This act shall apply to all insurance companies, fraternal benefit societies, health maintenance organizations, reciprocal insurance exchanges, mutual nonprofit hospital and medical service corporations, captive insurance companies, group funded pools except municipal group funded pools governed by Kan. Stat. Ann. §§ 12-2616 through 12-2629 and amendments thereto, prepaid service plans operating under article 19a of chapter 40 of the Kansas Statutes Annotated, regardless of whether such entities are authorized to do business in this state, and such entities which are in the process of organization.