https://nationalworkerscompauthority.com/workers-comp-class-codes/
Workers' Compensation Class Codes: Classification and Rating
Workers' compensation class codes are four-digit numeric identifiers that sort employees into occupational categories sharing similar injury risk profiles,...
workers compensationclass codesclassificationrating
https://www.census.gov/library/reference/code-lists/class-codes.html
Class Codes and Definitions
Oct 8, 2021 - The class (CLASSFP) code defines the current class of a geographic entity.
class codesdefinitions
https://www.michigan.gov/psru/reporting-resources/reporting-instruction-manual/13-codes-and-definitions/13-02-01-detail-2-records-employment-class-codes-and-definitions
13.02.01: Detail 2 records - employment class codes and definitions
class codesdetail
https://til.acm.illinois.edu/acm_uiuc/class-codes/
Class Codes | ACM@UIUC TIL
class codesacmuiuctil