Arthur J. Gallagher, a US-based global insurance brokerage and risk management services firm, agreed to acquire Erin P. Collins & Associates, a provider of consulting services. Financial terms were not disclosed. "ECA's business is closely aligned with Gallagher's health and welfare strategy, and further expands our benefits capabilities across the Southwest. They also offer us unique cross-selling opportunities. I am delighted to welcome Erin and his associates to our growing global team," J. Patrick Gallagher, Arthur J. Gallagher Chairman, President and CEO.