Public engineering firm directory

Find engineering consulting firms by capability and location.

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ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more

ATSI, Inc.

Amherst, NY

Changing the World Since 1977

WebsitePhone1 officeFounded 1977Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Front-End Engineering & Design (FEED)

Service: Front-End Engineering & Design (FEED)Service: FEL-1: Conceptual Engineering & FeasibilityService: FEL-2: Planning & Specification DevelopmentIndustry: Renewable EnergyIndustry: ChemicalsType: Process Engineering+39 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

Apex PetroConsultants LLC

Where Deep Ethylene Expertise Meets Strategic Decision-Making

Website7 projects1 leaders2 publicationsSize Estimate: 1-9 employeesUpdated Jun 2026

Project: 10% CAPEX Reduction for Integrated Mixed-Feed Complexes

Service: Project Development and Execution OversightService: Independent Technology SelectionService: FEED and Detailed Engineering ReviewIndustry: PetrochemicalIndustry: ChemicalsType: Chemical Engineering+20 more

Bridge Gap Engineering LLC

Expertise you can rely on. Partnership you can trust.

Website1 leadersFounded 2009Size Estimate: 50-249 employeesUpdated Jun 2026

Service detail: Process and Commissioning Services

Service: Process and Commissioning ServicesService: Mass and Heat Balance AuditsService: Commissioning and StartupIndustry: MiningIndustry: Aggregates & QuarryingType: Owner's Engineer+19 more

ClearStream Environmental

Sandy, UT

Engineered Solutions for Water and Wastewater Treatment

WebsitePhone1 officeFounded 2002Updated Jun 2026

Service detail: Process Design and Engineering

Service: Process Design and EngineeringService: Municipal Water TreatmentService: Municipal Wastewater TreatmentIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+27 more

GATE Energy

Houston, TX

Deliver Extraordinary Better.

WebsitePhone1 office6 projects9 leaders3 credentials2 publications

Project: eelReel Blockage Remediation for GOM Deepwater Flowline Decommissioning

Service: Engineering ServicesService: Specialty Well and Pipeline EngineeringService: Well and Process System DesignIndustry: Oil & GasIndustry: PetrochemicalType: Petroleum Engineering+33 more

Meltium Solutions Llc

Tampa, FL

Creating Value, Delivering Excellence.

Website1 officeUpdated Jun 2026

Service detail: Process Engineering and Optimization

Service: Process Engineering and OptimizationService: Process Design and DocumentationService: Equipment SelectionIndustry: MiningIndustry: MetalsType: Owner's Engineer+25 more

Norton Engineering Consultants, Inc.

Fairfield, NJ

The right expertise at the right time, every time

WebsitePhone2 offices6 projects1 leadersFounded 1993Size Estimate: 1-25 employees

Project: FCC CO Boiler Reconditioning

Service: Refining Process EngineeringService: Alkylation (Sulfuric and HF)Service: Crude and Vacuum DistillationIndustry: Oil & GasIndustry: PetrochemicalType: Automation & Controls+44 more

PF Engineers LLC

Independent Engineering for Tomorrow's Energy Projects

Website1 leadersFounded 2012Updated Jun 2026

Service detail: Project Development and Technology Review

Service: Project Development and Technology ReviewService: Technical Due DiligenceService: Technology AssessmentIndustry: Biomass & BioenergyIndustry: Power GenerationType: Design-Build+37 more

Process Engineering Associates, LLC

Oak Ridge, TN

Applied Chemical Engineering Services for the Process Industries

WebsitePhone6 officesFounded 1996Updated Jun 2026

Service detail: Process Design

Service: Process DesignService: Conceptual and Preliminary Process Design (FEL-0 / FEL-1)Service: Detailed Process Design (FEL-2 / FEL-3 / Pre-FEED)Industry: Oil & GasIndustry: ChemicalsType: Chemical Engineering+27 more

SRK Consulting

Denver, CO

Mining & Exploration Consultants

Website1 office6 projects6 leaders9 publicationsFounded 1974Size Estimate: 200-1,000 employees

Project: Deer Creek Coal Mine Ventilation Planning

Service: Mineral ExplorationService: Geological InterpretationService: Resource EstimationIndustry: MiningIndustry: MetalsType: Civil Engineering+59 more

Saola Energy

Wichita, KS

Streamlined solutions for a sustainable future

WebsitePhone2 offices1 projects8 leadersUpdated Jun 2026

Project: Steam Turbine Integration at Mid-Missouri Energy

Service: Technology EvaluationService: Technical Engineering AnalysisService: Regulatory Compliance ReviewIndustry: Renewable EnergyIndustry: Biomass & BioenergyType: Process Engineering+27 more

Watercare Innovations

Innovative water treatment and process plants

Website1 projects3 credentialsFounded 1980Size Estimate: 300+ employeesUpdated Jun 2026

Project: Sibanye Stillwater Flocculation and Settler Systems

Service: Process TechnologyService: Water Treatment PlantsService: Metal and Reagent Recovery PlantsIndustry: MiningIndustry: ChemicalsType: Water / Wastewater Engineering+19 more

XCEED Engineering and Consulting, P.C.

Rochester, NY

Redefining the Limits of Engineering

WebsitePhone1 office1 projectsFounded 2016Updated Jun 2026

Project: Capital Scope Reduction and Upgrade at Regulated Facility

Service: Pipe Stress AnalysisService: Piping Flexibility and Thermal Stress AnalysisService: Pipe Support Analysis and DesignIndustry: NuclearIndustry: Power GenerationType: Mechanical Engineering+28 more