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Building Future-Ready Solutions

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The Intersection Between Excellence and Innovation

Formerly Guth DeConzo, a rebrand in 2025 marked the beginning of our next chapter.

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engineering

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construction mgmt.

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Projects

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careers

PROJECTS

Featured Projects

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careers

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ABOUT

About Grant & Vine

Formerly Guth DeConzo, a rebrand in 2025 marked the beginning of our next chapter.

experience by the numbers

Years of Experience

30+

Completed Projects

5,000

States with projects

25+

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Serving New York and Beyond

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