STANDARDIZED OCCUPATION & INDUSTRY CODING
Contact the NIOSH SOIC Group
We welcome your comments or feedback on SOIC by:
- Email to SOIC Group or
- Mail to:
SOIC Group
Surveillance & Field Investigations Branch
NIOSH, MS H1808
1095 Willowdale Rd
Morgantown, WV 26505
To report technical problems or broken links, please provide as much detail as possible. Typically, you will receive an email response within 5-10 business days.
Please review the SOIC manual, the "How to..." pages, and FAQ's before submitting any questions to the SOIC Group.
Contact Us:
- National Institute for Occupational Safety and Health (NIOSH)
- Centers for Disease Control and Prevention
- 800-CDC-INFO
(800-232-4636)
TTY: (888) 232-6348 - New Hours of Operation
8am-8pm ET/Monday-Friday
Closed Holidays - Contact CDC-INFO


