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  Welcome to CGC Inc.
  • CGC, Inc. specializes in geotechnical engineering and design, construction observation and laboratory testing services on projects ranging from small one-story additions to major high rise buildings, lakes/retention ponds, wastewater treatment facilities, landfills, highways, bridges, and other structures.

  • As a direct result of the firm's highly experienced professionals, its focus on responsive service, and its loyal clients, CGC has successfully completed over 10,000 projects since its inception in 1994.

  • Offices in both Madison and Milwaukee are easily accessible to our clientele.
CGC Inc. 2921 Perry St. | Madison, WI. 53713 | (608) 288-4100 |Fax (608) 288-7887 |
  336 S. Curtis Road | West Allis, WI 53214| (414) 443-2000 | Fax (414) 443-2099