Company Information


CGC Consulting, LLC provides geoscience related engineering and consulting services.

Our firm is led by LEED accredited professionals, and we strive to work on projects that represent sustainable initiatives. Several of our staff have OSHA 40 hour HAZWOPER training and 10 hour Construction Safety Certification. Many of our field representatives hold certifications by ACI and NICET. In addition, we have ICC Certified Inspectors.

With our office locations in PA, MD, NJ and DE, we can efficiently service projects in the mid-Atlantic region.


Stacy B. Ziegler, P.E., President, has over 20 years of experience in geotechnical site investigation and analysis, as well as in the evaluation and construction of pavements and mechanically stabilized earth structures. She has provided oversight of geotechnical aspects of large construction projects, including mat foundations, pile foundations, geosynthetic applications and stormwater management structures. Ms. Ziegler is also experienced in the performance of site evaluations for geothermal feasibility studies, and has received Accredited Installer certification from IGHSPA for closed loop geothermal systems.

Our staff consists of a diverse group of engineers and technicians.


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