NAICS 33999 is the North American Industry Classification System code for All Other Miscellaneous Manufacturing, a NAICS industry in the Other Miscellaneous Manufacturing industry group (3399) of the Manufacturing sector (31-33). It divides into 6 more specific codes, including Gasket, Packing, and Sealing Device Manufacturing (339991), Musical Instrument Manufacturing (339992) and Fastener, Button, Needle, and Pin Manufacturing (339993).
NAICS 33999 is the code for All Other Miscellaneous Manufacturing, a NAICS industry in the North American Industry Classification System (NAICS 2022), under 3399 (Other Miscellaneous Manufacturing). It has 6 more specific codes: 339991, 339992, 339993 and 339994 and others.
The parent of NAICS 33999 is 3399, Other Miscellaneous Manufacturing. Every company under 33999 is also counted under 3399.