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 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

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Air Quality and Environmental Compliance

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportService: Regulatory Review and ComplianceIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+25 more

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsService: Sewer System Flow MonitoringIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+19 more

83 Ordinal Group

Pine Bluff, AR

Innovative Agritech & Engineering Solutions

WebsitePhone1 officeSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Agritech and Renewable Energy Engineering

Service: Agritech and Renewable Energy EngineeringService: Agrivoltaics and Clean Energy IntegrationService: Controlled Environment Agriculture SystemsIndustry: Renewable EnergyIndustry: AgricultureType: Owner's Engineer+22 more

A&A Engineering

Toledo, OH

Innovative, Trusted Structural Engineering Since 1996

WebsitePhone1 office11 leadersFounded 1996Updated Jun 2026

Service detail: Core Structures

Service: Core StructuresService: Metal BuildingsService: Greenhouses & SunshadesIndustry: CommercialIndustry: RetailType: Civil Engineering+24 more

A&J Consulting Engineering Services, P.C.

Clifton, NJ

A&J Consulting Engineering Services, P.C. is a full-service MEP consulting engineering practice headquartered in Clifton, New Jersey. Founded in 1988 by Jay Agarwal, P.E., A&J delivers mechanical, electrical, and plumbing systems design, pharmaceutical validation and commissioning, construction administration, sustainable design, and high-technology systems consulting. Clients span the pharmaceutical, biotechnology, commercial, educational, governmental, industrial, and religious sectors across the New York-New Jersey region.

WebsitePhone1 office5 projects1 leadersFounded 1988Updated Jun 2026

Project: Validation of an Aseptic Vial Filling Line

Service: MEP Systems DesignService: HVACService: Electrical SystemsIndustry: PharmaceuticalIndustry: Life SciencesType: MEP+40 more

A-1 Engineering, LLC

San Antonio, TX

A-1 Engineering, LLC is a structural and civil engineering practice founded in 2011, headquartered in San Antonio, Texas, with an additional office in Austin. A family-owned business, it serves property owners, developers, and contractors across residential, commercial, industrial, and institutional project types throughout central Texas. Its engineers perform foundation assessments, structural and civil designs, forensic investigations, and drainage consulting, while supporting clients with independent guidance on foundation repair decisions, load-bearing wall removals, and solar panel framing.

WebsitePhone2 officesFounded 2011Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Foundation AssessmentsService: Digital Monometer Elevation ReadingsIndustry: ResidentialIndustry: CommercialType: Structural Engineering+34 more

ACT Engineers, Inc.

Robbinsville, NJ

Civil, Coastal, and Environmental Engineering and Consulting Practice

WebsitePhone3 offices5 projects8 leaders6 credentialsFounded 1991

Project: Arney's Mount West Trail

Service: Civil/Site EngineeringService: Coastal EngineeringService: Flooding and ResiliencyIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+28 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

AES Consulting Engineers

Glen Allen, VA

Consulting Engineers

WebsitePhone4 offices1 projects9 leadersFounded 1980Size Estimate: 50-100 employees

Project: Colonial Heritage

Service: Civil EngineeringService: Site Plan DesignService: Subdivision DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+37 more

AES Group, Inc.

Parker, CO

Providing Engineering and Architecture Services Since 2002

WebsitePhone1 office4 projects5 leaders20 credentialsFounded 1988

Project: Pikes Peak National Cemetery Master Plan & Design

Service: Civil EngineeringService: Site DesignService: GradingIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+38 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

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more

Advanced Geotechnical Engineering LLC

Pearl City, HI

Building Our World on Solid Foundations

WebsitePhone1 office5 projects1 leadersUpdated Jun 2026

Project: Honolulu Rapid Transit Project

Service: Soil InvestigationService: Subsurface InvestigationService: Soil and Groundwater SamplingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

Advanced Geotechnical Solutions Inc

Casper, WY

Engineering You Can Trust, Results You Can Build on

WebsitePhone1 office5 projects3 credentialsUpdated Jun 2026

Project: Kirtley Powerline

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Laboratory TestingIndustry: Land DevelopmentIndustry: MiningType: Geotechnical Engineering+11 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007Size Estimate: 100-999 employeesUpdated Jun 2026

Service detail: VDC & BIM Services

Service: VDC & BIM ServicesService: Architectural BIM ServicesService: Structural BIMIndustry: HealthcareIndustry: InfrastructureType: Architecture & Engineering+32 more

AeroFrohne LLC

The New Standard in Reality Capture & 3D Visualization

WebsiteUpdated Jun 2026

Service detail: Geospatial Mapping & Drone Capture

Service: Geospatial Mapping & Drone CaptureService: RTK/PPK Drone Mapping & Object DetectionService: Orthomosaic, DSM/DTM Surface & Contour ProductionIndustry: InfrastructureIndustry: CommercialType: Land Surveying+37 more

Agbara Engineering

West Palm Beach, FL

Powering Progress, Empowering Communities

Website1 office8 leaders1 credentialsUpdated Jun 2026

Service detail: Transmission Line Engineering

Service: Transmission Line EngineeringService: Design and PlanningService: Upgrades and ExpansionIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+19 more

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 more

Alpha Engineering Company

St. George, UT

Alpha Engineering Company is a civil engineering and land surveying firm established in 1989 and headquartered in St. George, Utah. The practice serves public and private clients throughout Southern Utah and surrounding areas, providing municipal engineering, site planning and development, water resources and dam design, wastewater engineering, hydrology, construction management, topographic and boundary surveys, and alternative energy design including hydroelectric and solar.

WebsitePhone1 office3 projectsFounded 1989Updated Jun 2026

Project: Ivins VA Home

Service: Civil EngineeringService: Municipal EngineeringService: Planning and DevelopmentIndustry: GovernmentIndustry: FederalType: Civil Engineering+22 more

Alpha Engineering, Inc.

Indianapolis, IN

Innovative Power Solutions

WebsitePhone1 office3 leadersFounded 1979Updated Jun 2026

Service detail: Power Systems Engineering

Service: Power Systems EngineeringService: Substation EngineeringService: Line DesignIndustry: CommercialIndustry: EducationType: Electrical Engineering+22 more

Alter Engineers

Oakland, CA

Fostering healthy, comfortable, and energy-conscious spaces for the Oakland and Bay Area community.

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: UC Berkeley Hildebrand Hall HVAC Modernization

Service: Mechanical, Plumbing, and Fire Protection EngineeringService: Mechanical and Plumbing Engineer of RecordService: Design Drawing CreationIndustry: EducationIndustry: Research FacilitiesType: Mechanical Engineering+23 more

Ameresco, Inc.

Leading the global energy transition as a full-service energy partner

WebsiteUpdated Jun 2026

Service detail: Energy Efficiency

Service: Energy EfficiencyService: Indoor Lighting & ControlsService: LED Street & Area LightingIndustry: FederalIndustry: GovernmentType: Power & Utility Engineering+40 more

Apex Engineers, Inc.

Kansas City, MO

Your Engineering Partner in Projects Large and Small

WebsitePhone7 offices1 projects8 leadersFounded 2003Size Estimate: 50+ employees

Project: Multi-Sector Structural Engineering Portfolio

Service: Structural DesignService: Commercial Structural DesignService: Residential Structural DesignIndustry: CommercialIndustry: RetailType: Structural Engineering+26 more