Southern Infrastructure Group, LLC
Heavy Civil
Contractor
WELCOME TO SIG
Who We Are
Southern Infrastructure Group was formed in 2021 as a legacy company of Quest Civil Constructors, Inc. where the partners of SIG collaborated together during the prior two decades. Using the experience gained at Quest, SIG continues to pursue construction, rehabilitation, repair and demolition of diverse and complex heavy civil construction projects.
What We Build
We specialize in complex heavy civil construction projects. Our expertise includes dams, water and wastewater rehabilitation and new infrastructure, flood control channels, treatment plants, demolition, environmental, transportation and right of way improvements.
SIG Personnel Experience
Replacement of the Anaquitas Aqueduct
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CAVSARP Booster Station Expansion
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Cedar Creek Dam Embankment Modifications
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Elm Fork Water Treatment Plan Residuals Basin Site
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Signal Butte Water Treatment Plant Construction
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