Arthur J. Gallagher & Co. (AJG) is an American global insurance brokerage and risk management services firm headquartered in Rolling Meadows, Illinois (a suburb of Chicago). The firm was established in 1927 and is one of the largest insurance brokers in the world. History The company dates back to 1927 when Arthur James Gallagher started a brokerage firm in Illinois. The end of World War II brought his three sons, John, James, and Robert, into the business. The company incorporated in 1950 when revenues were $175,000. In 1957, the firm won Beatrice Foods Company as a client. Despite the stiff competition in a crowded domestic market that put steady downward pressure on property and casualty premiums during the 1990s and dating back to the late 1980s, the firm was still able to record double-digit growth in all but three years from 1990 through 2000, according to Investor's Business Daily. Gallagher's purchased 16 smaller brokerages during 2000. The firm had grown its presence to include about 50 U.S. cities. A history and the values of the firm were documented by Robert E. Gallagher and Alison Kittrell in a book called The Gallagher Way, published in 2005 by Marketing Counsel and iUniverse. In 2010 Gallagher Brazil was established following the company's takeover of Securitas Re of São Paulo from Estater Gestao de Investimentos Ltda. In July 2015 the firm was ranked third in the Best's Review world's largest brokers list. In June 2016, it was announced that Gallagher had joined the Fortune 500 for the first time. Gallagher ranks 416 on the list as of 2 June 2021. In September 2020, Gallagher announced that it was a victim of a ransomware attack. In February 2021, Gallagher was recognized on the list of World's Most Ethical Companies by independent international arbiter Ethisphere. It was the company's tenth consecutive year of being on the list. In July 2022, Arthur J. Gallagher & Co. acquired Four Corners Group Inc., a Canadian executive search firm, for an undisclosed amount. International business During the first second quarter and the first half of the year, the company improved their profitability margin and posted growth in revenue and in earnings per share. The second quarter of 2016 saw Arthur J. Gallagher & Co. (NYSE: AJG) post an overall organic growth of 3.6% with $939 million in revenue in reported GAAP. Domestically in the United States, the company saw about