Analysis
NAICS 92711 is the 2022 NAICS industry for space research and technology, part of 9271 (Space Research and Technology).
It has only one more detailed code, 927110, which covers exactly the same activities; the definition, index entries and statistics are on that page.
County Business Patterns excludes public administration, so there is no establishment count for it.
Official definition
See industry description for 927110.
Source: US Census Bureau, NAICS 2022 Manual.