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Most of our clients are in th United States but there are occasions when we have worked overseas. Our clients are for-profit businesses, by and large. However, from time to  time we have worked for municipalities and state government. 

Geosciences Services Associates (GSA) has begun quite recently. The list below contains a sampling of clients served by the principal when GSA was incorporated.

  • ABB Environmental
  • Associated Environmental Scientists
  • BETA Engineering
  • Brown & Root Environmental
  • Chesapeake Environmental Consultants
  • Clendenin Consulting
  • DELTA Environmental Consultants
  • DETEC Inc.
  • DuFresne Henry
  • Earth Tech
  • Environmental Science & Engineering
  • Environmental Science Services
  • ERM New England
  • GEI Consultants
  • Geosite Environmental
  • IES Inc.
  • IT Corp.
  • Killam Associates
  • The Johnson Co.
  • Omega Environmental
  • Paul Aldinger Associates
  • Roux Associates
  • Roy F. Weston
  • SEA Consultants
  • Tetra Tech NUS
  • Tyree Corp/
  • Virginia Department Environmental Quality
  • Woodward & Curren