| Naics index | Naics index description |
|---|---|
| 926130 | Irrigation districts, nonoperating |
| 926130 | Licensing and inspecting of utilities |
| 926130 | Mosquito eradication districts |
| 926130 | Nuclear energy inspection and regulation offices |
| 926130 | Public service (except transportation) commissions, nonoperating |
| 926130 | Public utility (except transportation) commissions, nonoperating |
| 926130 | Regulation of utilities |
| 926130 | Sanitation districts, nonoperating |
| 926130 | Solar energy regulation |
| 926130 | Wind generated electrical power regulation |