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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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

ARGO Systems, LLC

Baltimore, MD

Innovative Construction Solutions

WebsitePhone6 offices1 credentialsFounded 2004Size Estimate: 50-100 employeesUpdated Jun 2026

Service detail: Program and Project Management

Service: Program and Project ManagementService: Project Planning and SchedulingService: Budget and Cost ControlIndustry: GovernmentIndustry: DefenseType: Electrical Engineering+26 more

ATOLLO Technology Solutions, LLC

Fulton, MD

Smarter Automation. Wider Integration. Smarter Decisions Made Quickly & Affordably.

WebsitePhone1 office4 leadersUpdated Jun 2026

Service detail: Strategic Planning (Security & Operations)

Service: Strategic Planning (Security & Operations)Service: Systems Engineering & Technology InsertionService: Digital Transformation of Plant & Facility OperationsIndustry: DefenseIndustry: FederalType: Automation & Controls+12 more

AccelaBlue Advisory Group

The Advisor Who Sees the Whole Deal

Website3 projects1 leaders2 credentialsUpdated Jun 2026

Project: 340 MW Hyperscale Data Center & AI Factory

Service: Technical Feasibility & Site AssessmentService: Site & Grid CharacterizationService: Resource AssessmentIndustry: Data CentersIndustry: NuclearType: Owner's Engineer+38 more

Advanced Infrastructure Design, Inc.

Hamilton, NJ

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.

Website2 offices1 leadersFounded 1998Size Estimate: 10-30 employeesUpdated Jun 2026

Service detail: Pavement Engineering

Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingService: Functional LCMS AssessmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+57 more

Andromeda Systems Incorporated

Virginia Beach, VA

Your Supportability Teammate

WebsitePhone2 officesUpdated Jun 2026

Service detail: Supportability Analysis & Optimization

Service: Supportability Analysis & OptimizationService: Product Support Analysis (PSA)Service: Level/Location of Repair Analysis (LORA)Industry: DefenseIndustry: AviationType: Industrial Engineering+52 more

Athena Engineering & Environmental

Nashville, TN

Practical environmental and engineering solutions, delivered with precision and integrity.

WebsitePhone4 offices9 projects8 leaders3 credentialsUpdated Jun 2026

Project: Flood Risk Management Projects VE Study

Service: Geotechnical EngineeringService: Subsurface Exploration (Soil and Rock)Service: Foundation Design (Shallow and Deep)Industry: FederalIndustry: DefenseType: Environmental Engineering+93 more

BayPac Consult Inc.

Oakland, CA

From Vision to Reality

Website1 office8 projectsFounded 2014Size Estimate: 1-9 employeesUpdated Jun 2026

Project: Port of Oakland Program Management Services

Service: Program ManagementService: Program Startup & Governance SupportService: Program Expenditure & Financial PlanningIndustry: Ports & HarborsIndustry: TransitType: Civil Engineering+19 more

Buffalo Engineering, P.C.

Buffalo, NY

Designing Today. Building Tomorrow.

WebsitePhone1 office7 projects7 leaders9 credentialsFounded 1990

Project: Richardson Olmsted Complex

Service: Mechanical EngineeringService: HVACService: PlumbingIndustry: HealthcareIndustry: EducationType: MEP+25 more

CHA Consulting, Inc.

Albany, NY

Creating solutions. Helping people. Improving our world.

Website2 offices4 projects10 leaders5 credentialsFounded 1952Size Estimate: 2,100+ employees

Project: I-91 Interchange 29 Flyover Bridge and Charter Oak Bridge

Service: Transportation SolutionsService: Bridge design, analysis, and reconstructionService: Highway and roadway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+96 more

CHA Consulting, Inc.

Albany, NY

Finding a better way.

Website1 office10 leaders3 credentialsFounded 1952Size Estimate: 2,100 employeesUpdated Jun 2026

Service detail: Transportation Solutions

Service: Transportation SolutionsService: Accelerated Bridge Construction (ABC) Design & ConsultingService: Bridge Design & AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+182 more

CaVU Consulting, Inc.

San Diego, CA

Ceiling and Visibility Unlimited

Website2 officesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Systems Life-Cycle EngineeringService: Balanced Technical SolutionsIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more

Cashin Associates, P.C.

Hauppauge, NY

Multi-Disciplinary Engineering, Planning, Construction Management & Environmental Consulting

Website1 office6 projectsFounded 1959Updated Jun 2026

Project: September 11 Memorial Park

Service: Civil and Site EngineeringService: Roadway and Highway DesignService: Waterfront Facilities Design and ConstructionIndustry: GovernmentIndustry: Parks & Open SpaceType: Civil Engineering+41 more

Chastain & Associates LLC

Creating infrastructure for 70 years.

Website1 projects3 leadersSize Estimate: 80+ employeesUpdated Jun 2026

Project: Village of Oak Park Right-of-Way Permitting Services

Service: Transportation EngineeringService: Expressways, Interstates, Tollways, and HighwaysService: Safety and Feasibility StudiesIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+52 more

Coastline Rail Engineering LLC

Houston, TX

Built for Excellence

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Civil and Transportation Infrastructure

Service: Civil and Transportation InfrastructureService: Feasibility Analysis and PlanningService: Plans, Specifications, and EstimatesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+25 more

ColeBreit Engineering

Bend, OR

Quality. Integrity. Expertise.

WebsitePhone6 offices1 leaders2 credentialsFounded 2013Size Estimate: 10-50 employees

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC system designService: Indoor air quality (IAQ) and advanced ventilationIndustry: EducationIndustry: HealthcareType: Fire Protection Engineering+45 more

Crossland Engineering, LLC

Honolulu, HI

Big Firm Results Small Firm Service

WebsitePhone1 office5 credentialsUpdated Jun 2026

Service detail: HVAC Engineering

Service: HVAC EngineeringService: Heating, Ventilation, and Air-Conditioning (HVAC) Design and EngineeringService: Central Chilled Water and Hot Water PlantsIndustry: CommercialIndustry: ResidentialType: Mechanical Engineering+29 more

Defense Planning Group

Huntsville, AL

Integrated Solutions for Mission Success

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Master Planning & Programming

Service: Master Planning & ProgrammingService: Program ManagementService: Military Construction (MILCON) SupportIndustry: DefenseIndustry: GovernmentType: Defense Engineering+15 more

EBL Engineers, LLC

Baltimore, MD

Engineering Excellence for over 50 years.

WebsitePhone1 office3 projects6 leadersSize Estimate: 10-50 employeesUpdated Jun 2026

Project: NASA Integration and Testing Complex

Service: Mechanical EngineeringService: HVAC SystemsService: Central Heating and Cooling PlantsIndustry: CommercialIndustry: GovernmentType: MEP+51 more

EDM Incorporated

St. Louis, MO

Reliable Creative Engineering Solutions

WebsitePhone2 offices9 projects10 leaders2 credentialsFounded 1973

Project: The St. Louis Wheel at Union Station

Service: Structural EngineeringService: Commercial and Industrial StructuresService: Theme Park and Ride FoundationsIndustry: Sports & RecreationIndustry: CommercialType: Civil Engineering+35 more

Elzly Technology Corporation

Reston, VA

Dedicated Corrosion Engineers

WebsitePhone3 officesUpdated Jun 2026

Service detail: Corrosion Engineering

Service: Corrosion EngineeringService: Engineering StudiesService: Corrosion SurveysIndustry: DefenseIndustry: FederalType: Materials Engineering+23 more

FSi Engineers

Seattle, WA

Engineers who are great communicators.

WebsitePhone3 offices8 projects5 leaders10 credentialsFounded 1985

Project: Mukilteo Ferry Terminal

Service: Mechanical EngineeringService: HVAC and control designService: Industrial ventilation systemsIndustry: EducationIndustry: IndustrialType: MEP+59 more

Fiducia TechneGroup

Reliability engineering for product development and manufacturing

Website4 projectsUpdated Jun 2026

Project: Agricultural Equipment

Service: Reliability Processes and Life Cycle ManagementService: Reliability Process ManagementService: Reliability Growth Planning and TrackingIndustry: ManufacturingIndustry: AgricultureType: Industrial Engineering+22 more

G2 Consulting Engineers, Inc.

We Engineer Ideas Into Solutions

Website17 projects3 leadersFounded 2016Updated Jun 2026

Project: Chicken Ranch Hotel and Casino

Service: Mechanical EngineeringService: HVAC System DesignService: Hydronic SystemsIndustry: CommercialIndustry: RetailType: MEP+66 more