N.H. Rev. Stat. Ann. § 348:1

Any person, firm or corporation having a place of business within the state, who keeps and maintains for hire a warehouse for the storage of goods, wares, and merchandise of persons, firms or corporations, shall be a public warehouseman. A public warehouseman shall obtain an annual license from the secretary of state. The fee for such license shall be $50. Whoever violates any provision of this section shall be guilty of a misdemeanor.