Clark Foundations, LLC: Detailed Company Information & Corporate Profile

Contact top employees from Clark Foundations, LLC

Summary

Clark Foundations, LLC is a building‑industry contractor based in McLean, Virginia, that has been operating since 1971.

The firm specializes in a full spectrum of foundation solutions including Augercast Piles, Deep Foundations, Driven Piles, Construction Dewatering, Drilled Pier, Historic Facade Support, Groundwater Management, Micropiles, Sheet Piles, Temporary Decking, Foundation Feasibility Analysis, Support of Excavation, and Underpinning. These services are delivered across diverse construction projects.

With a workforce of 100–200 professionals, the company reports revenue between $1 billion and $5 billion. Key leaders include Construction Executives Brian Renaghan and Kris Tolfsen, Senior Project Managers Matthew Voorhees and Sarah Sava, Project Managers Jonathan Gelvis Lopez, Luis Rodriguez, and others such as Design Manager Marwa Hasanzoi and Engineers Jonah Vest and Greg Cormier.

Clark Foundations, LLC Websiteclarkconstruction.com
Industries
Clark Foundations, LLC Headquarters Address7900 Westpark Dr, McLean, Virginia, 22102 US
Company Size100-200 employees
Specialities & ServicesAugercast Piles, Deep Foundations, Driven Piles, Construction Dewatering, Drilled Pier, Historic Facade Support, Groundwater Management, Micropiles, Sheet Piles, Temporary Decking, Foundation Feasibility Analysis, Support of Excavation, Underpinning
Founded1971
Estimated Annual Revenue$1B - 5B
Updated:2026-09-28

Estimated Website Traffic

The chart shows a decline in traffic to the clarkconstruction.com website. In September, traffic decreased to 258359, compared to 288418 in the previous month. The highest traffic in 2026 was recorded in March, reaching 414756 visits.

Workforce Turnover

Number of employees switched from or switched to

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Total employee turnover

Departmental sample breakdown

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Turnover activity captured in SignalHire's departmental sample ( employees):

Length of Employment

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Clark Foundations, LLC's workforce includes employees across a wide range of tenure levels.

50% have been with the company for 3 to 4 years25% have been with the company for 5 to 7 years25% have been with the company for more than 11 years

Former Employees: Role Changes

Role at Former Company
Role at New Company
Contact top employees from Clark Foundations, LLC
Larry Moore
Larry MooreDivision President
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Brian Renaghan
Brian RenaghanConstruction Executive
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Matthew Voorhees
Matthew VoorheesSenior Project Manager
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Sarah Sava
Sarah SavaSenior Project Manager
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Jonathan Gelvis Lopez
Jonathan Gelvis LopezProject Manager
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Mark Mohan
Mark MohanProject Executive
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Greg Simmons
Greg SimmonsSr. Preconstruction Manager
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Cory Surber
Cory SurberDirector of Operations
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Luis Rodriguez
Luis RodriguezProject Manager
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Jack Grondine
Jack GrondineProject Manager
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Matthew Soiland
Matthew SoilandProject Engineer
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Greg Cormier
Greg CormierEngineer
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Sarah Syed Irshad Ali
Sarah Syed Irshad AliProject Engineer
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Natalia Burgdorf
Natalia BurgdorfProject Engineer
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Clark Foundations, LLC Corporate Information: FAQ

Clark Foundations, LLC operates in the Building industries. More details can be found on the official website: clarkconstruction.com.
Clark Foundations, LLC has offices located in McLean, US.
The headquarters of Clark Foundations, LLC are located in McLean, United States.
Clark Foundations, LLC currently employs 100-200 people.

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