Insurance Australia Group Limited is a multinational insurance company. It is the largest general insurance company in Australia, and also the largest in New Zealand through its subsidiary IAG New Zealand. IAG had its origins in the National Roads and Motorists' Association NRMA. It is headquartered in Sydney, Australia. The NRMA Insurance business demutualised in July 2000, separating from NRMA, with an issue of shares to NRMA members. NRMA Insurance Group Limited changed its name to Insurance Australia Group Limited on 15 January 2002, according to its website. IAG is an umbrella organization with numerous well known insurance brands it has acquired. The name IAG is not itself a customer-facing brand. IAG is listed on the Australian Securities Exchange and is a constituent of the S&P/ASX 50 index. Wikipedia