This subchapter applies to any entity that offers a health benefit plan or an annuity or life insurance policy or contract in this state, including:
(1) a stock or mutual life, health, or accident insurance company;
(2) a group hospital service corporation operating under Chapter 842;
(3) a fraternal benefit society operating under Chapter 885;
(4) a stipulated premium insurance company operating under Chapter 884;
(5) a Lloyd's plan operating under Chapter 941;
(6) an exchange operating under Chapter 942;
(7) a health maintenance organization operating under Chapter 843;
(8) a multiple employer welfare arrangement that holds a certificate of authority under Chapter 846;
(9) an approved nonprofit health corporation that holds a certificate of authority under Chapter 844;
(10) a statewide mutual assessment company operating under Chapter 881;
(11) a local mutual aid association operating under Chapter 886; and
(12) a local mutual burial association operating under Chapter 888.