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.

Filters1

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

Argo Navis Technologies

Together We Succeed

WebsiteUpdated Jun 2026

Service detail: Professional Services

Service: Professional ServicesService: Cybersecurity & ComplianceService: Operations & LogisticsIndustry: AerospaceIndustry: TelecommunicationsType: Software Engineering+29 more

Array of Engineers

Grand Rapids, MI

Designing | Automating | Testing

Website1 office7 projectsUpdated Jun 2026

Project: Airbus A350 Hydraulic Monitoring and Control Application

Service: Automated Hardware-Software TestingService: Automated Hardware-Software Integration TestingService: Model-Based TestingIndustry: AerospaceIndustry: SpaceType: Software Engineering+30 more

Benchmark Engineering & Surveying, LLC

Brandon, MS

Engineering | Surveying | Solutions

WebsitePhone3 offices1 projects4 leadersFounded 2004Size Estimate: 50 employees

Project: Intersection Improvements at Highway 18 and Louis Wilson Drive

Service: Civil Consulting EngineeringService: Roadway DesignService: Traffic EngineeringIndustry: CommercialIndustry: RetailType: Civil Engineering+30 more

Clear Consulting, Inc.

Glendale, OH

Thoughtful Approach, Clear Solutions.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Engineering Consulting

Service: Engineering ConsultingService: Pumping SystemsService: Chemical SystemsIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+30 more

Clear Process Engineering & Technology

Covington, LA

Boiler, combustion, thermal, and steam systems engineering.

WebsitePhone1 office4 projects9 leadersFounded 2015Updated Jun 2026

Project: BFB boiler for high-moisture biomass - South America

Service: Energy AuditsService: Boiler Efficiency EvaluationService: Loss and Opportunity RankingIndustry: Power GenerationIndustry: Biomass & BioenergyType: Process Engineering+74 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

Denk Associates, Inc.

Cleveland, OH

Founded in 1967 by Joseph F. Denk, Sr., Denk Associates, Inc. is a mechanical and electrical engineering consulting practice based in Cleveland, Ohio. Offering decades of engineering experience, it delivers comprehensive MEP engineering design, commissioning, and sustainable design services to architects, developers, and building owners on local and national scales. Its portfolio encompasses medical research facilities, hospitals, hotels, multifamily housing, university laboratories, and historic renovations, including several projects designed to meet LEED Platinum certification. By utilizing a dedicated project manager model where both mechanical and electrical project managers continuously review designs from concept to construction completion, it builds long-term collaborative partnerships.

WebsitePhone1 office16 projects9 leaders14 credentialsFounded 1967

Project: Cleveland Clinic Global Leadership and Learning Institute

Service: Electrical EngineeringService: Interior lighting designService: Exterior lighting designIndustry: HealthcareIndustry: EducationType: MEP+27 more

Filtration Energy Solutions Inc

San Diego, CA

Where Filtration Concepts Become Engineered Realities

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: Process Stream Value Recovery System

Service: Membrane EngineeringService: Membrane Feasibility TestingService: Prototype Membrane Filter Design and BuildIndustry: AgricultureIndustry: ChemicalsType: Process Engineering+18 more

Fossil Energy Research Corporation

Laguna Hills, CA

Specialists in environmental and energy technologies

WebsitePhone1 officeFounded 1984Updated Jun 2026

Service detail: Catalyst Activity Testing

Service: Catalyst Activity TestingService: Bench-Scale Activity TestingService: Micro-Scale Activity TestingIndustry: Emissions ControlIndustry: Power GenerationType: Combustion Engineering+32 more

Green Building Resources LLC

A good green building is a healthy building with low operating costs.

Website13 projects1 credentialsFounded 2008Updated Jun 2026

Project: Martha Jefferson Hospital

Service: Zero Carbon Roadmap DevelopmentService: Green Building CertificationService: Green Globes CertificationIndustry: CommercialIndustry: Land DevelopmentType: MEP+36 more

Howe Water Science, LLC

Albuquerque, NM

Technical expertise on challenging water quality and treatment issues

Website1 office2 leaders7 publicationsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Data-Driven Plant Performance Analysis and Optimization

Service: Data-Driven Plant Performance Analysis and OptimizationService: Coagulant Dosing OptimizationService: Filter Backwash and Run-Time EvaluationIndustry: GovernmentIndustry: IndustrialType: Water / Wastewater Engineering+19 more

Inga Group LLC

Fort Worth, TX

Engineering for Startup Companies

WebsitePhone1 office3 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Process Engineering and Scale-Up

Service: Process Engineering and Scale-UpService: Bench Scale Unit DesignService: Pilot Plant Design and CommissioningIndustry: Oil & GasIndustry: ChemicalsType: Process Engineering+12 more

MicroType Engineering Inc

From paper to prototype

Website7 credentialsUpdated Jun 2026

Service detail: Hardware Engineering

Service: Hardware EngineeringService: PCB DesignService: Circuit Design and PrototypingIndustry: AerospaceIndustry: DefenseType: Design-Build+35 more

Ogden Engineering & Associates

Ogden Engineering & Associates, LLC is a chemical and environmental engineering firm founded in 1999 and registered in Arizona. Ogden Engineering & Associates assists clients with all facets of their operations from feasibility studies and permitting through final design, startup, and expansion, specializing in technology development, environmental remediation, and fuel and propulsion system development. Ogden Engineering serves defense, aerospace, energy, environmental, and biodiesel/biofuels industries through multidisciplinary team formation.

Website2 leadersFounded 1999Updated Jun 2026

Service detail: Process Design & Development

Service: Process Design & DevelopmentService: Equipment Specification & ProcurementService: Prototype Design & ManufacturingIndustry: DefenseIndustry: AerospaceType: Chemical Engineering+14 more

Planet Defense LLC

Fairfax, VA

Digital transformation, cybersecurity, and smart city solutions for government and commercial clients worldwide.

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: Virginia Smart Community Testbed

Service: CybersecurityService: Risk and Vulnerability AssessmentsService: Industrial Control Systems SecurityIndustry: FederalIndustry: GovernmentType: Software Engineering+67 more

Reax Engineering Inc.

Berkeley, CA

Fire Experts

WebsitePhone1 office5 leadersUpdated Jun 2026

Service detail: Building and Fire Code Consulting

Service: Building and Fire Code ConsultingService: Code Consulting / Peer ReviewService: Design of Smoke Control SystemsIndustry: CommercialIndustry: IndustrialType: Fire Protection Engineering+18 more

SC Automotive Engineering USA

Novi, MI

Engineering Solution Provider for the Mobility Industry

Website1 office5 leadersUpdated Jun 2026

Service detail: Engineering Consulting and Project Management

Service: Engineering Consulting and Project ManagementService: Project Management as a ServiceService: Advisory Services & ConsultationIndustry: AutomotiveIndustry: ManufacturingType: Industrial Engineering+36 more

SESI Consulting Engineers

Parsippany, NJ

Value-driven engineering for owners, developers, and the construction industry

WebsitePhone1 office4 projects3 credentialsFounded 1976Size Estimate: 25-100 employees

Project: The Lofts at Saw Mill

Service: Geotechnical EngineeringService: Subsurface Investigation and AnalysisService: Foundation Design RecommendationsIndustry: Land DevelopmentIndustry: Multifamily ResidentialType: Geotechnical Engineering+58 more