Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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406 Engineering Inc

Kalispell, MT

Work Hard | Work Smart | Enjoy Life

WebsitePhone2 offices18 leaders
Service: Civil EngineeringService: Provides Comprehensive Civil Engineering DesignIndustry: Land DevelopmentType: Civil Engineering+12 more

A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects
Service: PowerService: Substation DesignIndustry: Electric UtilitiesType: Civil Engineering+21 more

AE Dynamics LLC

Bozeman, MT

Your Partner for Efficient and Effective Design

WebsitePhone2 offices4 projects
Service: Structural EngineeringService: Primary Structure DesignIndustry: CommercialType: Structural Engineering+15 more

AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

Website22 offices6 leadersFounded 1991
Service: Water and Wastewater EngineeringService: WaterIndustry: Automation & ControlsType: Civil Engineering+31 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 projects
Service: Water ResourcesService: Community water and sewer designIndustry: Land DevelopmentType: Civil Engineering+45 more

ASI Industrial

Billings, MT

Build On Our Experience

Website1 office1 projectsUpdated Jun 2026
Service: Engineering & DesignService: Process EngineeringIndustry: AgricultureType: Process Engineering+16 more

Allied Engineering Services Inc

Bozeman, MT

Diverse Projects. Solutions That Last.

WebsitePhone1 office14 projects
Service: Civil EngineeringService: SubdivisionsIndustry: CommercialType: Civil Engineering+61 more

Alpine Surveying & Engineering, Inc.

Bozeman, MT

Delivering Personalized Surveying & Engineering Solutions

WebsitePhone1 office6 leaders
Service: Civil EngineeringService: Commercial and light industrial site design and permittingIndustry: ResidentialType: Civil Engineering+38 more

Altitude Engineering

Hamilton, MT

Altitude Engineering is a structural engineering firm located in the Bitterroot Valley, just south of Missoula, Montana. Altitude Engineering specializes in steel and aluminum structures and provides economical designs using precast and cast-in-place concrete, masonry, timber, and log framing. Altitude Engineering holds professional engineering registrations in thirteen states: Montana, Colorado, Wyoming, Idaho, Nevada, Alaska, Washington, Utah, Oregon, Arizona, Arkansas, Vermont, and Oklahoma. Representative project experience includes waterpark enclosure structures, aviation hangars, industrial crane pedestals, hospital expansions, and commercial facilities.

WebsitePhone1 office4 projects
Service: Structural Engineering DesignService: Steel and aluminum structuresIndustry: HealthcareType: Structural Engineering+15 more

Arrow Creek Survey Co.

Geyser, MT

Arrow Creek Survey Co. is a privately owned professional land surveying firm serving clients throughout Montana from offices in Geyser and Lewistown. Formerly operating as Lindseth Survey Co., Arrow Creek expanded by acquiring Milestone Surveying and now draws on more than forty years of historical survey records. Jeremy T. Milburn, PLS, leads the practice with over 25 years of surveying experience spanning projects in Montana, Alaska, Minnesota, and Russia. The team uses advanced Trimble GPS equipment, total stations, and CAD to deliver accurate results for residential, commercial, agricultural, and conservation clients.

WebsitePhone2 offices3 projects
Service: Land SurveyingService: Boundary SurveysIndustry: AgricultureType: Land Surveying+15 more

Associated Construction Engineering Inc

Belgrade, MT

Transforming Communities Since 1987

WebsitePhone6 offices5 projects
Service: Mechanical Design ServicesService: HVACIndustry: CommercialType: MEP+54 more

Axiom Engineering Group

Missoula, MT

Dream Bigger, Build Better

WebsitePhone4 offices5 projects
Service: Structural EngineeringService: Structural Designing, Planning & DraftingIndustry: CommercialType: Structural Engineering+62 more

Balance Engineering LLC

Butte, MT

Dedicated to Conserving Energy and other Natural Resources

Website1 office3 projects1 leaders
Service: Energy ManagementService: Energy AuditIndustry: AgricultureType: Power & Utility Engineering+15 more

Big Sky Acoustics

Helena, MT

Acoustical Design and Noise Control

WebsitePhone1 office1 projects
Service: Architectural AcousticsService: Architectural Acoustical DesignIndustry: Arts & CultureType: Acoustic Consulting+26 more

Big Sky Civil & Environmental, Inc.

Great Falls, MT

Engineering Solutions for Complex Projects

WebsitePhone1 office3 projects
Service: Water SystemsService: Water TreatmentIndustry: Water SupplyType: Civil Engineering+33 more

Black Sheep Engineering

Bozeman, MT

Game Changers. Future Chasers.

Website1 office3 leadersFounded 2015
Service: Mechanical EngineeringService: Geothermal SystemsIndustry: ResidentialType: MEP+16 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 leaders
Service: Structural EngineeringService: Historic Restoration and RehabilitationIndustry: CommercialType: Civil Engineering+17 more

Brosz Engineering, Inc.

Bismarck, ND

Civil Engineering and Surveying across the Dakotas and Montana

Website9 offices1 projectsFounded 1982
Service: Civil EngineeringService: Municipal ProjectsIndustry: TransportationType: Civil Engineering+28 more

CFR Engineering Consultants, Inc.

Germantown, MD

CFR Engineering Consultants, Inc. is a Maryland-based MEP engineering firm providing mechanical, electrical, plumbing, and fire protection engineering design and construction administration services. It serves federal agencies including NIH, NIST, NAVFAC, USACE, and USGS, with a strong portfolio in laboratory, cleanroom, and healthcare facility projects. CFR acts as Engineer of Record and prime consultant on complex renovation and fit-out projects ranging from BSL-2 research laboratories to pharmaceutical GMP spaces and hospital clinical facilities.

WebsitePhone2 officesUpdated Jun 2026
Service: MEP Engineering DesignService: Mechanical EngineeringIndustry: FederalType: MEP+14 more

CTL|Thompson, Inc.

Denver, CO

Engineering consultants and field technicians providing geotechnical, structural, materials, and environmental solutions.

WebsitePhone9 offices3 projects
Service: Geotechnical EngineeringService: Provides Specialized Ground CharacterizationIndustry: CommercialType: Environmental Engineering+31 more

Carver Engineering

Kalispell, MT

Consulting civil engineering services with a meticulous commitment to detail

WebsitePhone1 office7 projects
Service: Water Resources EngineeringService: Water Treatment and SupplyIndustry: GovernmentType: Civil Engineering+15 more

CoEngineers, PLLC

Missoula, MT

Collaborative network of forensic and practicing senior engineers

WebsitePhone1 office3 projects
Service: Forensic and Expert Witness EngineeringService: Causation and Liability AssessmentIndustry: LegalType: Forensic Engineering+19 more

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projects
Service: Civil EngineeringService: Bridge EngineeringIndustry: CommercialType: Civil Engineering+61 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 projects
Service: Hydrology and HydraulicsService: Bridge Opening Analysis and DesignIndustry: RailType: Civil Engineering+20 more