For the purposes of this article, "public agency" includes:
1. The federal government or any federal department or agency.
2. Indian tribes.
3. This state or any other state.
4. All departments, agencies, boards and commissions of this state or any other state.
5. Counties.
6. School districts.
7. Fire districts.
8. Cities.
9. Towns.
10. All municipal corporations.
11. Political subdivision entities as defined in section 38-711.
12. Any other political subdivisions of this state or any other state.