Public engineering firm directory

Find engineering consulting firms by capability and location.

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4Creeks, Inc.

Honest, Authentic Solutions

WebsiteSize Estimate: 100-500 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Civil EngineeringService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+10 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

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 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

AHBL, Inc.

Tacoma, WA

Shaping Stronger Communities

WebsitePhone4 offices14 projects8 leaders27 credentialsFounded 1969

Project: Carla Peperzak Middle School

Service: Civil EngineeringService: Site Development SolutionsService: Stormwater Management SystemsIndustry: EducationIndustry: HealthcareType: Civil Engineering+41 more

AI Engineers, Inc.

Cromwell, CT

Improving Life. By Design.

WebsitePhone1 office4 projects8 leaders2 credentials5 publications

Project: Rhode Island Corridor Modernization

Service: BridgesService: Bridge structural designService: Bridge inspection and safety evaluationIndustry: FederalIndustry: GovernmentType: Civil Engineering+45 more

AIMS Group, Inc.

Metairie, LA

Your Partner for Professional Engineering Consulting

WebsitePhone2 offices14 projects3 credentialsFounded 1996Size Estimate: 1-25 employees

Project: WSLP-105 and WSLP-108 Drainage Structures, Levees and Floodwalls

Service: Civil EngineeringService: Streets and RoadwaysService: Water InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+32 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

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Planning and Permitting

Service: Planning and PermittingService: EntitlementsService: Permit ExpeditingIndustry: CommercialIndustry: RetailType: Architecture & Engineering+37 more

ATSI, Inc.

Amherst, NY

Changing the World Since 1977

WebsitePhone1 officeFounded 1977Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Front-End Engineering & Design (FEED)

Service: Front-End Engineering & Design (FEED)Service: FEL-1: Conceptual Engineering & FeasibilityService: FEL-2: Planning & Specification DevelopmentIndustry: Renewable EnergyIndustry: ChemicalsType: Process Engineering+39 more

Abi Engineering Consultants Inc

Santa Ana, CA

Geotechnical, Civil, and Structural Engineering Across California and the Western States

WebsitePhone1 office10 projects2 leadersFounded 2004Updated Jun 2026

Project: LA Metro Gold Line - MSE Wall

Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationService: Foundation Design and Lateral Earth Pressure AnalysisIndustry: CommercialIndustry: IndustrialType: Civil Engineering+39 more

Abonmarche Consultants, Inc.

Many Disciplines One Team

Website2 projects10 credentials2 publicationsFounded 1979Size Estimate: 200-250 employeesUpdated Jun 2026

Project: Haven Hollow Park Improvements

Service: Civil EngineeringService: Stormwater ManagementService: Utility EngineeringIndustry: GovernmentIndustry: InfrastructureType: Architecture & Engineering+57 more

Above Group

Melbourne, FL

Above the Standard. Above Expectations.

WebsitePhone1 office4 projectsFounded 2014Updated Jun 2026

Project: Perry Point VA Campus Plaza Improvements

Service: Mechanical EngineeringService: HVAC System DesignService: Air Distribution SystemsIndustry: GovernmentIndustry: FederalType: MEP+33 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects10 leadersFounded 2004Size Estimate: 70-249 employees

Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Service: Transportation EngineeringService: Highway and Traffic EngineeringService: Intelligent Transportation Systems (ITS) EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+26 more

Alan Gerwig & Associates, Inc.

Creating Beautiful Projects Since 1998

Website12 projects2 leaders1 credentialsFounded 1998Updated Jun 2026

Project: Bryant Park Seawall Replacement

Service: Civil EngineeringService: Site Development & Due DiligenceService: Water Resources & DrainageIndustry: GovernmentIndustry: EducationType: Civil Engineering+14 more

Alares LLC

Sarasota, FL

Great experiences build great results

WebsitePhone2 offices4 projects1 leaders1 credentialsFounded 2007

Project: Hospital Campus Seismic Risk Assessments

Service: Architectural DesignService: Healthcare Facility DesignService: Commercial and Institutional ArchitectureIndustry: HealthcareIndustry: Life SciencesType: Architecture & Engineering+30 more

Allen Construction Management Services Northwest, LLC

Portland, OR

Established in 2013 by Laurie Allen and Monique Allen, Allen Construction Management Services Northwest, LLC (ACMS Northwest) is an Oregon-based civil engineering and construction management practice. It provides professional services for public agencies and private-sector clients, with experience on major Pacific Northwest projects such as the City of Portland Secondary Treatment Expansion Program, Port of Portland PDXNEXT, and ODOT I-205 Abernethy Bridge.

WebsitePhone1 office3 projects7 leadersFounded 2013Updated Jun 2026

Project: Secondary Treatment Expansion Program

Service: Design-BuildService: Program ManagementService: Program SchedulingIndustry: GovernmentIndustry: FederalType: Civil Engineering+43 more

Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects20 leaders39 credentialsFounded 1954

Project: Route 66 Bridge

Service: Civil EngineeringService: BridgesService: IntersectionsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+33 more

Armstrong Glen, P.C.

Charlotte, NC

Armstrong Glen, P.C. is a civil engineering consulting practice that provides professional engineering services throughout North and South Carolina. Founded in 1997, it focuses on quality of service, reliability, and accuracy, remaining committed to listening to client needs. The practice primarily serves local municipalities and counties on multi-year, reoccurring contracts ranging from capital stormwater projects to on-call structural services.

WebsitePhone2 offices8 projectsFounded 1997Updated Jun 2026

Project: Celia Avenue Culvert Project

Service: StormwaterService: Stormwater Capital ImprovementsService: Pond RehabilitationIndustry: Stormwater & Flood ControlIndustry: Water SupplyType: Civil Engineering+26 more

Astra Engineering LLC

Twin Falls, ID

Industrial Design, Automation, and Engineering Solutions

WebsitePhone1 office2 projects4 credentialsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Heritage Academy Campus Expansion

Service: Construction EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ManufacturingIndustry: MiningType: Civil Engineering+32 more

Aubertine and Currier Architects, Engineers & Land Surveyors, PLLC

Watertown, NY

Excellence in Design, Enriching Our Community

WebsitePhone1 office5 projects6 leadersFounded 2000Updated Jun 2026

Project: Women's Wellness and Breast Care

Service: ArchitectureService: Full Service DesignService: Existing Building Condition SurveysIndustry: CommercialIndustry: ResidentialType: Architecture & Engineering+21 more

Axis Infrastructure

Roswell, GA

We Create Cool Places Where People Want to Be

WebsitePhone1 office8 projectsUpdated Jun 2026

Project: MARTA Station Rehabilitation Program

Service: Technical Design and EngineeringService: Civil EngineeringService: Land Planning and Site DevelopmentIndustry: TransitIndustry: CommercialType: Architecture & Engineering+56 more

Azar Design Co PC

Buffalo, NY

Bridging grace and imagination with functionality while delivering pragmatic solutions.

WebsitePhone5 offices4 projects8 leaders2 credentialsFounded 1979

Project: Jacobs School of Medicine & Biomedical Sciences

Service: ArchitectureService: Architectural DesignService: Historic PreservationIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+112 more

B2Z Engineering, LLC

Mission, TX

Building a Better Texas

Website5 offices3 projects1 credentialsFounded 2009Size Estimate: 20-75 employeesUpdated Jun 2026

Project: US 77 Geotechnical Investigation

Service: Plans, Specifications & Estimates (PS&E)Service: Highway and Road DesignService: Bridges and Structural DesignIndustry: Highways & RoadsIndustry: GovernmentType: Civil Engineering+38 more