Welcome to Class Codes
Welcome to insurance class codes! This site contains Work Comp (NCCI), GL, NAICS and SIC classification information. Many states have various classification codes and definitions. This site serves as a unified reference guide for users to quickly locate code information from the multiple systems.
In the effort to help assist viewers in finding authoritative class code information, this site provides direct links to class codes as published by the department of insurance for each state, where to purchase authoritative material, and other helpful information relative to the classification process.
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WC Class Codes | State by State Directory
Looking for workers compensation class codes? Click a state below using the interactive map to view the correlating list.
To locate NCCI class codes, click the image below.
To view the SIC code list, click the image below.
To view the NOC code list, click the image below.
To view the WC classification guide, click below.
To view WC insurance companies, click below.
To view the NAICS code list, click the image below.
To view GL class codes, click the image below.
To view WC rates by state, click the image below.
To view the SOC code list, click the image below.
To view workers compensation relativity rates. click below.
Workers Compensation Class Codes
If you are looking for general liability or workers compensation class codes, we can show you where to find them for your state! Our website contains reference guides, helpful generic code & index listings, as well as further guidance and links as to where viewers can find and purchase authoritative underwriting information. The authoritative councils for work comp and GL classifications are:
- NCCI – National Council on Compensation Insurance
- NAICS – North American Industry Classification System
- ISO – Insurance Services Office
- SIC – Standard Industrial Classifications
List of Workers Compensation State Funds by State
Looking for an online list of workers compensation state funds by state? You can view our online list by clicking the image below. Our list is based on membership to the American Association of State Compensation Insurance Funds, or AASCIF.
Workers Compensation Rates by State
Looking for workers compensation rates by state? Click the image below to view our index by state, WC code, and also premium rate ranking by state.

Source: Oregon Department of Consumer and Business Services. http://www.cbs.state.or.us/external/dir/wc_cost/charts.html. Web. April 8, 2016.
Workers Compensation Code Tutorial
NAICS Code Tutorial
Watch the video series below to better understand the NAICS classification system.
(1/7) The Purpose of NAICS
(2/7) The Historical Background of NAICS
(3/7) The Development of NAICS
(4/7) The Conceptual Framework of NAICS
(5/7) The Structure of NAICS
(6/7) Defining the Establishment
(7/7) Determining the Industry Classification of the Establishment
Insurance Class Codes