NAICS 326140 is the North American Industry Classification System code for Polystyrene Foam Product Manufacturing, a national industry in the Plastics Product Manufacturing industry group (3261) of the Manufacturing sector (31-33).
NAICS 326140 is the code for Polystyrene Foam Product Manufacturing, a national industry in the North American Industry Classification System (NAICS 2022), under 3261 (Plastics Product Manufacturing). It is a 6-digit code, the most specific NAICS level.
The parent of NAICS 326140 is 3261, Plastics Product Manufacturing. Every company under 326140 is also counted under 3261.