In addition to the command's duty to provide network security services to state agencies under this chapter, the command by agreement may provide network security services to:
(1) each house of the legislature and a legislative agency;
(2) a local government;
(3) the supreme court, the court of criminal appeals, or a court of appeals;
(4) a public hospital owned or operated by this state or a political subdivision or municipal corporation of this state, including a hospital district or hospital authority;
(5) the Texas Permanent School Fund Corporation;
(6) an open-enrollment charter school, as defined by Section 5.001, Education Code;
(7) a private school, as defined by Section 5.001, Education Code;
(8) a private or independent institution of higher education, as defined by Section 61.003, Education Code;
(9) a volunteer fire department, as defined by Section 152.001, Tax Code; and
(10) an independent organization certified under Section 39.151, Utilities Code, for the ERCOT power region.