Sections 38a-903 to 38a-961, inclusive, shall apply to: (1) All insurers who are doing, or have done, an insurance business in this state and against whom claims arising from that business may exist now or in the future, and all persons subject to examination by the commissioner; (2) all insurers who purport to do an insurance business in this state; (3) all insurers who have insureds resident in this state; (4) all other persons organized or doing insurance business, or in the process of organizing with the intent to do an insurance business in this state; (5) all nonprofit service plans and all fraternal benefit societies; (6) all title insurance companies; and (7) all health care centers.