HATBORO, Pa.--(BUSINESS WIRE)--Aon Affinity, the consumer, association and program business of Aon plc (NYSE:AON), announced today that AXIS Insurance will be the new national program underwriter for A&E Advantage, Aon Affinity’s professional liability insurance program for architecture and engineering firms. With AXIS Insurance, the A&E Advantage program will now be able to offer coverage for architecture and engineering firms with billings up to $7.5 million. “Aon Affinity is very ple