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doug_k-30-YEAR-1024x838

Douglas Kauffman Celebrates 30 Years with TDH Engineering!

July 9, 2019

Posted in News

We're a consulting engineering firm offering a wide range of services throughout Idaho, Montana, North Dakota, Pennsylvania, and Washington.

Great Falls, MT – HQ
Bozeman, MT
Helena, MT
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Media, PA
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Twin Falls, ID
Watford City, ND

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