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Keller Group
From urban high-rise construction to large-scale site development, our team delivers deep foundations, ground improvement, and earth retention solutions tailored to Atlanta’s complex subsurface conditions.
Based in Atlanta, Keller supports projects across Georgia, Alabama, and Mississippi, including major metro areas such as Atlanta, Birmingham, and Jackson. Our teams bring regional expertise across diverse site conditions, from dense urban environments to large-scale commercial and industrial developments.
Geotechnical expertise in Atlanta
Atlanta’s geology presents unique engineering challenges that require specialized knowledge. Keller’s Atlanta team has experience addressing:
- Expansive red clay soils that shrink and swell with moisture changes
- Variable subsurface conditions and shallow bedrock
- Site development on rolling terrain
- High-growth urban construction environments
These conditions can significantly impact foundation performance, requiring tailored geotechnical solutions to ensure long-term stability.
Our geotechnical solutions
Key contacts
Justin Simmons, PE, is a Branch Manager at Keller North America.
Justin joined Keller in 2018 and has progressed through leadership roles, including Project Manager, Senior Project Manager, Project Executive, and Branch Manager. His experience includes deep foundations, geotechnical construction, project execution, and operational leadership on large infrastructure and commercial projects throughout the Southeast.
Justin earned both a Bachelor of Science and a Master of Science in Civil Engineering from the University of Central Florida and is a licensed Professional Engineer.
Tony Sak is a Senior Engineer Business Development at Keller North America.
Tony has more than 30 years of experience in geotechnical consulting and construction. His background combines geotechnical engineering, foundation design, and business development, and he supports clients across the Southeast on complex infrastructure, industrial, energy, transportation, and commercial projects.
Tony earned both a Bachelor of Science and a Master of Science in Civil Engineering from the University of Illinois Urbana-Champaign and is a licensed professional engineer in multiple states.
Featured projects
Institutional
Mercedes-Benz Stadium
Keller offered an accelerated schedule and worked 10 to 12-hours, six days a week to complete the project within five weeks of mobilization.
Institutional
Zoo Atlanta - Grand New View
Zoo Atlanta first opened in 1889 and has undergone several renovations. Keller provided support of excavation as part of the zoo’s newest renovation, the “Grand New View”.
Institutional
University of Georgia Sanford Stadium
Keller successfully completed low headroom auger cast piles on time and on budget while working around an aggressive, restricted college football schedule.
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