Industry: 9711—National Security
Establishments of the armed forces, including the National Guard, primarily engaged in national security and related activities. Establishments primarily engaged in manufacturing ordnance, ships and other military goods are classified in Manufacturing, Division D. Service academies are classified in Services, Industry 8221, but military training schools are classified here. Military hospitals are classified in Services, Industry Group 806. Establishments of the Coast Guard primarily engaged in the administration, operation, or regulation of transportation are classified in Industry 9621.
| Air Force | Military training schools |
| Army | National Guard |
| Marine Corps | Navy |
| Codes |
Titles | Total Marketable US Businesses |
| 97110000 | National security | 273 |
| 97110400 | National security, level of government | 4 |
| 97110401 | National security, Federal government | 1,729 |
| 97110402 | National security, State government | 241 |
| 97110403 | National security, County government | 18 |
| 97110404 | National security, Local government | 23 |
| 97119901 | Air Force | 2,737 |
| 97119902 | Army | 3,236 |
| 97119903 | Civil Defense | 456 |
| 97119904 | Marine Corps | 1,548 |
| 97119905 | Military training schools | 57 |
| 97119906 | National Guard | 2,336 |
| 97119907 | Navy | 2,222 |
