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

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

ABP Engineering

Omaha, NE

Precision in Practice

WebsitePhone1 officeUpdated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Process Design and ModelingService: Process SimulationIndustry: Biomass & BioenergyIndustry: MiningType: Structural Engineering+32 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

AEED, Inc.

Chattanooga, TN

Sustainable, Innovative Engineering Solutions

WebsitePhone1 office2 credentialsFounded 2001Updated Jun 2026

Service detail: Engineering, Consulting and Design

Service: Engineering, Consulting and DesignService: Mechanical EngineeringService: Clean Room Design and CommissioningIndustry: CommercialIndustry: HospitalityType: MEP+53 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

AT Engineering Services

Long Beach, CA

AT Engineering Services is a California consulting engineering practice providing mechanical, process, oil and gas, energy, petrochemical, chemical, pharmaceutical, industrial, and power engineering services. AT Engineering Services has operated since 1993 and supports clients with technical engineering design and consulting.

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Mechanical and Plumbing Engineering

Service: Mechanical and Plumbing EngineeringService: Process EngineeringService: Heat Transfer and Piping DesignIndustry: Oil & GasIndustry: PetrochemicalType: Mechanical Engineering+10 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

Advanced Creative Industries

Evansville, IN

Customer-guided and self-directed engineering and design-build services

WebsitePhone1 office7 projects1 leadersUpdated Jun 2026

Project: 27 Ft. Film Stretcher and Tester Machine

Service: Industrial Machinery & EquipmentService: Process Skid EngineeringService: Custom Machine DevelopmentIndustry: ManufacturingIndustry: IndustrialType: Process Engineering+26 more

Advanced Professional Engineering Consultants

Corona, CA

Built for real world project delivery

WebsitePhone1 office5 credentialsFounded 2005Updated Jun 2026

Service detail: Mechanical Engineering & HVAC Design

Service: Mechanical Engineering & HVAC DesignService: HVAC System Design and Air DistributionService: Cooling Systems and Chilled Water DesignIndustry: CommercialIndustry: RetailType: MEP+46 more

AlfaTech

Harmonizing Relationships, Sustainability and Innovation

Website10 projects13 leadersUpdated Jun 2026

Project: The Lucas Museum of Narrative Art

Service: MEP EngineeringService: Mechanical Engineering DesignService: Electrical Engineering DesignIndustry: CommercialIndustry: RetailType: MEP+65 more

Apex Engineering

Falmouth, ME

Apex Engineering is a mechanical, process, electrical, and structural engineering firm headquartered in Falmouth, Maine, specializing in renewable energy projects, virtual pipeline engineering, farm-powered biogas plants, industrial HVAC systems, and government and institutional facilities. Apex Engineering serves clients across Maine, Connecticut, and New York and applies computational fluid dynamics modeling and simulation to complex mechanical and structural challenges.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical & Process Engineering

Service: Mechanical & Process EngineeringService: Virtual Pipeline EngineeringService: Farm-Powered Biogas Plant DesignIndustry: Renewable EnergyIndustry: HealthcareType: Mechanical Engineering+11 more

Apex Engineering, PLLC

Calvert City, KY

Apex Engineering, PLLC is a full-service multi-discipline engineering firm headquartered in Calvert City, Kentucky, incorporated in 1974. Through its family of companies - Apex Controls Specialists and Apex Modular Extrusion Systems - it provides engineering, automation, and design-build services for industrial clients. Clients include major producers of specialty chemicals, polymers, refrigerants, nonferrous metals, coal, aggregates, electric power, rubber, elastomer products, pulp, and paper.

WebsitePhone2 officesFounded 1974Updated Jun 2026

Service detail: Specialty Engineering

Service: Process EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ChemicalsIndustry: MetalsType: Civil Engineering+35 more

Applied Engineering Services, Inc.

Ridgway, CO

We Know How

WebsitePhone3 officesFounded 1992Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Mechanical System DesignService: HVAC Systems DesignIndustry: AerospaceIndustry: NuclearType: Civil Engineering+46 more

Arete Technologies Llc

Austin, TX

Turn Your Vision into a Reality

WebsitePhone1 office4 projects11 leadersUpdated Jun 2026

Project: Microelectronics Research Center Cleanroom Buildout & Expansion

Service: MEP EngineeringService: General HVACService: Makeup AirIndustry: CommercialIndustry: EducationType: MEP+18 more

Argus Consulting, Inc.

Atlanta, GA

Fuel Connects People. And Protects Them.

Website1 office6 projects13 leadersSize Estimate: 50-100 employeesUpdated Jun 2026

Project: Boise Airport New Fuel Facility

Service: Engineering and DesignService: Programming and PlanningService: Facility DesignIndustry: AviationIndustry: DefenseType: Environmental Engineering+37 more

Arseal Technologies, Inc.

Let's Engineer the Future

Website7 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Architectural DesignService: Site Planning and DesignIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+24 more

Astra Engineering LLC

Twin Falls, ID

Industrial Design, Automation, and Engineering Solutions

WebsitePhone1 office2 projects4 credentialsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Heritage Academy Campus Expansion

Service: Construction EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ManufacturingIndustry: MiningType: Civil Engineering+32 more

Aura Engineering, LLC

Pearland, TX

A Leading Innovator in Engineering and Design Services

WebsitePhone1 office5 projects2 leaders1 credentials11 publications

Project: Hayti, MO - Railcar to Marine Transfer Facility

Service: Storage Terminal EngineeringService: Storage and Transfer Facility DesignService: Project Feasibility StudiesIndustry: PetrochemicalIndustry: ChemicalsType: Automation & Controls+36 more

Beacon Engineers

Bothell, WA

Multi-discipline industrial engineering and owner's representation services

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Engineering Design Services

Service: Engineering Design ServicesService: Civil and Structural DesignService: Mechanical and Piping SystemsIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+21 more

Bio-Process Group

West Lafayette, IN

Process Design and Improvement for Biorefinery Systems

Website1 office3 projects2 leadersFounded 1984Updated Jun 2026

Project: Orange Peel Waste Biorefinery

Service: Contract Research & DevelopmentService: Lab Scale ValidationService: Technology Scale-Up & PilotingIndustry: AgricultureIndustry: Biomass & BioenergyType: Process Engineering+18 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

Brown & Root Industrial Services, LLC

Baton Rouge, LA

Comprehensive engineering, construction, maintenance, turnarounds, and specialty services for industrial facilities.

Website4 offices1 credentialsUpdated Jun 2026

Service detail: Plan & Design

Service: Plan & DesignService: EngineeringService: EstimatingIndustry: IndustrialIndustry: Oil & GasType: Industrial Engineering+27 more

C&I Engineering

Louisville, KY

Your Engineering Partner

Website6 offices6 projects3 leaders1 credentialsUpdated Jun 2026

Project: Thin Liquids Production Facility

Service: Multi-Discipline EngineeringService: Civil and structural engineeringService: Mechanical engineeringIndustry: Oil & GasIndustry: PetrochemicalType: Industrial Engineering+45 more

C-P Systems

Vadnais Heights, MN

Building Resilient Industrial Processes

WebsitePhone1 office1 projects5 leaders1 publicationsUpdated Jun 2026

Project: Relief Study for Biobased Chemical Manufacturer WFE System

Service: Engineering ConsultingService: Process EngineeringService: Feasibility StudiesIndustry: ChemicalsIndustry: Food & BeverageType: Process Engineering+13 more