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Coding Tool

  • NIOSH Industry & Occupation Computerized Coding System (NIOCCS)

    NIOCCS is a web-based Industry and Occupation (I&O) coding tool that includes: autocoding and computer-assisted coding of I&O narratives; coding according to the Bureau of the Census 2000 or Census 2002 Alphabetical Index of Industries and Occupations; option to output associated NAICS and SOC codes; and crosswalk capabilities for Census 1990, 2000, and 2002 classifications schemes.

Coding Instructions

Coding Resources

Other Related Links


*Mention of any company or product does not constitute endorsement by NIOSH. In addition, citations to Web sites do not constitute NIOSH endorsement of the sponsoring organizations or their programs or products. Furthermore, NIOSH is not responsible for the content of these Web sites.


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