PSI INTERNATIONAL, Inc. (PSI), founded in 1977, is a Fairfax, Virginia-based company that provides a blend of technology, health science, social services, and energy management services to our clients throughout the world. PSI came of age as a traditional information technology company. Through the years we have acquired and developed outstanding subject matter expertise in health sciences and social services, as well as substantial knowledge in other technical disciplines. The broad spectrum of services we offer supports the missions of organizations that greatly impact those living in our communities.
