SDCL § 3-12C-301: Members of system.

All of the following full-time employees are included as members in the system:

(1) All state employees;

(2) All certified school employees;

(3) All justices, judges, and magistrate judges;

(4) All police officers and firefighters of participating municipalities;

(5) All general employees of participating municipalities;

(6) All employees of participating counties;

(7) All classified employees of school districts that are participating with the school districts' classified employees and all other classified employees;

(8) All employees of the Board of Regents; and

(9) All state law enforcement officers.