406 Engineering, Inc. was formed in 2018 when a group of Civil Engineering professionals joined forces. 406 Engineering, Inc. (406) is a Civil Engineering and Land Use Planning Company specializing in public and private sector land use and community development projects throughout Montana. 406 currently has offices in Kalispell & Missoula, MT.
| Website | https://www.406engineeringinc.com/ |
| Revenue | $2 million |
| Employees | 31 (12 on RocketReach) |
| Address | 1201 S. 6th St W. Suite 102, Missoula, Montana 59801, US |
| Phone | +1 401-253-2300 |
| Industry | Civil Engineering, Architecture, Engineering & Design, Construction |
| Keywords | Subdivision Design, Civil Engineering, Land Development, Land Use Planning, Site Development, Urban Design, Infrastructure Planning, Public Sector Projects, Private Sector Projects, Community Planning, Environmental Planning, Transportation Planning, Water Resources Engineering, Land Surveying, Geotechnical Engineering, Municipal Engineering, Construction Management, Project Management, Zoning Regulations, Permitting |
| Competitors | WSP, Jacobs, AECOM, Kiewit, HDR, Fluor Corporation, Stantec, Tetra Tech, Black & Veatch, Kimley-Horn +40 more (view full list) |
| SIC | SIC Code 87 Companies, SIC Code 871 Companies |
| NAICS | NAICS Code 541 Companies, NAICS Code 5413 Companies, NAICS Code 54 Companies, NAICS Code 54133 Companies |
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406 Engineering Questions
The 406 Engineering annual revenue was $2 million in 2026.
Brian Throckmorton is the CEO of 406 Engineering.
12 people are employed at 406 Engineering.
406 Engineering is based in Missoula, Montana.
The NAICS codes for 406 Engineering are [541, 5413, 54, 54133].
The SIC codes for 406 Engineering are [87, 871].
Top 406 Engineering Employees
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Brian Throckmorton
Chief Executive Officer at 406 Engineering
Missoula, MT, US54 -
Tom Lunzman
Senior Project Manager at 406 Engineering
Whitefish, MT, US24 -
Craig Schaeffer
Senior Engineer and Surveyor at 406 Engineering
Missoula, MT, US25+ -
Christine Griffin
Project Manager at 406 Engineering
Columbia Falls, MT, US11 -
Jacob Zimmerman
Project Manager at 406 Engineering
Missoula, MT, US23 -
Karl Treadwell
Civil Engineering Intern at 406 Engineering
Montana, United States24 -
Larissa van Riet
Land Use Planner at 406 Engineering
Whitefish, MT, US2 -
Maggie Leysens
Branch Manager at 406 Engineering
Kalispell, MT, US3 -
Avery Auth
Civil Engineering Intern at 406 Engineering
Bozeman, MT, US2 -
Matthew Claussen
Surveying Technician at 406 Engineering
Missoula, MT, US
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