ASL Airlines Ireland (ASLI), formerly Air Contractors, is an Irish airline based in Dublin operating both passenger and cargo transportation services. The company is a subsidiary of ASL Aviation Holdings DAC, a significant aircraft leasing and airline ownership company, headquartered in Europe. ASLI's cargo operations utilise a mix of Airbus, Boeing and ATR aircraft working for several major blue chip integrators. The company also provides passenger operations on its B737 Charter service from Dublin and in 2014 commenced B757 transatlantic passenger operations for Aer Lingus.