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Gregory Callahan

Bothell, MT Professional Engineer
Verified Active
Verify this license on the Montana Board of Professional Engineers and Professional Land Surveyors board

About

Gregory Callahan is a licensed Professional Engineer in Montana. The credential is registered under license number 86776 and is currently active. Licensure is issued and verifiable through the Montana Board of Professional Engineers and Professional Land Surveyors.

License Verification

License # 86776
Status Active
State MT
Expires Jun 30, 2026
Board Montana Board of Professional Engineers and Professional Land Surveyors
Verify at Licensing Board