Stalworth Underground
ConstructionIllinois, United States11-50 Employees
Stalworth Underground is a construction contractor that specializes in heavy civil work, building foundations, and earth retention systems. It serves general contractors and construction managers by providing foundation and ground-stabilization solutions for complex projects. Founded in 2012 and based in the Chicago region, the company concentrates its work in Chicago and Northwest Indiana, with the ability to take on larger or atypical projects when they align with its capabilities. Beyond the core area, it has completed major projects in southern Illinois and Louisiana. The firm emphasizes engineering rigor, staff integrity, and a broad, long-term perspective as guiding principles that shape its project delivery.