) today announced the acquisition of Human Resource Management Systems, LLC. in Naperville, Illinois.  Terms of the transaction were not disclosed. Established in 1997, Human Resource Management Systems, LLC. is an employee benefit insurance broker that offers a full range of group employee benefit products and consulting services to their clients throughout the United States.  They specialize in group health, life, long and short term disability, dental, retirement planning, human resource services and program administration.  Dan Rigby and his associates will continue to operate in their current location under the direction of William Ziebell, North Central Regional Executive Vice President of Gallagher's employee benefit consulting and brokerage operations.