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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360 Engineering, Inc.

Golden, CO

Engineering & Consulting for the Built Environment

WebsitePhone1 office12 projects6 leaders17 credentialsFounded 2003

Project: DEN B-East & C-East Concourse Expansions

Service: Mechanical & Plumbing EngineeringService: HVAC DesignService: Plumbing EngineeringIndustry: EducationIndustry: GovernmentType: Mechanical Engineering+15 more

3D Engineering Solutions, LLC

Cincinnati, OH

Measuring & Modeling Quality

WebsitePhone1 office2 credentialsFounded 2007Updated Jun 2026

Service detail: 3D Laser Scanning & Digitizing

Service: 3D Laser Scanning & DigitizingService: Short Range 3D Laser ScanningService: Long Range Laser ScanningIndustry: AerospaceIndustry: AutomotiveType: Materials Testing+28 more

A D Marble Co Inc

King of Prussia, PA

Environmental, Cultural, and Water Resources Engineering

Website4 offices5 leadersUpdated Jun 2026

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Environmental Clearance and PermittingService: Construction Site Environmental ServicesIndustry: FederalIndustry: Power GenerationType: Environmental Engineering+14 more

AAI Environmental Corporation

Ashland City, TN

Professional environmental site assessments and due diligence services nationwide

WebsitePhone1 office6 projects1 credentialsFounded 1995Updated Jun 2026

Project: Windmill Farm Initial Planning Study

Service: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site AssessmentService: Phase III Environmental AssessmentIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+34 more

ADC Engineering

Hanahan, SC

ADC's Track Record Speaks for Itself

WebsitePhone3 offices17 projectsUpdated Jun 2026

Project: CHS Taxiways Repair

Service: Civil EngineeringService: Site PlanningService: Site Selection and Property Data ReportIndustry: AviationIndustry: CommercialType: Aviation Engineering+66 more

AMT Engineers, Architects, Planners

Athens, GA

Mindful Design, Balanced Innovation, Sustainable Solutions

WebsitePhone1 office4 projects3 leaders9 credentialsUpdated Jun 2026

Project: Food Bank of Northeast Georgia Expansion

Service: ArchitectureService: Historic preservation and adaptive reuseService: Commercial and tenant fit-outIndustry: CommercialIndustry: Historic PreservationType: Architecture & Engineering+33 more

Ackerman-Estvold Engineering & Management Consulting, Inc.

Minot, ND

architects + engineers

WebsitePhone4 offices3 projects1 leaders1 credentials1 publications

Project: Big M Building Reimagining

Service: Civil EngineeringService: Traffic & Transportation EngineeringService: Land Planning & DevelopmentIndustry: GovernmentIndustry: EducationType: Civil Engineering+43 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 projects1 leadersUpdated Jun 2026

Project: Jay Peak Waterpark Enclosure

Service: Structural Engineering DesignService: Steel and aluminum structuresService: Precast and cast-in-place concreteIndustry: HealthcareIndustry: CommercialType: Structural Engineering+13 more

Annex Engineering Group

Columbus, OH

Founded in 2017, Annex Engineering Group is a service-oriented MEP and fire protection engineering firm based in Columbus, Ohio. Annex offers mechanical, electrical, plumbing, and fire protection coordination engineering for projects ranging from office remodels, multi-family residential, and restaurants to manufacturing/industrial facilities and historical renovations. Licensed in 49 states and Washington D.C., Annex serves as the prototype engineer for several national clients, establishing design standards that reduce construction costs and timelines while increasing consistency and quality.

WebsitePhone1 officeFounded 2017Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC System DesignService: Central Plant SystemsIndustry: CommercialIndustry: RetailType: MEP+31 more

B+AC

Chelsea, MA

Streamlining complex client visions into elegant and efficient solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Design and Modification

Service: Structural Design and ModificationService: New ConstructionService: AdditionsIndustry: EducationIndustry: HealthcareType: Structural Engineering+26 more

Bawn Projects Inc

Greenwich, CT

Full service Architecture practice creating spaces between the trees.

Website1 office8 projects2 leadersFounded 2024Updated Jun 2026

Project: Lounsbury House

Service: Residential Design & New ConstructionService: Custom Single-Family HomesService: Lake Houses & Rural RetreatsIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+17 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

Brunsing Associates, Inc.

Santa Rosa, CA

Geotechnical and Environmental Engineering

WebsitePhone1 office10 projects9 leaders3 credentialsFounded 1990

Project: Landslide Repair - Fairfax

Service: Geotechnical EngineeringService: Soils ReportsService: Landslides and Slope StabilityIndustry: EducationIndustry: RailType: Geotechnical Engineering+33 more

Building Envelope Technologies, Inc.

North Easton, MA

Serving Owners, Architects, and Contractors across New England since 2000.

WebsitePhone1 officeFounded 2000Updated Jun 2026

Service detail: Building Envelope Inspection & Survey

Service: Building Envelope Inspection & SurveyService: Envelope inspections and condition surveysService: Facade ordinance inspectionsIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+17 more

CONCORR, Inc.

Sterling, VA

Analyze, Protect, Preserve

WebsitePhone1 office6 projects1 leaders3 credentials1 publications

Project: Jefferson Street Bridge

Service: Diagnostic and Evaluation ServicesService: Diagnostic Condition EvaluationService: Nondestructive TestingIndustry: BridgesIndustry: InfrastructureType: Civil Engineering+26 more

Calcoast Engineering & Design Group Inc.

Riverside, CA

Calcoast Engineering & Design Group Inc. is a family-owned civil and structural engineering firm based in Riverside, California, serving clients across Orange County and Riverside County since 2008. It provides civil and structural engineering, architectural design, and inspection services for residential, commercial, and industrial projects throughout Southern California, covering site grading, drainage, water quality management, street and roadway improvements, public works, seismic retrofitting, and historical rehabilitation.

WebsitePhone1 officeFounded 2008Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Grading PlanService: Drainage PlanIndustry: ResidentialIndustry: CommercialType: Civil Engineering+32 more

Christy/Cobb, Inc.

Birmingham, AL

Christy/Cobb, Inc. is a structural engineering firm based in Birmingham, Alabama, providing design and construction phase services for industrial, municipal, commercial, and educational projects throughout the Southeast US. It serves as either prime design professional or consultant to contractors, engineers, and architects, delivering innovative and economical structural solutions. Project types include bridges, deep foundations, building design and renovation, water supply facilities, restoration and preservation, specialty structures, and temporary structures.

WebsitePhone1 office21 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: BridgesService: Deep FoundationsIndustry: IndustrialIndustry: GovernmentType: Structural Engineering+10 more

Constantine Engineering Associates, LLC

Charleston, SC

Mechanical, Electrical, Plumbing, and Fire Protection Engineering Design Services

WebsitePhone2 offices5 projects4 leaders1 credentialsUpdated Jun 2026

Project: Owens-Thomas House HVAC System Upgrades

Service: Mechanical EngineeringService: HVAC Systems EngineeringService: Building Commissioning SupportIndustry: CommercialIndustry: EducationType: MEP+23 more

Crandall Engineering + Design

Gas City, IN

Engineering that works. Engineering with style.

WebsitePhone1 office2 projects2 leadersFounded 1997Updated Jun 2026

Project: Meridian Mark & the Schuyler Apartments

Service: Physical and Capital Needs AssessmentsService: USDA Rural Development AssessmentsService: HUD and LIHTC EvaluationsIndustry: Multifamily ResidentialIndustry: Affordable HousingType: Mechanical Engineering+29 more

DRH Engineers PLC

Warrenton, VA

QUALITY SOLUTIONS For Your Engineering Needs!

WebsitePhone1 office1 leaders28 credentialsFounded 1994Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Design and PlansService: Code Analysis and ReportsIndustry: CommercialIndustry: IndustrialType: Civil Engineering+36 more

Degenkolb Engineers

San Francisco, CA

Building a better future through innovative solutions

Website11 offices7 leaders1 credentialsFounded 1940Size Estimate: 250-500 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: New Building DesignService: Seismic RetrofitIndustry: HealthcareIndustry: EducationType: Structural Engineering+27 more

Delta Engineers, Architects, & Surveyors

Endwell, NY

We Are Your Trusted Partner

Website5 offices3 leaders1 credentialsFounded 1976Updated Jun 2026

Service detail: Architectural and Planning Services

Service: Architectural and Planning ServicesService: Pre-Design and ProgrammingService: Master PlanningIndustry: CommercialIndustry: EducationType: Architecture & Engineering+57 more

Dominion Due Diligence Group

Midlothian, VA

Navigating pathways to affordable, available, and resilient housing through expert environmental, engineering, and energy due diligence.

WebsitePhone3 offices2 projects11 leaders1 credentialsFounded 1994

Project: Transforming Affordable Housing in Virginia: A RAD/LIHTC Renovation

Service: Environmental Due Diligence & ComplianceService: Phase I & II Environmental Site AssessmentsService: HEROS Environmental ReviewsIndustry: Affordable HousingIndustry: Multifamily ResidentialType: Environmental Engineering+31 more

Doyle-Morgan Structural Engineering, Inc.

Santa Barbara, CA

Responsive, Reliable, Reputable Structural Engineering for Estate and Custom Homes

WebsitePhone1 office10 projects1 leaders3 credentialsFounded 2000

Project: East Mountain Drive

Service: New Construction and AdditionsService: Estate and Custom Residential DesignService: Commercial and Industrial BuildingsIndustry: ResidentialIndustry: CommercialType: Structural Engineering+27 more