Information Systems Associates FZE (commonly known as ISA) is an aviation software solution provider serving airlines, airports and travel agents. ISA was formed in 2005 as a joint venture between Airarabia LLC & John Keells Holdings (JKH) and the company is best known for its computer reservation system AcclAero,. The company is headquartered in Sharjah, UAE and the development center is based in Colombo, Sri Lanka.