Global insurance brokerage Willis Group Holdings Ltd. said ithas acquired Carter Insurance Group Inc., based in Tampa, Fla.Terms of the transaction were not released.

Carter Group is an underwriting manager and programadministrator specializing in franchised auto, truck, recreationalvehicle dealers and the auto/truck service businesses. CarterInsurance will be part of Willis' Programs Practice.

Founded in 1927, the Carter Group serves independent insuranceagents and brokers in 49 states in the auto and auto serviceindustries. Car-Pac, one of the Carter Group's key programs, writesproperty-casualty insurance for auto, truck and RV dealerships.

Its Auto Service Center program is designed to meet the needs ofauto and truck service centers, parts stores, tire stores,convenience stores with gas services, and more.

The management and staff of the Carter Group–a total of 21–willremain with the company, and no immediate changes in operations areplanned.

“Our acquisition of Carter Insurance Group is consistent withour stated approach to acquisitions for growth,” said Joe Plumeri,chairman and chief executive officer of Willis, in a statement.“We've got a strong program business and are committed to growingit in a directed and meaningful way. Carter brings strength to animportant sector of the economy, and we look forward to growingthis business together.”