NAICS 561330 is the North American Industry Classification System code for Professional Employer Organizations, a national industry in the Employment Services industry group (5613) of the Administrative and Support and Waste Management and Remediation Services sector (56).
NAICS 561330 is the code for Professional Employer Organizations, a national industry in the North American Industry Classification System (NAICS 2022), under 5613 (Employment Services). It is a 6-digit code, the most specific NAICS level.
The parent of NAICS 561330 is 5613, Employment Services. Every company under 561330 is also counted under 5613.