N.C. Gen. Stat. § 153A-275

(1) A county may acquire, lease as lessor or lessee, construct, establish, enlarge, improve, extend, maintain, own, operate, and contract for the operation of public enterprises in order to furnish services to the county and its citizens. A county may acquire, construct, establish, enlarge, improve, maintain, own, and operate outside its borders any public enterprise.

(2) A county may adopt adequate and reasonable rules to protect and regulate a public enterprise belonging to or operated by it. The rules shall be adopted by ordinance, shall apply to the public enterprise system both within and outside the county, and may be enforced with the remedies available under any provision of law.