Arthur J. Gallagher & Co. has announced the acquisition of Hammerberg Insurance Services, which does business as First Iowa Insurance Agency. Terms of the transaction were not disclosed.

Founded in 1912, First Iowa Insurance Agency offers commercial and personal property and casualty insurance, group and individual health, and individual life coverage and services to clients throughout the central United States. It also provides commercial safety, loss control and OSHA compliance consulting services.

Ronald Hammerberg, Robert Hammerberg and their employees will continue to operate from First Iowa’s Cedar Rapids, Iowa, location. They will report to Patrick M. Gallagher, head of Gallagher’s Midwest region retail property-casualty brokerage operations, and Jerry Roberts, head of Gallagher’s Heartland region employee benefits consulting and brokerage operations.

“First Iowa is a longstanding, well-respected firm that expands our presence in one of Iowa’s largest cities,” said J. Patrick Gallagher Jr., chairman, president and CEO of Gallagher. “I am pleased to welcome Ron, Bob and their associates to Gallagher.”