N.Y. Insurance Law § 7002
In this article:
(e) "Industrial insured" means an insured:
(g) "Industrial insured group" means any group of unaffiliated industrial insureds that are engaged in similar or related businesses or activities, however, the metropolitan transportation authority and cities with a population of one million or more shall not be a member of an industrial insured group, and that collectively:
(h) "Pure captive insurance company" means any company that: