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Welcome to the GSI Family of Companies


During these difficult times, GSI will continue to support our clients and customers and are committed to maintaining business continuity with as minimal disruption as possible, without compromising safety. Additionally, GSI is committed to supporting our Federal clients with immediate needs. As a 8(a) certified Native Hawaiian Owned firm, GSI has the ability to receive direct awards up to $100M without written Justification & Approval (J&A). The following provides links to our email and phone number to reach our Contingency Response Team.
crt@gsisg.com   1-571-776-9469
Letter   Direct Award Flysheet   Memorandum
As the situation around novel coronavirus (COVID-19) continues to evolve, GSI will closely monitor guidance from the Centers for Disease Control and Prevention and local health officials around the country. We will continue to rely on their recommendations and expertise to inform our decisions.

Growth through Solutions and Innovation

The GSI Family of Companies is an industry leading federal contractor. In just over 10 years, GSI's exemplary past performance has made us the client's choice to perform multiple complex projects across the US mainland, Alaska and the Pacific. We are a veteran owned certified 8(a) Small Business. All the GSI companies are subsidiaries of the Native Hawaiian Community Development Corporation, a Native Hawaiian Organization, founded to support science, technology, engineering, and math education for Native Hawaiians.