R.I. Gen. Laws § 23-33-2.2: Qualified service company.

(a) Any firm or corporation engaged in the business of constructing, installing, maintaining, or repairing elevators, escalators, or other devices within the limits of this state, subject to the provisions of this chapter, shall be licensed by the division of occupational safety. The fee and the requirements for this license shall be established by regulation through the code commission.

(b) Failure to comply with any of the requirements shall cause the license to be revoked or refused and the right to conduct such business within the limits of this state shall be prohibited.