The companies include telecom equipment company Huawei, which was given private access to user data. US intelligence officials have flagged Huawei as a potential national security threat.
The other companies getting data access were Lenovo, Oppo, and TCL.
Facebook tells The New York Times that the partnerships remain in effect but Facebook plans to wind down the Huawei deal by the end of this week.
The company says it struck the agreements before the ban to help make Facebook work better on phones before the standalone apps worked well.
Facebook shares are down 0.5% premarket to $191.90.
Now read: Avoid Facebook Into Earnings »