For over 15 years, our exemplary past performance has made us the client’s choice for complex projects in Construction, Fuels, Environmental Services, Munitions, Engineering, Professional Services, and Information Technology (IT).
| The GSI Family of Companies comprises a range of small businesses and SBA 8(a)-certified firms, each offering unique expertise and capabilities to meet our clients’ evolving needs. |
| Headquartered in Hawai`i, with offices in Colorado, Washington, New Jersey, Maryland, Guam, and Japan— GSI provides services across the U.S. and the Pacific. |
| Each GSI company, collectively known as the GSI Family of Companies, is a subsidiary of a Native Hawaiian Organization (NHO) founded to benefit and support the Native Hawaiian community. |
GSI Family of Companies!
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