(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;
(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 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 prepaid health care delivery plans, health care plans, and health maintenance organizations.