| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 921190 | 921190 | 921190 | Auditor's offices, government | |||
| 921190 | 921190 | 921190 | Civil rights commissions | |||
| 921190 | 921190 | 921190 | Civil service commissions | |||
| 921190 | 921190 | 921190 | Election boards | |||
| 921190 | 921190 | 921190 | General accounting offices, government | |||
| 921190 | 921190 | 921190 | General public administration | |||
| 921190 | 921190 | 921190 | General services departments, government | |||
| 921190 | 921190 | 921190 | Human rights commissions, government | |||
| 921190 | 921190 | 921190 | Indian affairs programs, government | |||
| 921190 | 921190 | 921190 | Personnel offices, government | |||
| 921190 | 921190 | 921190 | Public property management services, government | |||
| 921190 | 921190 | 921190 | Purchasing and supply agencies, government | |||
| 921190 | 921190 | 921190 | Supply agencies, government |