Contact Us

The HDF Group is located just north of the University of Illinois at Urbana-Champaign campus.

Our business hours are 8:00 a.m. to 5:00 p.m. central time, Monday to Friday, with the with the exception of U.S. federal holidays.

Main Contact
  • (217) 531-6100
  • 410 E University Avenue, Suite 200
  • Champaign, Illinois 61820
Support HDF5

Get in Touch

The HDF Group offers several levels of support services, including Self-Service support (documentation and the HDF Forum), the HDF Helpdesk, and Consulting.

For technical questions (such as issues with the software, web pages, or documentation) please contact the HDF Helpdesk at

For questions regarding contracts or other non-technical issues, please use the form below to reach out to our business office:

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