Cornerstone Engineering, LLC, was established in 2017 by Mauricka McKenzie, Sr., P.E. to provide civil engineering, water resources engineering (water, wastewater and storm water), geotechnical engineering, solid waste management, contract administration and project management services to public and private entities throughout Mississippi, Alabama, Georgia, Tennessee, Louisiana, Arkansas, Wisconsin, Florida, and Texas. Due to a name overlap with a non-related company, we operate under Nehemiah Engineering, LLC, in Alabama, Arkansas, Texas, Read more…

We are a female minority owned construction company with over 60 years of combined experience in the water & sewer utility industry providing utility construction, design-build, engineering, and consulting. We have been in business since 2001 and headquartered in Atlanta, GA. We perform all phases of water distribution and sanitary sewer construction along with repair and rehabilitation of water & sewer infrastructure. Read more…