Michigan Compiled Laws, Chapter 408. Labor § 408.803

Sec. 3. (1) “Elevator” means the machinery, construction, apparatus, and equipment of an incline lift, escalator, moving walk, or device serving 2 or more landings used in raising and lowering a car, cage, or platform which is guided.The term includes a passenger elevator, freight elevator, gravity elevator, workmen's elevator, dumbwaiter, manlift, or other lifting or lowering apparatus that is guided.The term does not include:

(2) “Elevator contractor” means a person that is engaged in the business of constructing, installing, maintaining, repairing, or altering elevators, including the installing or maintaining of electric wiring, fixtures, apparatus, and appliances in connection with the operation or control of elevators.

(3) “Elevator contractor license” means a license issued by the director to an elevator contractor that authorizes the licensee to engage in the construction, installation, alteration, maintenance, or repair of elevators.