QATOS provides full-service staffing solutions to help your business to deliver better in a dynamic market environment. Headq ... uartered at Sacramento, California, USA, Our industry and market-specific focus, coupled with our dedication to customer satisfaction, has made us one of the most trustworthy and reliable companies in the world in our field. We deliver result-oriented technology solutions with a quick turn-around time that is efficient as well as cost-effective for customers across the globe. read more