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Interstate Engineering

Services / Engineering Services

2177 Lincoln Ave SE,
Sidney, MT 59270

(406) 433-5617

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Interstate Engineering provides consulting, engineering, land surveying, GIS/GPS, and planning services to municipal, county, state, and tribal governments in addition to private individuals and corporations. With headquarters in Jamestown, Interstate Engineering has nine main offices and three satellite offices in the states of North Dakota, Minnesota, Montana, and South Dakota. An employee-owned corporation in operation since 1976, Interstate Engineering employs more than 150 professionals. We strive to the professionals you need, people you trust.

Business Hours

Monday 8:00 AM - 5:00 PM

Tuesday 8:00 AM - 5:00 PM

Wednesday 8:00 AM - 5:00 PM

Thursday 10:00 AM - 5:00 PM

Friday 8:00 AM - 5:00 PM

Saturday Closed

Sunday Closed