"Maximus said Thursday it was awarded a $6.6B contract for a base period for transition plus nine one-year option periods by the Centers for Medicare & Medicaid Services for Contact Center Operations. MMS will continue supporting CMS' contact center operations that help Americans with Medicare and accessing health insurance through the federal marketplace."
https://seekingalpha.com/news/3879673-maximus-gets-66b-contract-from-cms-for-contact-center-operations