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GSI Water Solutions, Inc. Employee Directory

Environmental ServicesOregon, United States51-200 Employees

GSI Water Solutions, Inc. is a specialized groundwater, environmental, and water resources consulting firm. It supports clients in safeguarding shared water resources through practical, science-based approaches. The company is based in Portland, Oregon, and was founded in 2000 by three former colleagues who left a larger consulting firm. It operates as an employee-owned S-corporation with five offices across two states.

Since its founding, the firm has served more than 300 clients across public and private sectors, including city governments and international companies. Its expertise spans hydrogeology, hydrology, remedial engineering, water resources, and environmental science, complemented by in-house capabilities in GIS, graphics, technical writing, editing, and document production.

Find GSI Water Solutions, Inc. employees' phone numbers or email addresses

GSI Water Solutions, Inc. Global Highlights

Location
Employees

North America
98

Minus sign iconPlus sign icon
  • United States Of America
    98

GSI Water Solutions, Inc.'s Leadership

  • President at GSI Water Solutions, Inc.
    E. R.
    President
    Mobile Phone
  • Founder President at GSI Water Solutions, Inc.
    A. C.
    Founder President
    Mobile Phone
  • Founding Partner at GSI Water Solutions, Inc.
    H. P.
    Founding Partner
    Mobile Phone
  • Principal Hydrogeologist at GSI Water Solutions, Inc.
    F. D.
    Principal Hydrogeologist
    Mobile Phone
  • Staff Environmental Engineer at GSI Water Solutions, Inc.
    J. G.
    Staff Environmental Engineer
    Mobile Phone
  • Principal Water Resources Consultant at GSI Water Solutions, Inc.
    K. G.
    Principal Water Resources Consultant
    Mobile Phone
  • Senior Consultant at GSI Water Solutions, Inc.
    M. T.
    Senior Consultant
    Mobile Phone
  • Laborer at GSI Water Solutions, Inc.
    J. J.
    Laborer
    Mobile Phone

GSI Water Solutions, Inc. Employee Metrics

100%
50%
0%
2026
2025
  • Biotechnology
  • Consultant
  • Human Resources
  • Accounting
  • Information Technology
  • Other

Contact profiles from GSI Water Solutions, Inc.

Name
Title
Contact
Location
Last Update
  • President at GSI Water Solutions, Inc.
    E. R.
    President
    Mobile Phone
    Sep 19, 2026
  • Founding Partner at GSI Water Solutions, Inc.
    H. P.
    Founding Partner
    Mobile Phone
    Sep 09, 2026
  • Founder President at GSI Water Solutions, Inc.
    A. C.
    Founder President
    Mobile Phone
    Jul 07, 2024
  • Principal Hydrogeologist at GSI Water Solutions, Inc.
    F. D.
    Principal Hydrogeologist
    Mobile Phone
    Oct 17, 2024
  • Staff Environmental Engineer at GSI Water Solutions, Inc.
    J. G.
    Staff Environmental Engineer
    Mobile Phone
    Oct 17, 2024
  • Principal Water Resources Consultant at GSI Water Solutions, Inc.
    K. G.
    Principal Water Resources Consultant
    Mobile Phone
    Oct 16, 2024
  • Senior Consultant at GSI Water Solutions, Inc.
    M. T.
    Senior Consultant
    Mobile Phone
    Oct 16, 2024
  • Laborer at GSI Water Solutions, Inc.
    J. J.
    Laborer
    Mobile Phone
    Oct 18, 2024

Frequently Asked Questions

What is GSI Water Solutions, Inc. known for?

Minus sign iconPlus sign iconGSI Water Solutions, Inc. was founded in 2000 and operates in the Environmental Services industry. You can contact GSI Water Solutions, Inc.'s main corporate office by phone at
+1-971-200-****
. Explore GSI Water Solutions, Inc.'s company overview page for more information.

What is GSI Water Solutions, Inc.'s most common email format?

Minus sign iconPlus sign iconGSI Water Solutions, Inc. employees' email format typically follows the pattern of FLast@gsiws.com. Trying to find reliable and up-to-date employee contact data? Find more GSI Water Solutions, Inc. email formats with LeadIQ.

How many employees does GSI Water Solutions, Inc. have currently?

Minus sign iconPlus sign iconGSI Water Solutions, Inc. has approximately 81 employees as of September 2026. These team members are located across 1 continents, including North America.

Who are GSI Water Solutions, Inc.'s key employees and leadership?

Minus sign iconPlus sign icon

As of September 2026, GSI Water Solutions, Inc.'s key employees include:

  • President: E. R.
  • Founder President: A. C.
  • Founding Partner: H. P.
  • Principal Hydrogeologist: F. D.
  • Staff Environmental Engineer: J. G.

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