Phone (844) 535.3288   |   Fax (302) 489.2395


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

         Geotechnical engineering and foundation design

         Environmental services

         Wetland and natural resource related consulting

         Construction review and testing services including subgrade, rebar, concrete, masonry and structural steel review

         Stormwater Management / Civil Engineering Services

  • Field Infiltration Testing


With our office locations we can efficiently service projects in

          Carlisle, PA

          Wilmington, DE

          Riverside, NJ

          Havre De Grace, MD


CGC Consulting has the following certifications:

          State of Delaware WBE

          City of Philadelphia WBE

          Baltimore City WBE

          Baltimore County WBE

          Charles County, MD WBE

Federally classified as an economically disadvantaged Women Owned Small Business (EDWOSB) 



Our firm is led by professional engineers and LEED Accredited professionals, and we strive to work on sustainable, environmentally responsible projects.

Stacy B. Ziegler, P.E., LEED AP, 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.

Our staff consists of experienced engineers, scientists ICC certified inspectors, and field technicians.

NAICS Codes:
541330 Engineering Services
541620 Environmental Consulting Services
541380 Testing Laboratory

Capabilities Statement


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