Gulf International Services QSC operates as a holding company, which provides investment services for national and international oil and gas companies. It operates its business through the following segments: Insurance, Aviation, Catering, and Drilling. The Insurance segment provides insurance and reinsurance services. The Aviation segment engages in the provision of helicopter maintenance and transportation services in Qatar and India. The Catering segment provides catering, manpower, and related services. The Drilling segment involves in the provision of drilling, and ancillary services. Gulf International Services was founded on February 12, 2008 and is headquartered in Doha, Qatar.