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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4D Tech Solutions, LLC

Fairmont, WV

Mission-Driven Design and Development

WebsitePhone1 office5 projects5 leadersFounded 2013Updated Jun 2026

Project: RedTail LiDAR System

Service: Technology DevelopmentService: MEMS-Mirror LiDAR SystemsService: Innovative Sensor SolutionsIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+19 more

A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects8 credentialsFounded 1996Updated Jun 2026

Project: Big Beaver Bridge

Service: Bridge Design and InspectionsService: Bridge DesignService: Bridge InspectionsIndustry: TransportationIndustry: BridgesType: Civil Engineering+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

AEED, Inc.

Chattanooga, TN

Sustainable, Innovative Engineering Solutions

WebsitePhone1 office2 credentialsFounded 2001Updated Jun 2026

Service detail: Engineering, Consulting and Design

Service: Engineering, Consulting and DesignService: Mechanical EngineeringService: Clean Room Design and CommissioningIndustry: CommercialIndustry: HospitalityType: MEP+53 more

AFVET Solutions, LLC

Warner Robins, GA

Providing responsive, innovative solutions in aviation, engineering, logistics, and program management services.

WebsitePhone2 offices1 leadersFounded 2007Updated Jun 2026

Service detail: Engineering Support

Service: Engineering SupportService: Systems Engineering and IntegrationService: Avionics ModernizationIndustry: AviationIndustry: DefenseType: Aviation Engineering+30 more

AP2EX Defense

Engineering Solutions for the Defense and Autonomous Systems Markets

WebsiteUpdated Jun 2026

Service detail: Defense & Autonomous Systems Engineering

Service: Defense & Autonomous Systems EngineeringService: Engineering Design ServicesService: Technical ConsultationIndustry: DefenseIndustry: GovernmentType: Defense Engineering+6 more

Aditi Consulting

Bellevue, WA

Global. Innovative. Transformative.

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: Cross-Cloud Migration for a Global Insurance Enterprise

Service: AI + Data TransformationService: Data Strategy & ArchitectureService: Data EngineeringIndustry: Financial ServicesIndustry: HealthcareType: Software Engineering+23 more

AdvanceBio LLC

Milford, OH

Biofuels and biochemical industry consultants

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Commercial Bio-Based Process Engineering

Service: Commercial Bio-Based Process EngineeringService: General Project ConsultingService: Technical Due DiligenceIndustry: Biomass & BioenergyType: Owner's Engineer+14 more

Akiva AI, LLC

Leesburg, VA

Committed to Excellence

Website1 office3 projectsFounded 2019Updated Jun 2026

Project: Predictive Logistics Implementation

Service: AI EngineeringService: Multi-Agent SystemsService: AI Strategy & ConsultingIndustry: SoftwareIndustry: Financial ServicesType: Software Engineering+52 more

Alampalli Engineering, PLLC

Albany, NY

Key to reliable engineering, business and software solutions

WebsitePhone1 office1 leaders9 credentialsUpdated Jun 2026

Service detail: Infrastructure and Engineering

Service: Infrastructure and EngineeringService: Infrastructure Asset ManagementService: Structural MonitoringIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+25 more

Algebra AEC, LLC

Cleveland, OH

MEP & Sustainability Consulting

WebsitePhone1 office18 projects1 leadersFounded 2014Size Estimate: 5-30 employees

Project: Cleveland Clinic / CWRU - Health Education Campus

Service: MEP EngineeringService: HVAC EngineeringService: Plumbing EngineeringIndustry: HealthcareIndustry: EducationType: MEP+33 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

Alvine Associates Inc

Omaha, NE

Engineering innovation through science, art and business.

Website1 office43 leaders1 credentialsFounded 1961Updated Jun 2026

Service detail: Lighting

Service: Mechanical EngineeringService: Electrical EngineeringService: Fire ProtectionIndustry: EducationIndustry: GovernmentType: Acoustic Consulting+21 more

Alytic, Inc.

King George, VA

Government Contractor, Seaport-e Prime Contract Holder and Experts on Navy Energy Conservation

WebsitePhone1 office3 leadersFounded 2011Updated Jun 2026

Service detail: Engineering Services and Technical Support

Service: Engineering Services and Technical SupportService: Concept Definition and RefinementService: Research and DevelopmentIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more

Anguil Environmental Systems

Milwaukee, WI

Innovative Pollution Control Technologies

WebsitePhone1 office3 credentialsFounded 1978Updated Jun 2026

Service detail: Air Pollution Control

Service: Air Pollution ControlService: Regenerative Thermal Oxidizers (RTOs)Service: Catalytic Recuperative Oxidizers (CATOXs)Industry: ManufacturingIndustry: Food & BeverageType: Environmental Engineering+22 more

Applied Pavement Technology Inc

Champaign, IL

APTech: a full-service pavement engineering firm.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Pavement Engineering and Management

Service: Pavement Engineering and ManagementService: Airport Pavement ManagementService: Roadway Pavement ManagementIndustry: AirportsIndustry: Highways & RoadsType: Civil Engineering+7 more

Applied Research Associates, Inc.

Albuquerque, NM

Innovative Solutions to Complex Problems

Website1 office5 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Switchback Autonomous Ground Platform

Service: Integrated Systems EngineeringService: Assured Position Navigation and TimingService: Contract Manufacturing and EngineeringIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+47 more

Arrow Infrastructure Solutions Inc.

Lancaster, CA

Arrow Infrastructure Solutions Inc., doing business as Arrow Engineering Corp., is a civil engineering and geotechnical firm based in Lancaster, California, that has served public agencies and private firms in California and Nevada since 1978. Its work spans land development, land planning, transportation, and public works for both public and private sector clients. Arrow Engineering's three practice divisions cover civil engineering design, geotechnical and soils engineering, and GIS mapping, and it emphasizes cost-effective products delivered on client-defined schedules.

WebsitePhone1 officeFounded 1978Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Soils Engineering and Materials InspectionService: GIS MappingIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+6 more

Austin Tsutsumi & Associates, Inc.

Honolulu, HI

Making Change Possible

WebsitePhone2 offices7 leaders5 credentialsFounded 1934Size Estimate: 50-99 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Land DevelopmentService: Public WorksIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+26 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

Bala Consulting Engineers, Inc.

Wayne, PA

Engineering a better future focused on the human experience.

WebsitePhone5 offices10 projects12 leaders2 credentialsFounded 1982

Project: Cencora

Service: Mechanical EngineeringService: HVAC and Mechanical SystemsService: Plumbing and Fire ProtectionIndustry: CommercialIndustry: TransportationType: MEP+29 more

Barr Engineering Co.

Minneapolis, MN

Designing What's Next

WebsitePhone18 offices6 projects1 leaders1 credentials1 publications

Project: Utility-Scale BESS Engineering and Design

Service: Engineering and DesignService: Mine Tailings Management EngineeringService: Mineral Processing and Plant DesignIndustry: MiningIndustry: Power GenerationType: Civil Engineering+34 more

Bassett Engineering, Inc.

Montoursville, PA

Innovative Solutions, Proven Technology, Quality Engineering.

WebsitePhone1 office3 projects1 leaders4 credentialsFounded 1996

Project: Bordell Road Bridge

Service: Bridges and CulvertsService: Full replacementService: RepairIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+25 more

Black & Veatch

Building a World of Difference®

WebsiteSize Estimate: 13,000 employeesUpdated Jun 2026

Service detail: Fuels

Service: Infrastructure AdvisoryService: ConstructionService: Power GenerationIndustry: Power GenerationIndustry: Power Transmission & DistributionType: EPC+22 more