Public engineering firm directory

Find engineering consulting firms by capability and location.

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406 Engineering Inc

Kalispell, MT

Work Hard | Work Smart | Enjoy Life

WebsitePhone2 offices18 leadersFounded 2018Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Provides Comprehensive Civil Engineering DesignService: Focusing On Individual Rural SystemsIndustry: Land DevelopmentType: Civil Engineering+11 more

A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects1 leadersFounded 1986Updated Jun 2026

Project: Flathead Lake Engineered Septic System

Service: PowerService: Substation DesignService: Transmission Line DesignIndustry: Electric UtilitiesIndustry: Land DevelopmentType: Civil Engineering+19 more

AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

Website22 offices6 leadersFounded 1991Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: WaterService: WastewaterIndustry: Automation & ControlsIndustry: Environmental & RemediationType: Civil Engineering+29 more

APEC Engineering, Inc.

Somers, MT

APEC Engineering, Inc. is an innovative, locally owned and operated civil engineering firm licensed in Montana and serving northwest Montana since 1998. Headquartered in Somers, Montana, APEC's team of highly qualified professionals provides civil engineering services including water resources, land development, environmental permitting, planning, and construction engineering to clients across Montana and North Dakota. APEC Engineering is committed to efficient design, modern capabilities, and hands-on consulting, serving communities in Kalispell, Bigfork, Whitefish, Columbia Falls, and throughout the region.

WebsitePhone1 office2 projectsFounded 1998Updated Jun 2026

Project: The Wilderness Club

Service: Water ResourcesService: Community water and sewer designService: Storm water managementIndustry: Land DevelopmentIndustry: Water SupplyType: Civil Engineering+43 more

Allied Engineering Services Inc

Bozeman, MT

Diverse Projects. Solutions That Last.

WebsitePhone1 office14 projects1 credentialsFounded 1996Updated Jun 2026

Project: Bozeman Public Safety Center

Service: Civil EngineeringService: SubdivisionsService: Water and Wastewater Systems DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+59 more

Alpine Surveying & Engineering, Inc.

Bozeman, MT

Delivering Personalized Surveying & Engineering Solutions

WebsitePhone1 office6 leaders4 credentialsFounded 2002Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Commercial and light industrial site design and permittingService: Road and utility planning, design, and permittingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+36 more

Big Sky Civil & Environmental, Inc.

Great Falls, MT

Engineering Solutions for Complex Projects

WebsitePhone1 office3 projects3 leaders1 credentialsFounded 2008

Project: Great Falls Town Pump

Service: Water SystemsService: Water TreatmentService: StorageIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+31 more

Bridger Engineers

Bozeman, MT

Bridger Engineers is a diversified civil and structural engineering firm based in Bozeman, Montana, founded in 1995 by Ed Matos and Brad Ebel. It serves clients throughout the Rocky Mountain region and beyond, with more than 60% of workload coming from repeat clients. Bridger provides structural engineering including historic restoration, rehabilitation, seismic mitigation, and forensic services, alongside civil engineering for land development projects including commercial sites, residential subdivisions, and ranch compounds in southwestern Montana.

WebsitePhone1 office2 leadersFounded 1995Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Historic Restoration and RehabilitationService: Preliminary Inspections and EvaluationsIndustry: CommercialIndustry: ResidentialType: Civil Engineering+15 more

Brosz Engineering, Inc.

Bismarck, ND

Civil Engineering and Surveying across the Dakotas and Montana

Website9 offices1 projectsFounded 1982Size Estimate: 100-199 employeesUpdated Jun 2026

Project: Copper Creek Mixed-Use Development

Service: Civil EngineeringService: Municipal ProjectsService: Transportation ProjectsIndustry: TransportationIndustry: GovernmentType: Civil Engineering+26 more

Carver Engineering

Kalispell, MT

Consulting civil engineering services with a meticulous commitment to detail

WebsitePhone1 office7 projects5 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Project: Whitefish Mountain Resort

Service: Water Resources EngineeringService: Water Treatment and SupplyService: Wastewater Collection and TreatmentIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+13 more

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

Coldwater Engineering

Helena, MT

Coldwater Engineering is a Helena, Montana-based civil engineering practice specializing in hydrology and hydraulics, railroad engineering, environmental permitting, and survey. Founded around railroad infrastructure, it has completed nearly a thousand Class I railroad projects across 23 states, with long-term master services agreements with Union Pacific Railroad and Kansas City Southern. Core capabilities include bridge opening analysis, scour analysis and countermeasure design, floodplain permitting, streambank stabilization, and wetland delineation.

WebsitePhone1 office4 projects4 leaders1 credentialsUpdated Jun 2026

Project: Union Pacific Railroad Bridge 59.43 - Milwaukee Subdivision, Wisconsin

Service: Hydrology and HydraulicsService: Bridge Opening Analysis and DesignService: Scour Analysis and Countermeasure DesignIndustry: RailIndustry: BridgesType: Civil Engineering+18 more

Crimson Engineering Associates, Inc.

Golden, CO

consulting engineers

WebsitePhone6 offices2 leadersFounded 2008Updated Jun 2026

Service detail: Construction Engineering & Project Management

Service: Construction Engineering & Project ManagementService: Temporary Structure Design, Analysis & ReviewService: Scaffold DesignIndustry: IndustrialIndustry: Sports & RecreationType: Civil Engineering+23 more

Cushing Terrell

Billings, MT

Imagine. Create. Improve.

WebsitePhone17 offices7 projects2 leaders4 credentialsFounded 1938

Project: Google Henderson Hub

Service: ArchitectureService: Historic PreservationService: Adaptive ReuseIndustry: CommercialIndustry: EducationType: Architecture & Engineering+38 more

DCI Engineers

Seattle, WA

Service. Innovation. Value.

WebsitePhone22 offices1 projects4 leadersFounded 1988Size Estimate: 350+ employees

Project: The Artise

Service: Structural EngineeringService: High-rise and performance-based designService: Seismic and adaptive renovationIndustry: CommercialIndustry: Multifamily ResidentialType: Structural Engineering+36 more

DJ&A, P.C.

Missoula, MT

Engineering, Surveying, Environmental & Planning Services

WebsitePhone3 officesFounded 1973Size Estimate: 150+ employeesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway and Highway DesignService: Logging Road EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+43 more

Deluxe Engineering LLC

Butte, MT

Expert Engineering. Trusted Results.

WebsitePhone1 office6 projectsUpdated Jun 2026

Project: Anaconda Waterlines Design

Service: Infrastructure DesignService: Water LinesService: Sewer LinesIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+19 more

Devco Engineering, Inc.

Corvallis, OR

Your Partner for Exceptional Engineering

WebsitePhone3 offices6 projects8 leadersFounded 1969Updated Jun 2026

Project: Renaissance Multi-family Housing

Service: Civil EngineeringService: Structural EngineeringService: Cold-Formed SteelIndustry: Multifamily ResidentialIndustry: CommercialType: Civil Engineering+10 more

EEC

Billings, MT

All under one roof. All working together.

WebsitePhone1 office3 projects3 leadersFounded 1998Size Estimate: 30+ employees

Project: MH EBY - Sales & Service Center

Service: ArchitectureService: Civil and Structural EngineeringService: Civil engineeringIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+11 more

Eli & Associates, Inc.

Missoula, MT

Land Surveying, Planning, and Engineering

WebsitePhone1 office2 leadersFounded 1972Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary surveysService: Lot surveysIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+36 more

Engineering Associates

Cody, WY

Engineering Wyoming.

WebsitePhone10 offices4 leadersFounded 1952Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Architectural EngineeringService: Environmental ReviewsIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+20 more

Engineering Inc Mt

Concord, CA

Intelligent Infrastructure. Enduring Communities.

Website14 offices2 leadersFounded 2023Updated Jun 2026

Service detail: Transportation Engineering

Service: Civil EngineeringService: Transportation EngineeringService: Traffic EngineeringIndustry: MiningType: Civil Engineering+12 more

Everly & Associates

Butte, MT

Diversified engineering and land surveying serving the Western States since 1946.

WebsitePhone1 office1 leaders3 credentialsFounded 1946Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land SurveyingIndustry: Land DevelopmentIndustry: Stormwater & Flood ControlType: Civil Engineering+3 more

Foley Engineering Inc.

Kalispell, MT

Exceptional Service Exceeding Expectations

WebsitePhone1 office5 leadersFounded 2017Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Water System DesignService: Wastewater Treatment DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+19 more