Invest Financial Corporation announced that it has signed 4 banks to provide its brokerage and investment services their customers.

The banks are First United Bank, Crete, Ill.; AB&T National Bank, Albany, Ga.; United Community Bank, Blairesville, Ga.; and Ouachita Independent Bank. Monroe, La.

Collectively, the banks have 129 branches nationwide and more than $8.8 billion in total deposits.

Invest is a unit of Jackson National Life Insurance Company, Lansing, Mich., which is part of Prudential P.L.C., London.