Public engineering firm directory

Find engineering consulting firms by capability and location.

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1350 Design, LLC

Show Low, AZ

Details Are Important. Innovate Past Expectation.

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: NEBIS (Neural Edge Based Intelligence System)

Service: Edge-Based Autonomy & Kill-Web IntegrationService: Distributed AutonomyService: Manned-Unmanned Teaming (MUM-T)Industry: DefenseIndustry: AerospaceType: Defense Engineering+6 more

3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

3RE Engineering LLC

Shawnee, KS

Specialized Electrical Engineering for Water & Wastewater Infrastructure

WebsitePhone1 office1 leaders5 credentialsSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: Electrical Design Service

Service: Electrical Design ServiceService: Power Distribution System DesignService: Equipment Specification & GroundingIndustry: WastewaterIndustry: Water SupplyType: Electrical Engineering+11 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

4D Site Solutions Inc.

Fayetteville, NC

On time, every time.

WebsitePhone1 officeFounded 2002Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Erosion Control DesignService: Grading and Drainage DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+12 more

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

50 States Engineering Corp.

Hackensack, NJ

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

WebsitePhone1 office7 projects3 leaders1 credentialsUpdated Jun 2026

Project: Admiration Foods Facility

Service: Land SurveyingService: Construction layout and stakeoutService: 3D laser scanningIndustry: TransitIndustry: RailType: Civil Engineering+28 more

7NT Enterprises, LLC

Miamisburg, OH

Proper Execution with Precision

WebsitePhone1 office9 projects1 leaders4 credentialsFounded 2008

Project: Gordie Howe International Bridge

Service: Drilling ServicesService: Rock Coring and Soil SamplingService: Hydraulic Conductivity TestingIndustry: WastewaterIndustry: Water SupplyType: Geotechnical Engineering+19 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

A&M Consulting Engineers

Visalia, CA

Moving Our Communities Infrastructure Forward

WebsitePhone2 offices3 projectsUpdated Jun 2026

Project: Gateway Park

Service: Water ResourcesService: Hydraulic AnalysisService: Municipal Water Well Planning and DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+44 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.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.W. Schultz Inc.

Shawnee, KS

Trusted Engineering and Integration Since 1977

WebsitePhone1 office3 credentialsFounded 1977Updated Jun 2026

Service detail: Process Control and SCADA Systems

Service: Process Control and SCADA SystemsService: Process Visualization & HMI/OITService: PLC ProgrammingIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+25 more

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects1 leaders5 credentialsFounded 1971

Project: RDU Airport Terminal 2 Expansion

Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringService: Civil and Site EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+41 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

ABQ Engineering, Inc.

Albuquerque, NM

Cost-effective, one-stop engineering, surveying, and planning services

WebsitePhone1 office5 projects1 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Los Alamos County Golf Course Community Building

Service: Civil EngineeringService: Drainage and Hydrology AnalysisService: Grading and Drainage DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+38 more

ACC & Engineering

Anaheim, CA

Plans Design | Calculation Reports | Prime G.C.

Website1 office6 projects6 credentialsUpdated Jun 2026

Project: Saddleback College Quad Access Road

Service: Engineering Plans DesignService: Architectural Plans DesignService: Civil Engineering DesignIndustry: EducationIndustry: GovernmentType: Civil Engineering+30 more

ACSYeS Inc

Aberdeen Proving Ground, MD

Scientific and engineering consulting services for aerospace, defense, and commercial applications.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Architecture DevelopmentService: Requirements EngineeringIndustry: AerospaceIndustry: CommercialType: Defense Engineering+23 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 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

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects3 credentialsUpdated Jun 2026

Project: 95REVIVE Pottstown Expressway Reconstruction

Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical 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

AESCO, Inc.

Huntington Beach, CA

Building America from the ground up since 1993

WebsitePhone1 office3 projectsFounded 1993Updated Jun 2026

Project: I-405 Improvement Project

Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationService: Soils evaluationIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+25 more

AGES of Jax, Inc.

Jacksonville, FL

Converged Engineering Services

WebsitePhone1 office3 credentialsFounded 1994Updated Jun 2026

Service detail: Geotechnical Testing

Service: Geotechnical TestingService: Drilling and Subsurface ExplorationService: Soil and Roadway Testing and AnalysisIndustry: Environmental & RemediationIndustry: GovernmentType: Geotechnical Engineering+28 more