American International Group, Inc. (AIG) is a leading international insurance organization serving customers in over 100 countries. AIG companies provide commercial, institutional, and individual customers with property-casualty and life insurance. American International Underwriters (Phils.) started operations in the Philippines in the 1920s and became part of AIG in 2009, with a paid-up capital of 300 million pesos making it one of the largest non-life insurers in the country.