Security company licensing in Wyoming
Wyoming does not license security companies at the state level, so there is no state roster and no license number for a company to show you. That is not a mark against any company operating there.
Wyoming does not license security firms — the Division of Criminal Investigation answers the question directly, saying no licence is required beyond ordinary business registration. Cheyenne licenses guard service businesses through the city clerk, but no statewide registry exists.
Wyoming Division of Criminal Investigation →What you can still check
There is a second license, and in Wyoming it may be the only one that exists: the guard’s own.
What a guard and a company should hold in Wyoming, and how to confirm it →