Quanta Subsurface, LLC Employee Directory

Oil & EnergyWashington, United States11-50 Employees

Quanta Subsurface, LLC operates within the oil and gas sector, offering a comprehensive suite of foundation design services that integrate structural, geotechnical, and civil engineering with site characterization and construction inspection. The firm focuses on delivering efficient foundation solutions suitable for a range of project sizes and subsurface conditions by coordinating engineering analyses with contractor methods and sequences, covering conventional spread footings to complex deep foundation systems in soil or rock. Its clients are likely projects requiring robust foundation design and on-site method coordination to address varying subsurface conditions and site constraints. Based in Spokane Valley, Washington, the company positions itself as a North American service provider with licensed professionals across U.S. states and Canadian provinces, and it maintains strategic construction partnerships across the region. A notable development in its history is the formation of Quanta Subsurface, Inc. as part of a broader group within Quanta Services, announced in December 2019. The organization is relatively small, employing a regional team focused on geotechnical and foundation-related services rather than a large, generalized practice.

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