NAICS 517 is the North American Industry Classification System code for Telecommunications, a subsector in the Information sector (51). It divides into 5 more specific codes, including Wired and Wireless Telecommunications (except Satellite) (5171), Wired and Wireless Telecommunications Carriers (5173) and Satellite Telecommunications (517410).
NAICS 517 is the code for Telecommunications, a subsector in the North American Industry Classification System (NAICS 2022), under 51 (Information). It has 5 more specific codes: 5171, 5173, 517410 and 517810 and others.
The parent of NAICS 517 is 51, Information. Every company under 517 is also counted under 51.