Arthur J. Gallagher, an insurance brokerage and risk management services firm, agreed to acquire Hruska Insurancenter, a retail property and casualty brokerage. Financial terms were not disclosed. "Hruska Insurancenter is a specialist broker that will further expand our presence, markets and expertise in the habitational and commercial real estate marke. I am very pleased to welcome Chuck and his associates to Gallaghert," J. Patrick Gallagher, Arthur J. Gallagher Chairman, President and CEO.