Skip directly to search Skip directly to A to Z list Skip directly to navigation Skip directly to site content Skip directly to page options
CDC Home


Industry and Occupation Coding Training

NIOSH offers a free 2 day training class for coding industry and occupation (I&O) data. The class provides instruction on coding to the CDC/Census I&O classification system including how to use the NIOSH Industry & Occupation Computerized Coding System (NIOCCS).

If you are interested in attending a class, please fill out the form below and NIOSH will email you information about available upcoming classes.


Upcoming Classes

Email for more information


Request Industry and Occupation Coding Training:

If you are interested in I&O Coding Training, please fill out the information below and click Submit



Contact Us:
  • Page last reviewed: June 15, 2015
  • Page last updated: June 15, 2015 The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30329-4027, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC-INFO