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.

Filters2

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

Adley Services, LLC

Lafayette, LA

Onshore or offshore. Upstream, midstream, or downstream.

WebsitePhone1 office4 leadersSize Estimate: 10-50 employeesUpdated Jun 2026

Service detail: Facilities Engineering and Design

Service: Facilities Engineering and DesignService: Offshore and Onshore Facilities DesignService: Industrial and Refining Facility EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: Process Safety Engineering+27 more

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

Barton & Loguidice

Syracuse, NY

The Experience to Listen. The Power to Solve.

WebsitePhone1 office5 projects1 leaders5 credentials5 publications

Project: Rome Water Pollution Control Facility Anaerobic Digestion and Combined Heat and Power Improvements

Service: Water ResourcesService: Water Supply EngineeringService: Wastewater & Water Resource RecoveryIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+61 more

Byson Solutions Group Corp

Corpus Christi, TX

Multi-Discipline Engineering Solutions Built on Experience

WebsitePhone1 office2 leadersFounded 2019Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Pump and Mechanical SystemsService: Marine ApplicationIndustry: CommercialIndustry: GovernmentType: Automation & Controls+36 more

CI-MECH Engineering LLC

Jacksonville, FL

Civil, Mechanical, Electrical, and Plumbing Engineering Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical DesignService: Heating and Cooling Load CalculationsIndustry: ResidentialIndustry: CommercialType: MEP+39 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

Creative Engineers Inc

New Freedom, PA

Alkali metals and chemical process engineering experts

WebsitePhone1 office5 projects19 leaders1 credentialsFounded 1996

Project: SEA Wire PTFE-Coated Wire Etching System

Service: Chemical & Process EngineeringService: Conceptual and Detailed Process DesignService: Process Flow Diagrams (PFDs) & Mass and Energy Balance (M&EB)Industry: NuclearIndustry: Oil & GasType: Chemical Engineering+33 more

Crossroads Solutions Inc

Decatur, AL

Exceeding Expectations Is Our Priority

WebsitePhone1 office1 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Civil, Mechanical & Structural Engineering

Service: Civil, Mechanical & Structural EngineeringService: Civil and structural project designService: Structural integrity assessmentsIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+38 more

Curry-Wille & Associates Consulting Engineers P.C.

Ames, IA

Engineering your system for the future

WebsitePhone1 office3 leaders15 credentialsFounded 1959Size Estimate: 1-9 employees

Service detail: Agricultural Engineering

Service: Agricultural EngineeringService: Livestock Facility DesignService: Grain and Feed HandlingIndustry: AgricultureIndustry: ResidentialType: Civil Engineering+21 more

DuBois & King

Randolph, VT

DuBois & King is a multidisciplinary professional consulting practice providing planning, engineering, survey, permitting, and environmental services since 1962. Its technical disciplines span civil, structural, environmental, mechanical, and electrical engineering, surveying, and landscape architecture. D&K serves federal and state agencies, municipalities, healthcare and education facilities, industrial and commercial buildings, housing developments, and energy sector clients. Operating as a 100 percent entity, it focuses on delivering collaborative, sustainable, and resilient solutions for municipal and regional infrastructure across New England, New York, and the Southwest.

WebsitePhone12 offices5 projects3 leaders11 credentialsFounded 1962

Project: Glencliff Micro-Hydro

Service: PlanningService: Transportation EngineeringService: Bicycle and Pedestrian InfrastructureIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more

Engitecture, LLC

Charlotte, NC

Design-driven partnerships and engineering for architecture

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: 4539 Hedgemore Drive

Service: Design ServicesService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+18 more

G&M Engineering PLLC

Havelock, NC

Engineering Solutions for a Changing World.

WebsitePhone3 officesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Concept to Manufacturing DesignService: Stress and Strain AnalysisIndustry: MiningIndustry: Data CentersType: Mechanical Engineering+24 more

Gasteiger Engineering LLC

Beverly Hills, CA

We are your valued project partner.

WebsitePhone2 offices2 projects3 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Project: Hollywood Hills Hillside Retaining Wall

Service: Civil EngineeringService: Rough and precise grading plansService: Drainage and hydrology studiesIndustry: ResidentialIndustry: CommercialType: Automation & Controls+53 more

I3 Engineering & Consulting, LLC

Bridgeport, WV

Integrity. Initiative. Innovation.

WebsitePhone1 office3 leaders3 credentialsFounded 2013Size Estimate: 35-49 employees

Service detail: Facilities Design & Engineering

Service: Facilities Design & EngineeringService: Piping & Mechanical DesignService: Electrical EngineeringIndustry: Oil & GasIndustry: InfrastructureType: Civil Engineering+10 more

INTRAUSA, Inc.

Pearland, TX

If you can dream it. We can engineer it.

WebsitePhone1 officeFounded 1994Updated Jun 2026

Service detail: Oil, Gas & Chemicals Engineering

Service: Oil, Gas & Chemicals EngineeringService: Feasibility Studies & FEEDService: Detailed Engineering & Start-up ServicesIndustry: Oil & GasIndustry: ChemicalsType: Civil Engineering+45 more

Justin W. Capp

Modesto, CA

There's More to Design Than Pen on Paper

WebsitePhone1 office20 projects1 leadersUpdated Jun 2026

Project: Foster Farms Ammonia Refrigeration System

Service: Structural EngineeringService: Warehousing and distribution center structural designService: Food and beverage processing facility structural designIndustry: Food & BeverageIndustry: AgricultureType: Structural Engineering+17 more

Norton Engineering LLC

Dayton, OH

Engineering a Better World

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Stormwater DesignService: Site PlanningIndustry: GovernmentIndustry: CommercialType: Civil Engineering+30 more

Petra Consultants

Lafayette, LA

Safe. Efficient. Proven.

Website1 office7 projects5 leadersFounded 1996Updated Jun 2026

Project: 4-Pile Jacket, Deck and Facilities Design

Service: Engineering ServicesService: Process ModelingService: P&ID DevelopmentIndustry: Oil & GasIndustry: MarineType: Civil Engineering+35 more

SPEC Consulting, LLC

Albany, NY

Engineering into the Future

WebsitePhone2 offices3 credentialsFounded 1994Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Chemical Process EngineeringService: Civil EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+22 more

The Mannik & Smith Group, Inc.

Toledo, OH

Technical Skill. Creative Spirit.

Website3 offices8 projects4 leaders2 credentialsFounded 1955Size Estimate: 50-200 employees

Project: Waterfront Walkway Seawall

Service: Civil EngineeringService: Site DevelopmentService: Stormwater Management & Green InfrastructureIndustry: TransportationIndustry: GovernmentType: Civil Engineering+59 more

Three i Design

Evansville, IN

Imagination. Innovation. Integrity.

WebsitePhone1 officeSize Estimate: 50-150 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: PlanningService: Architectural DesignIndustry: HealthcareIndustry: CommercialType: Architecture & Engineering+32 more

VEi Global Engineering

Fargo, ND

VEi Global Engineering is a multi-discipline engineering consultancy delivering front-end engineering design (FEED), detailed design, project management, and construction coordination for industrial processing facilities. It specializes in sugar, chemical, petrochemical, power, and food processing markets, using 3D plant-design tools to produce detailed project models from concept through start-up.

WebsitePhone5 officesUpdated Jun 2026

Service detail: Project Development

Service: Project DevelopmentService: FEED 0 / FEED 1 / FEED 2 / FEED 3 PhasesService: Feasibility and SWOT AnalysisIndustry: Food & BeverageIndustry: ChemicalsType: Process Engineering+33 more