N.H. Rev. Stat. § 12-O:4

In addition to any other powers and duties set forth in this chapter or as otherwise provided by statute, the department of business and economic affairs shall have the power and duty to plan and conduct a program of information and publicity to attract tourists, visitors, industrial concerns, and other interested persons from outside the state to the state of New Hampshire, and to encourage, coordinate, and participate in the efforts of other public and private organizations or groups of citizens in order to publicize the facilities, industrial advantages, and other attractions of the state for the same purposes. The commissioner shall assign such duties and functions as in her or his discretion will best effectuate the purposes, powers, and duties set forth in this section and as otherwise provided by statute. The department is authorized to set its logo and to establish and maintain any websites.