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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20/10 Engineering Group, LLC

Sustainable Designs | Better Engineering Vision

Website9 projectsUpdated Jun 2026

Project: Trinity International University - New Waybright Student Center

Service: Mechanical, Electrical, and Plumbing EngineeringService: HVAC and Climate Control SystemsService: Plumbing and Process Piping DesignIndustry: EducationIndustry: HealthcareType: MEP+26 more

2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders4 credentialsFounded 1979Updated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Site Drainage and Grading PlansService: Stormwater Pollution Prevention PlansIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+48 more

3 Rocks Engineering & Surveying

Cañon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects2 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Love's Travel Stop & RV Park Designs

Service: Civil EngineeringService: Residential and Commercial Site DevelopmentService: Oil and Gas Civil SupportIndustry: CommercialIndustry: ResidentialType: Civil Engineering+28 more

360 Energy Group

Chicago, IL

Your Energy Use Simplified

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Schaumburg Park District Energy Efficiency Study

Service: Program Design and ImplementationService: Public Sector ProgramsService: Geothermal Heat Pump DeploymentIndustry: GovernmentIndustry: UtilitiesType: Power & Utility Engineering+19 more

4M Engineering

Specialized civil and structural engineering services for bridges and infrastructure projects.

Website1 projectsUpdated Jun 2026

Project: Shasta Viaduct

Service: Temporary Works and Shoring DesignService: Bridge FalseworkService: Crane TrestlesIndustry: BridgesIndustry: InfrastructureType: Civil Engineering+22 more

A&Z Engineering

Fort Wayne, IN

Your Engineering Solutions... Start to Finish.

WebsitePhone2 offices4 leadersFounded 2005Updated Jun 2026

Service detail: Roadway, Highway, and Intersection Improvements

Service: Roadway, Highway, and Intersection ImprovementsService: Construction InspectionService: Trails and SidewalksIndustry: GovernmentIndustry: TransportationType: Civil Engineering+13 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 projects7 leaders13 credentialsFounded 1994

Project: NYCT Fulton Street Transit Center

Service: MEP EngineeringService: Mechanical and HVAC Systems DesignService: Electrical Systems EngineeringIndustry: TransitIndustry: RailType: MEP+17 more

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects1 leadersFounded 1974Updated Jun 2026

Project: Passamaquoddy Water Treatment Plant

Service: EngineeringService: Water Systems DesignService: Wastewater Systems DesignIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+31 more

A.M. Engineering

Elko, NV

Civil Engineering, Surveying, and Project Management Services in Nevada

WebsitePhone2 offices1 projects2 credentialsUpdated Jun 2026

Project: NGM Cortez Hills Underground and Goldrush Master Survey Control Networks

Service: Civil EngineeringService: Streets and Highway DesignService: Aviation InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more

A.T.E. Solutions, Inc.

El Segundo, CA

When All Systems Must be Ready to Go

WebsitePhone2 offices1 projects3 credentialsUpdated Jun 2026

Project: US Navy High-Speed I/O Test Solution Demonstration

Service: Test Engineering ConsultingService: Automated Test Equipment SelectionService: Test Program DevelopmentIndustry: ElectronicsIndustry: GovernmentType: Electrical Engineering+23 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

AAA Engineering Design

Stanton, CA

AAA Engineering Design is a structural engineering firm based in Stanton, California, founded in 2009 by licensed Professional Engineer Aws Salahaldin. Serving Orange County, Los Angeles County, the Inland Empire, and San Diego County, AAA Engineering Design provides structural analysis, seismic retrofitting, ADU design, foundation engineering, and construction documentation for residential and commercial clients, with over 500 completed projects.

WebsitePhone1 office6 projects1 leaders3 credentialsFounded 2009

Project: CMU Warehouse Mezzanine

Service: Structural EngineeringService: Load-bearing analysisService: Foundation designIndustry: ResidentialIndustry: CommercialType: Structural Engineering+18 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects1 credentialsFounded 1993Updated Jun 2026

Project: WMATA Bus System Renovations

Service: Land PlanningService: Zoning StudiesService: Land Use Feasibility StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+82 more

ABD Tech Solutions, LLC

Achieving military interoperability

Website2 leaders1 credentialsUpdated Jun 2026

Service detail: Foreign Military Sales Support

Service: Foreign Military Sales SupportService: Pre-Letter of Request SupportService: Letter of Offer and Acceptance DevelopmentIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more

ABP Engineering

Omaha, NE

Precision in Practice

WebsitePhone1 officeUpdated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Process Design and ModelingService: Process SimulationIndustry: Biomass & BioenergyIndustry: MiningType: Structural Engineering+32 more

ACSSTechs, LLC

Harvest, AL

Expert Engineering Consultants

WebsitePhone1 office5 credentialsUpdated Jun 2026

Service detail: Software Engineering

Service: Software EngineeringService: Software Development EnvironmentsService: Software Architecture Design and ImplementationIndustry: SoftwareIndustry: Data CentersType: Software Engineering+6 more

AE Design

Denver, CO

All things electrical

WebsitePhone1 office8 projects5 leadersFounded 2004Updated Jun 2026

Project: Northglenn Recreation Center

Service: Electrical EngineeringService: Electrical Engineering DesignService: Renewable Energy SystemsIndustry: CommercialIndustry: EducationType: Electrical Engineering+22 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects1 leaders23 credentials3 publications

Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Service: Architecture & Interior DesignService: Programming and Test FitsService: Master Planning and Space ConsolidationIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+46 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AFORGE LLC

Lorton, VA

Accelerating the Speed of Knowledge to Support National Security

WebsitePhone3 offices6 credentialsSize Estimate: 1-24 employeesUpdated Jun 2026

Service detail: Strategy, Advisory, & Consulting

Service: Strategy, Advisory, & ConsultingService: Strategic & Operational PlanningService: Program Planning, Budgeting, and Execution (PPBE)Industry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+28 more

AIM Engineering & Surveying, Inc.

Fort Myers, FL

Innovative Engineering Solutions Since 1980

WebsitePhone5 offices8 projects3 leadersFounded 1980Updated Jun 2026

Project: I-75 (SR93A) Reconstruction, Hillsborough County

Service: Transportation Engineering & DesignService: RoadwaysService: MultimodalIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+33 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

AVI, PC

Cheyenne, WY

Engineering Excellence

WebsitePhone2 offices9 projects6 leaders2 credentialsUpdated Jun 2026

Project: Casper's West Belt Loop Road

Service: TransportationService: Roadway DesignService: Drainage DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+51 more