Public engineering firm directory

Find engineering consulting firms by capability and location.

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AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

BBS Architects, Landscape Architects & Engineers, PC

Patchogue, NY

Creating enduring value by balancing the practical with the extraordinary.

WebsitePhone2 offices29 projects10 leaders32 credentialsFounded 1975

Project: Catskill Middle School Gymnasium + Athletic Fields

Service: ArchitectureService: K-12 School DesignService: Library and Media Center DesignIndustry: EducationIndustry: Arts & CultureType: Architecture & Engineering+22 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

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

Corval Group

Saint Paul, MN

We Build Confidence

WebsitePhone1 office5 projects2 leaders12 credentialsFounded 1921

Project: ONEOK Rockies Midstream Compressor Station Program

Service: Project DevelopmentService: Early-phase FeasibilityService: Scope DefinitionIndustry: Power GenerationIndustry: Oil & GasType: EPC+29 more

ENGlobal Corporation

Houston, TX

Delivering Innovation

WebsitePhone3 officesUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Program ManagementService: Front-End Engineering and Design (FEED)Industry: Oil & GasIndustry: PetrochemicalType: EPC+26 more

ESI Inc. of Tennessee

Kennesaw, GA

The Steam & Power Special Forces

WebsitePhone1 officeSize Estimate: 80+ employeesUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: 3D DesignService: ProcurementIndustry: Power GenerationIndustry: Electric UtilitiesType: Power & Utility Engineering+5 more

Global Resource Design Inc.

Denver, CO

Engineering Simplified

WebsitePhone2 officesUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: ProcurementService: Construction ManagementIndustry: Oil & GasIndustry: MiningType: EPC+4 more

Jedson Engineering

Your Capital Project Delivery Partner

Website17 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Feasibility (FEL-1)Service: Conceptual Design (FEL-2)Industry: Consumer ProductsIndustry: Life SciencesType: EPC+44 more

KSI Engineering, Inc.

Bakersfield, CA

We make what you do possible.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: Oil & GasType: Civil Engineering+22 more

Kesco Solutions

Fort Mill, SC

Dry Bulk Processing Solutions

WebsitePhone1 officeFounded 2001Updated Jun 2026

Service detail: Consulting

Service: ConsultingService: Process Inefficiency IdentificationService: Return on Investment EvaluationIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+16 more

Kiewit Corporation

Omaha, NE

Building Tomorrow Since 1884

Website1 office5 credentialsFounded 1884Size Estimate: 20,000+ employeesUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Feasibility studies and conceptual designService: Detailed engineering and designIndustry: Power GenerationIndustry: TransportationType: Coastal Engineering+44 more

Lauren Engineers & Constructors

Designing and Building Success

WebsiteUpdated Jun 2026

Service detail: EPC / EPCM

Service: EPC / EPCMService: EPC Project ManagementService: Front End Engineering Design (FEED)Industry: Oil & GasIndustry: PetrochemicalType: EPC+30 more

Liberty Environmental, Inc.

Reading, PA

Providing Innovative Solutions to Complex Environmental Problems

WebsitePhone5 offices4 leaders3 credentials1 publicationsFounded 2004

Service detail: Regulatory Compliance

Service: Regulatory ComplianceService: Air PermittingService: SPCC Plan Development and UpdatesIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+48 more

McDermott

Building Energy's Future for Now and What's Next

Website4 projects9 leaders1 credentialsFounded 1923Size Estimate: 30,000 employeesUpdated Jun 2026

Project: Harriet Alpha Platform Decommissioning

Service: EngineeringService: ProcurementService: LocatesIndustry: Oil & GasIndustry: Power Transmission & DistributionType: EPC+25 more

Middough Inc.

Cleveland, OH

Engineering Project Solutions

Website4 offices10 projects29 credentialsFounded 1950Updated Jun 2026

Project: No. 4 BOF Gas Cleaning System

Service: Planning & ConsultingService: ConsultingService: PlanningIndustry: AgricultureIndustry: ChemicalsType: Architecture & Engineering+22 more

Millcreek Engineering Co.

Salt Lake City, UT

Rendering to Reality

WebsitePhone2 officesSize Estimate: 20-100 employeesUpdated Jun 2026

Service detail: Full-Service EPC

Service: Full-Service EPCService: EngineeringService: ProcurementIndustry: MiningIndustry: Aggregates & QuarryingType: Process Engineering+27 more

PENN PRO Engineering

Lakeland, FL

PENN PRO Engineering is a full-service technical engineering firm based in Lakeland, Florida, founded in 1992 by M. Wayne Pennewell. PENN PRO specializes in process, mechanical, electrical, and environmental engineering for the phosphate, biofuels, petroleum terminal, and mining sectors. The firm has completed thousands of projects ranging from process evaluations and EPCM efforts to detailed engineering, procurement, and construction management, serving major producers and midstream companies across the United States.

WebsitePhone1 office1 leadersFounded 1992Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: EnvironmentalService: Design and DraftingIndustry: MiningIndustry: Biomass & BioenergyType: Process Engineering+12 more

PPS Services Group

Kansas City, MO

An International Engineering and Technical Services Provider

WebsitePhone1 office3 projects8 leadersSize Estimate: 10-30 employeesUpdated Jun 2026

Project: Marshall Phase 1 and 2 - Gas Turbine Project

Service: Project DevelopmentService: Energy ConsultingService: Due Diligence / Condition AssessmentsIndustry: Power GenerationIndustry: IndustrialType: Power & Utility Engineering+32 more

Penta Engineering Corp

St. Louis, MO

Committed to Excellence From Concept to Completion

Website4 offices3 projects4 leadersFounded 1986Updated Jun 2026

Project: Ash Classification System EPCM

Service: EngineeringService: Mechanical EngineeringService: Structural & Civil EngineeringIndustry: Aggregates & QuarryingIndustry: AgricultureType: Civil Engineering+29 more

Pfefferkorn Engineering & Environmental

Bringing infrastructure projects to fruition through our talented team of technical professionals.

Website2 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Structural EngineeringService: Structural Analysis & InspectionIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+42 more

Power & Energy Systems, Inc.

Engineering and project management for power and energy projects

WebsiteUpdated Jun 2026

Service detail: Power Plant Engineering

Service: Power Plant EngineeringService: Development SupportService: Technical ConsultingIndustry: Power GenerationIndustry: Electric UtilitiesType: Power & Utility Engineering+16 more

STZ Engineering

Doral, FL

Engineering Excellence for a Better Tomorrow

WebsitePhone1 office6 projectsUpdated Jun 2026

Project: Ocean Park Structural Verification

Service: EngineeringService: Structural EngineeringService: Civil and Infrastructure EngineeringIndustry: AviationIndustry: BridgesType: Civil Engineering+32 more

Saulsbury

Odessa, TX

Full-service EPC for energy and heavy industrial projects.

Website7 offices3 leadersFounded 1967Updated Jun 2026

Service detail: Engineering, Procurement, and Construction

Service: Engineering, Procurement, and ConstructionService: EngineeringService: Electrical and InstrumentationIndustry: Oil & GasIndustry: PetrochemicalType: EPC+18 more