| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 926130 | 926130 | 926130 | Communications commissions | |||
| 926130 | 926130 | 926130 | Communications licensing commissions and agencies | |||
| 926130 | 926130 | 926130 | Energy development and conservation programs, government | |||
| 926130 | 926130 | 926130 | Federal Communications Commission (FCC) | |||
| 926130 | 926130 | 926130 | Irrigation districts, nonoperating | |||
| 926130 | 926130 | 926130 | Licensing and inspecting of utilities | |||
| 926130 | 926130 | 926130 | Mosquito eradication districts | |||
| 926130 | 926130 | 926130 | Nuclear energy inspection and regulation offices | |||
| 926130 | 926130 | 926130 | Public service (except transportation) commissions, nonoperating | |||
| 926130 | 926130 | 926130 | Public utility (except transportation) commissions, nonoperating | |||
| 926130 | 926130 | 926130 | Regulation of utilities | |||
| 926130 | 926130 | 926130 | Sanitation districts, nonoperating | |||
| 926130 | 926130 | 926130 | Solar energy regulation | |||
| 926130 | 926130 | 926130 | Wind generated electrical power regulation |