Kelly Services Inc. (NASD: KELYA) said it received a five-year contract valued at $750 million from the National Institutes of Health, an agency of the U.S. Department of Health and Human Services.

Kelly has worked with the National Institutes of Health for the last five years. However, it reported the process for awarding of this contract began almost a year ago.

The National Institutes of Health conducts and supports medical research.