American Benefit Plan Administrators Inc. has acquired another benefit plan administrator, Tedro & Associates Inc.

American Benefit, Tampa, Fla., is a large player in the union plan market.

Tedro, Wheeling, Ill., founded in 1980, focuses on administering Taft-Hartley funds, American Benefit says.

American Benefit is a unit of an affiliate of Sun Capital Partners Inc., Boca Raton, Fla., an investment firm.