NAICS 562112 is the North American Industry Classification System code for Hazardous Waste Collection, a national industry in the Waste Collection industry group (5621) of the Administrative and Support and Waste Management and Remediation Services sector (56).
NAICS 562112 is the code for Hazardous Waste Collection, a national industry in the North American Industry Classification System (NAICS 2022), under 5621 (Waste Collection). It is a 6-digit code, the most specific NAICS level.
The parent of NAICS 562112 is 5621, Waste Collection. Every company under 562112 is also counted under 5621.