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

2 Bravo Group LLC

We make sure buildings work

Website6 projectsUpdated Jun 2026
Service: Building CommissioningService: Design and submittal reviewIndustry: FederalType: MEP+20 more

2IM Group, LLC

Chicago, IL

2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.

WebsitePhone1 office5 projects
Service: Highways, Roads, and StreetsService: Roadway geometryIndustry: TransportationType: Civil Engineering+31 more

2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

WebsitePhone3 offices10 projects
Service: MEP/FP Engineering DesignService: Mechanical EngineeringIndustry: EducationType: MEP+39 more

3J Consulting, Inc.

Your Partner in Civil Engineering & Community Planning

Website8 projects6 leaders6 credentials
Service: Civil EngineeringService: Grading & DrainageIndustry: Land DevelopmentType: Civil Engineering+41 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leaders
Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportIndustry: TransportationType: Civil Engineering+27 more

3Vi, Inc.

San Ramon, CA

Engineering Excellence for a Sustainable Future

WebsitePhone3 offices1 leaders
Service: Systems Engineering & IntegrationService: SCADA and Control SystemsIndustry: TransitType: Electrical Engineering+20 more

50 States Engineering Corp.

Hackensack, NJ

Benefit from an innovative and diverse range of surveying and engineering experience.

WebsitePhone1 office7 projects
Service: Land SurveyingService: Construction layout and stakeoutIndustry: TransitType: Civil Engineering+30 more

5FOLD Engineering

Seminole, FL

Precision Unfolded. Mission Ready.

WebsitePhone1 office2 projects
Service: Design EngineeringService: Design for Manufacturing & SustainabilityIndustry: DefenseType: Mechanical Engineering+34 more

A D Marble Co Inc

King of Prussia, PA

Environmental, Cultural, and Water Resources Engineering

Website4 offices5 leadersUpdated Jun 2026
Service: Environmental EngineeringService: Environmental Clearance and PermittingIndustry: FederalType: Environmental Engineering+16 more

A. G. Consulting Engineering, PC

New York, NY

A. G. Consulting Engineering, PC is an established MEP and construction management consulting practice. It offers mechanical, electrical, plumbing, fire protection, fire engineering, LEED consulting, special inspection, and construction management services for infrastructure, institutional, and public works projects.

WebsitePhone5 offices8 projects
Service: MEP EngineeringService: Mechanical and HVAC Systems DesignIndustry: TransitType: MEP+19 more

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects
Service: EngineeringService: Water Systems DesignIndustry: GovernmentType: Civil Engineering+33 more

A.J. Adam Engineering, LLC

Towson, MD

Quality MEP Engineering Services You Can Trust

WebsitePhone1 officeFounded 2011
Service: MEP Engineering DesignService: Mechanical EngineeringIndustry: HealthcareType: MEP+46 more

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects
Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringIndustry: AirportsType: Civil Engineering+43 more

A2H

Memphis, TN

Full service planning and design.

Website5 offices5 projects16 leaders
Service: ArchitectureService: Interior DesignIndustry: HealthcareType: Architecture & Engineering+62 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects
Service: Land PlanningService: Zoning StudiesIndustry: GovernmentType: Civil Engineering+84 more

ABNA Engineering, Inc.

St. Louis, MO

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

WebsitePhone3 offices4 projects
Service: Civil EngineeringService: Water Resources EngineeringIndustry: InfrastructureType: Civil Engineering+43 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects
Service: Architecture & Interior DesignService: Programming and Test FitsIndustry: CommercialType: Architecture & Engineering+48 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026
Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportIndustry: AirportsType: Naval Architecture+29 more

AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects
Service: Civil EngineeringService: Transportation DesignIndustry: GovernmentType: Civil Engineering+27 more

AG|CM

Corpus Christi, TX

Professional Project Management Group

WebsitePhone5 offices4 projects
Service: Program ManagementService: Master Planning & ProgrammingIndustry: HealthcareType: Owner's Engineer+26 more

AHBL, Inc.

Tacoma, WA

Shaping Stronger Communities

WebsitePhone4 offices14 projects
Service: Civil EngineeringService: Site Development SolutionsIndustry: EducationType: Civil Engineering+43 more

AI Engineers, Inc.

Cromwell, CT

Improving Life. By Design.

WebsitePhone1 office4 projects
Service: BridgesService: Bridge structural designIndustry: FederalType: Civil Engineering+47 more

AIG Technical Services, LLC

Houston, TX

AIG Technical Services, LLC is a Houston-based engineering consulting practice specializing in transportation infrastructure. It offers a multi-disciplinary blend of planning, engineering, and program management services for various transportation projects, ranging from local improvements to large-scale corridor developments across Texas. The practice focuses on delivering cost-effective and safe solutions by collaborating closely with public agency clients to address complex engineering and planning challenges.

WebsitePhone2 offices6 projects
Service: Transportation PlanningService: Formulates Long-term StrategiesIndustry: Highways & RoadsType: Civil Engineering+18 more

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026
Service: Environmental ServicesService: Environmental Impact AssessmentIndustry: Land DevelopmentType: Civil Engineering+52 more