Renewable Energy
GTTSI brings vast and diverse experience, along with skills and expertise, to the renewable energy domain.
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Nuclear Energy
GTTSi provides professional consulting, training, testing/examination, and project management services.
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Human Performance
GTTSi can provide Human Performance services tailored to client needs.
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Digital Solutions
GTTSi offers custom digital solutions, ranging from SEO to mobile app development, and others.
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Providing consulting and staffing services since 1980

GTTSi specializes in all elements of training, operations, project management, engineering, procedures, inspection / testing, quality, & administration.

We provide professional consulting, training, staffing, and construction services for nuclear energy, wind and solar energy, power utilities, and gas turbine design. Our Management and Consulting Teams are the most experienced technical professionals from the power, electrical utility, and engineering industries.