Arthur Gallagher, an insurance brokerage and risk management services firm, has announced the acquisition of Petty Burton Associates of Montclair, New Jersey. Terms of the transaction were not disclosed.

Arlene Petty and her staff will continue to operate from their current Montclair location under the direction of Douglas Brown, northeastern regional manager of Gallagher’s retail brokerage services division.

Patrick Gallagher, chairman, president and CEO of Arthur Gallagher, said: Petty Burton Associates is a terrific example of how our acquisition campaign can broaden our insurance product and service capabilities. Their wealth of professional liability experience will be a great addition to our niche practice group. We are extremely pleased to welcome Arlene and her team to our growing Gallagher family of professionals.