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.

Filters1

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

Alpha Omega Engineering

Boise, ID

Alpha Omega Engineering is a civil engineering firm based in Boise, Idaho, specializing in land development. Founded in 2006 and owned and operated by Mike Liimakka, a civil engineer practicing in Idaho's Treasure Valley since 1998, Alpha Omega brings over 30 years of civil consulting experience to commercial, hospitality, and residential projects across the region and nationwide. Its portfolio spans large multi-acre retail developments, big-box retail sites, multi-phase commercial projects, and residential subdivisions ranging from 3-lot projects to 510-lot communities. Clients include national retail brands such as Tractor Supply, Target, and Albertsons and hospitality names including Marriott, Hilton, and Hampton Inns.

WebsitePhone1 office3 projects1 leadersFounded 2006Updated Jun 2026

Project: Marriott Dual Branded Hotel - Hawthorne, CA

Service: Site Evaluation and FeasibilityService: Site Feasibility StudiesService: Hydrology and Hydraulic StudiesIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+21 more

Axiom PLLC

Boise, ID

Facilitating collaboration to simplify projects and reduce construction time.

Website1 officeFounded 2011Updated Jun 2026

Service detail: Integrated Steel Delivery

Service: Structural Design & EngineeringService: Integrated Steel DeliveryService: Digital FacilitationIndustry: CommercialIndustry: IndustrialType: Structural Engineering+1 more

Bowen Collins & Associates

Draper, UT

Experts in Water

WebsitePhone6 offices8 projects6 leaders3 credentialsFounded 1997

Project: Utah Lake Pump Station Redesign

Service: WaterService: Pipeline designService: Storage tank and reservoir designIndustry: GovernmentIndustry: IndustrialType: Civil Engineering+65 more

C3 Civil Engineering

Boise, ID

Character. Commitment. Communication.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Project Planning and Permitting

Service: Project Planning and PermittingService: Due Diligence and Project FeasibilityService: Entitlement SupportIndustry: CommercialIndustry: ResidentialType: Civil Engineering+11 more

CSHQA

Boise, ID

CSHQA is a multi-discipline architecture and engineering firm founded in 1889, with offices in Boise, Denver, and Sacramento. For more than 135 years, CSHQA has designed airports that keep passengers moving, historic structures given decades more life, hotels that become destinations, and civic spaces that anchor communities. More than 100 professionals across three offices serve clients in markets including aviation, adaptive reuse, hospitality, retail, grocery, higher education, and multifamily housing, with services spanning architecture, mechanical, electrical, plumbing, and civil engineering, historic preservation and restoration, interior design, landscape architecture, and modular design.

WebsitePhone3 offices4 leadersFounded 1889Size Estimate: 100+ employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: New ConstructionService: Adaptive ReuseIndustry: AviationIndustry: HospitalityType: Architecture & Engineering+25 more

Cator Ruma Associates Co

Lakewood, CO

Measured. Considered. Engineered.

Website4 offices11 leadersFounded 1959Updated Jun 2026

Service detail: Mechanical

Service: MechanicalService: HVACService: ElectricalIndustry: EducationIndustry: GovernmentType: MEP+8 more

Centurion Engineers, Inc.

Boise, ID

Consulting Engineers, Surveyors and Planners

WebsitePhone1 office4 leadersFounded 1921Size Estimate: 10-20 employeesUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: SurveyingService: Land Boundary SurveysIndustry: ResidentialIndustry: CommercialType: Civil Engineering+12 more

Ciani & Hatch Engineering PLLC

Seattle, WA

Geotechnical engineering, project management, and design

Website2 offices6 leadersFounded 2023Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Geotechnical Site Investigation

Service: Geotechnical Site InvestigationService: Exploration Plan & ROW PermittingService: Geologic Hazards & Critical Areas StudiesIndustry: InfrastructureIndustry: Water SupplyType: Geotechnical Engineering+26 more

Civil Innovations, PLLC

Boise, ID

Making Strides in Modern Engineering

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Civil Site DesignService: Road and Street DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+19 more

CivilSphere Engineering, PLLC

Boise, ID

Providing civil engineering and land planning services to the Treasure Valley and beyond.

WebsitePhone1 office1 leadersUpdated Jun 2026
Service: Civil EngineeringService: Design and DraftingService: Land PlanningIndustry: ResidentialIndustry: CommercialType: Civil Engineering+1 more

Control Engineers

Boise, ID

Industrial Electrical and Control Systems Engineering

WebsitePhone1 office7 projects5 credentialsFounded 2000Updated Jun 2026

Project: Surface Water Treatment Plant & Citywide Distribution Design

Service: Electrical EngineeringService: Power Distribution DesignService: Instrumentation & ControlsIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+17 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

DKS Associates

Oakland, CA

Shaping a Smarter Transportation Experience

Website8 offices7 projects1 leaders22 credentials4 publicationsFounded 1979

Project: Bellevue Downtown Multimodal Plan

Service: Transportation Planning & AnalysisService: Multimodal Corridor StudiesService: Traffic Impact StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+58 more

DMAero, LLC

Warner Robins, GA

Mission-ready engineering

WebsitePhone3 offices2 projects1 credentialsUpdated Jun 2026

Project: NextGen SMP Engineering Services

Service: Systems Engineering and IntegrationService: System designService: COTS and custom system integrationIndustry: DefenseIndustry: AerospaceType: Defense Engineering+34 more

Drake Integrations, LLC

Boise, ID

Addressing the needs of integrated building systems.

WebsitePhone1 office3 leaders13 credentialsFounded 2011Size Estimate: 1-10 employees

Service detail: Control Systems Engineering

Service: Control Systems EngineeringService: Control Systems DesignService: Piping and Instrumentation Diagrams (P&ID)Industry: CommercialIndustry: GovernmentType: Automation & Controls+26 more

EVstudio, LLC

Denver, CO

Delivering 360-degree expertise in architecture and engineering

WebsitePhone3 offices1 leaders1 credentialsFounded 2006Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Multifamily DesignService: Residential DesignIndustry: Multifamily ResidentialIndustry: ResidentialType: Architecture & Engineering+44 more

Engineering Consultants, Inc.

Boise, ID

Building relationships through honesty, integrity, and quality.

WebsitePhone1 office15 projects1 leadersFounded 1976Updated Jun 2026

Project: St. Luke's 27th St. Hospital

Service: Mechanical, Electrical, and Plumbing EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: IndustrialType: MEP+13 more

G3 Water Engineers LLC

Boise, ID

Custom Engineered Water and Wastewater Treatment Solutions

WebsitePhone1 office11 projectsUpdated Jun 2026

Project: Arizona Beverage Producer Treatment Facility Design

Service: Water and Wastewater Treatment EngineeringService: Treatment Process DesignService: Process OptimizationIndustry: WastewaterIndustry: Water SupplyType: Design-Build+21 more

GLR Engineers

Spokane, WA

Large Firm Experience, Small Firm Service

WebsitePhone2 offices8 projects8 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: River Street Lofts

Service: Consulting Engineering ServicesService: Value Engineering and Constructability StudiesService: Expert Consultant for Legal WorkIndustry: CommercialIndustry: RetailType: Structural Engineering+45 more

GeoEngineers

Redmond, WA

Caring people. Quality work.

Website4 offices5 projects3 leaders3 credentialsSize Estimate: 200-500 employeesUpdated Jun 2026

Project: 1918 Eighth Avenue Shoring Design

Service: Geotechnical EngineeringService: Foundation Design and RecommendationsService: Shoring and Support of Excavation DesignIndustry: Power GenerationIndustry: UtilitiesType: Geotechnical Engineering+65 more

Idaho Water Engineering

Boise, ID

When it Comes to Water Solutions, We’re in Your Corner.

WebsitePhone1 office18 leadersFounded 2009Updated Jun 2026

Service detail: Water Resources Engineering

Service: Civil EngineeringService: Water Resources EngineeringService: Water Resource ConsultingIndustry: AgricultureIndustry: Water ResourcesType: Civil Engineering+9 more

JLT Consultants LLC

Boise, ID

Building Tomorrow, Grounded Today

Website1 office2 projects3 leadersFounded 2018Size Estimate: 1-10 employeesUpdated Jun 2026

Project: ITD SH-55, State St. to Payette River Bridge

Service: Geotechnical EngineeringService: Site InvestigationService: Foundation DesignIndustry: Highways & RoadsIndustry: BridgesType: Geotechnical Engineering+19 more

KPFF Consulting Engineers

Portland, OR

KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.

Website33 offices5 projectsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Portland International Airport (PDX), Terminal Core Redevelopment

Service: Structural EngineeringService: Bridge EngineeringService: Protective DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+39 more