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Major Projects


GCS has successfully worked for a diversified group of clients all throughout the United States that includes public and private entities, union and open shop contractors, engineers, attorneys and sureties. We specialize in the field of heavy civil projects i.e. major bridges and structures, highway, marine, heavy civil, foundations, etc. both fully designed and design build. We provide consulting expertise in various disciplines, such as; change order/claim preparation and negotiation, heavy civil bottom up cost estimates, P-6 contract time determination and detailed P-6 contract schedules and constructability/value engineering studies. Listed below is a representation of the clients we've worked for.

  • Parson Brinkerhoff
  • HNTB
  • Fluor Corporation
  • TranSystems
  • URS
  • Kiewit Construction
  • Travelers
  • Parsons Transportation Group


Click here for a more complete list of Major Projects.