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

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

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 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 Automation and Controls, Inc.

Expert Automation & Control Solutions for Oil & Gas

Website5 credentialsUpdated Jun 2026

Service detail: Automation & Control Systems Engineering

Service: Automation & Control Systems EngineeringService: Data Acquisition SystemsService: SCADA and HMI DevelopmentIndustry: Oil & GasIndustry: IndustrialType: Automation & Controls+27 more

Applied Chemical Technology, Inc.

Florence, AL

Applied Chemical Technology (ACT) is a one-stop engineering, research and development, and fabrication firm founded in 1981 and headquartered in Florence, Alabama. ACT specializes in chemical process scale-up, providing integrated engineering, laboratory and pilot plant R&D, and custom equipment fabrication for clients in the chemical, fertilizer, agriculture, and mining industries. Its 84,500-square-foot Florence campus includes office, laboratory, fabrication, and pilot plant facilities, and its ASME VIII Div 1 pressure vessel shop supports design and build of custom reactors and process systems.

WebsitePhone1 office1 credentialsFounded 1981Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Process EngineeringService: Mechanical EngineeringIndustry: ChemicalsIndustry: AgricultureType: Chemical Engineering+21 more

Becht

Liberty Corner, NJ

The Complete Central Engineering Partner

WebsitePhone1 office5 leadersFounded 1964Updated Jun 2026

Service detail: Electrical, Instrumentation and Controls

Service: Electrical, Instrumentation and ControlsService: Mechanical Integrity and ReliabilityService: Corrosion, Materials and IntegrityIndustry: ChemicalsIndustry: IndustrialType: Automation & Controls+25 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

CSMI

Schaumburg, IL

Integrating innovative solutions for manufacturing clients

WebsitePhone1 office1 credentialsFounded 1983Updated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Packaging Line Integration EngineeringService: Packaging ConversionsIndustry: Food & BeverageIndustry: ManufacturingType: Process Engineering+17 more

Cintar Inc.

Glenshaw, PA

Multidisciplinary Engineering & Consulting Services

Website1 office1 projects7 credentials5 publicationsFounded 1983Size Estimate: 100+ employees

Project: ATI Shanghai STAL Project

Service: Civil & Structural EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: MetalsIndustry: Power GenerationType: Civil Engineering+31 more

Diversified Project Services International Inc

Safety Without Compromise

Website4 projectsUpdated Jun 2026

Project: Golden Mussel Mitigation

Service: Land SurveyingService: Civil EngineeringService: Mechanical EngineeringIndustry: AgricultureIndustry: ChemicalsType: Civil Engineering+18 more

Downs Engineering, Inc.

West Monroe, LA

Experience. Accountability. Trust.

WebsitePhone1 office1 leaders12 credentialsFounded 2010Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural and foundation designService: Large rotating equipment foundationsIndustry: Oil & GasIndustry: ChemicalsType: Civil Engineering+16 more

Element 29 LLC

Tampa, FL

Multidisciplinary engineering for industrial, energy, and mission-critical systems.

WebsitePhone1 office19 projects1 leaders2 credentialsUpdated Jun 2026

Project: 20.5 MGD Reverse Osmosis System

Service: Process and Chemical EngineeringService: Process flow diagrams and P&IDsService: Mass and energy balancesIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+108 more

Engineering & Management Solutions, Inc.

Jonesboro, AR

Industrial engineering, mechanical integrity, metrology, and project management

WebsitePhone3 offices5 projects1 credentialsUpdated Jun 2026

Project: Hazardous Waste Design

Service: Engineering DesignService: Initial Site & Production StudiesService: Construction Management & CommissioningIndustry: IndustrialIndustry: ManufacturingType: Mechanical Engineering+31 more

Evergreen Engineering, Inc.

Eugene, OR

Industrial engineering and field services for global clients.

WebsitePhone2 offices5 leadersFounded 1985Updated Jun 2026

Service detail: Industrial Engineering

Service: Industrial EngineeringService: Planning & FeasibilityService: Detailed Engineering & Process DesignIndustry: IndustrialIndustry: Biomass & BioenergyType: Mechanical Engineering+30 more

Exponent

Hard Questions. Tough Challenges. Bring It.

Website5 projects4 leaders12 credentialsFounded 1967Size Estimate: 950 employeesUpdated Jun 2026

Project: AI and Driver Safety Evaluation

Service: Accident & Failure InvestigationService: Failure AnalysisService: Vehicle & Aircraft TechnologyIndustry: ChemicalsIndustry: Power GenerationType: Forensic Engineering+48 more

Franklin Engineering Group Inc

Franklin, TN

Delivering trusted engineering and environmental solutions.

WebsitePhone1 office40 leadersUpdated Jun 2026

Service detail: Chemical and Process Engineering

Service: Chemical and Process EngineeringService: Chemical Process Engineering DesignService: Process EngineeringIndustry: AutomotiveIndustry: ChemicalsType: Automation & Controls+28 more

Frontline BioEnergy LLC

Nevada, IA

Innovative gasification solutions for renewable energy, renewable fuels, and renewable products.

WebsitePhone1 office6 projects4 leaders3 publicationsFounded 2003

Project: CVEC Commercial Gasification System

Service: Gasification Technology Design and LicensingService: Biomass GasificationService: Refuse-Derived Fuel GasificationIndustry: Biomass & BioenergyIndustry: Renewable EnergyType: Process Engineering+36 more

Gulf States Engineering Inc

Mobile, AL

Engineering excellence

WebsitePhone3 offices7 projects17 leaders30 credentialsFounded 1998

Project: Airbus Final Assembly Line

Service: Structural EngineeringService: Structural DesignService: Equipment FoundationsIndustry: MetalsIndustry: AerospaceType: Civil Engineering+39 more

Infinity Engineering Consultants, LLC

Metairie, LA

Infinite Capabilities | Boundless Potential

WebsitePhone2 offices4 leaders6 credentialsFounded 2004Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Bulkheads and Retaining WallsService: Caissons and CofferdamsIndustry: MarineIndustry: IndustrialType: Civil Engineering+25 more

Integral Engineering Group

Knoxville, TN

Engineering Beyond the Curve

Website1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Focuses On The DesignService: OptimizationIndustry: ChemicalsIndustry: PetrochemicalType: Process Engineering+49 more

K&H Architectural & Engineering Services, LLC

Amherst, NY

Engineering, Architecture, Procurement and Construction Management

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering & Architecture

Service: Engineering & ArchitectureService: Architectural DesignService: Civil EngineeringIndustry: Power GenerationIndustry: MetalsType: Architecture & Engineering+33 more

KAEKO Inc

Chandler, AZ

Engineering Creative Solutions

WebsitePhone1 office24 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Civil EngineeringService: Site Infrastructure & DevelopmentIndustry: Senior LivingIndustry: CommercialType: Civil Engineering+39 more

LDIS, LLC

Arvada, CO

Engineering Solutions Tailored to You

WebsitePhone1 office8 projects5 leadersFounded 2003Updated Jun 2026

Project: Large Scale Amine Carbon Capture and CO2 Sequestration Facility

Service: Construction ManagementService: ProcurementService: SourcingIndustry: ChemicalsIndustry: MiningType: Automation & Controls+63 more