Main Office:
1806 Terminal Drive,
Richland, Washington 99354
Phone: 509-946-7111
Email: cees@columbia-energy.com

Construction and Test Facility:
2701 Salk Avenue
Richland, Washington 99354

Satellite Office: 
152 Laurens Street, SW, Suite 100B
Aiken, South Carolina
Phone: 803-226-9052

Affiliate Companies:
hydroGEOPHYSICS, Inc. (HGI)
2302 North Forbes Boulevard
Tucson, Arizona 85745
Phone: 520-647-3428

N2K Design
1806 Terminal Dr.
Richland, Washington 99354
Phone: 509-946-7111

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