to articles offered by the competitors outside of the state".