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Built for execution. Backed by experience. At GSD, we provide flexible, high-quality EPC support that helps our partners and clients deliver with confidence. Founded by senior professionals with deep roots in the energy and infrastructure sectors, GSD blends technical rigor with the agility of a small, focused team. We serve a broad range of clients—from terminal operators to engineering firms—by offering scalable, project-ready expertise across engineering, procurement, and construction disciplines. How we support your success: Collaborative delivery – We integrate seamlessly with your teams, providing extra capacity without the overhead. Experienced leadership – Our founders stay involved to ensure consistency, accountability, and clarity. Process-driven results – We bring standardized systems that support transparency and alignment. Adaptable resourcing – Whether you need full project execution or targeted support, we flex to fit your needs. GSD is a trusted partner to engineering firms and owner-operators alike. Our goal isn’t to compete—it’s to complement. Together, we can build faster, smarter, and with greater confidence.

Employees 12 (3 on RocketReach)
Industry Engineering Services

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Mark Crepps is the Co-Founder of GSD.

3 people are employed at GSD.

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