Mo. Rev. Stat. § 386.754: Definitions.

For the purposes of sections 386.752 to 386.764, the following terms mean:

(1) "Affiliate" , any entity not regulated by the public service commission which is owned, controlled by, or under common control with a utility and is engaged in HVAC services;

(2) "HVAC services" , the warranty, sale, lease, rental, installation, construction, modernization, retrofit, maintenance or repair of heating, ventilating and air conditioning equipment;

(3) "Utility" , an electrical corporation, gas corporation or heating company, as defined in section 386.020;

(4) "Utility contractor" , a person, including an individual, corporation, firm, incorporated or unincorporated association or other business or legal entity, that contracts, whether in writing or not in writing, with a utility to engage in or assist any entity in engaging in HVAC services, but does not include employees of a utility.