ATJ Engineering, LTD. (ATJ) is a civil engineering consulting firm serving South Carolina’s Low Country.  ATJ was founded by Alvin T. Johnson, Jr., P.E. in 2011.  Our firm is founded on the principles of Loyalty, Integrity, and Diligence.  

ATJ is certified as a Small Business and a Small Emerging Business by the Small Business Association (SBA).  In addition to the previously mentioned, ATJ is also recognized as a Disadvantage Business Enterprise (DBE) by the South Carolina Department  of Transportation (SCDOT) through the Unified Certification Program and a Minority Business Enterprise (MBE) by the South Carolina Governor’s Office of Small and Minority Business Assistance.

ATJ Engineering, Ltd.

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