Public engineering firm directory

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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

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

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

Engineering Systems Inc.

Scottsdale, AZ

Multidisciplinary Expertise. Industry Insight.

Website22 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Uncovering the Truth Behind a Toy Archery Injury

Service: Accident ReconstructionService: Motor Vehicle Accident ReconstructionService: Industrial and Workplace Incident AnalysisIndustry: AgricultureIndustry: MiningType: Chemical Engineering+57 more

Henderson Engineers

Lenexa, KS

Henderson Engineers is a national building systems engineering design and facility consulting firm headquartered in Lenexa, Kansas, with 15 offices across the United States. Its team of more than 1,000 engineers provides mechanical, electrical, plumbing, fire and life safety, refrigeration, telecommunications, security, acoustics, and commissioning services for retail, healthcare, commercial, grocery and distribution, sports venue, and data center markets.

Website15 offices4 leaders2 credentials2 publicationsSize Estimate: 1,000 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: Air DistributionIndustry: CommercialIndustry: RetailType: MEP+29 more

ME Engineers

Denver, CO

The Difference Is ME

Website16 offices1 credentialsUpdated Jun 2026

Service detail: Mechanical, Electrical, Plumbing Design

Service: Mechanical, Electrical, Plumbing DesignService: Fire ProtectionService: Technology DesignIndustry: Sports & RecreationIndustry: EducationType: MEP+24 more

Maxson Engineering

Littleton, CO

Multi-disciplinary systems engineering and design practice

WebsitePhone4 offices1 projects4 leadersFounded 2013Updated Jun 2026

Project: Dream Chaser

Service: Mechanical EngineeringService: HVAC and Building AutomationService: Central Chiller and Boiler PlantsIndustry: Research FacilitiesIndustry: IndustrialType: Mechanical Engineering+40 more

SEA, Ltd.

Columbus, OH

Revealing the Cause. Mitigating the Risk.

WebsitePhone13 offices1 leadersFounded 1970Size Estimate: 350+ employeesUpdated Jun 2026

Service detail: Forensic Engineering & Investigation

Service: Forensic Engineering & InvestigationService: Accident ReconstructionService: Fire and Explosion InvestigationIndustry: Consumer ProductsIndustry: Power GenerationType: Civil Engineering+38 more

Shah Smith & Associates

Houston, TX

MEP Engineering Specialists

WebsitePhone4 offices10 projects9 leadersFounded 1994Size Estimate: 50-200 employees

Project: San Antonio International Airport Expansion

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: HealthcareType: MEP+15 more

ZAP Engineering & Construction Services, Inc.

Lakewood, CO

Excellence in Execution

WebsitePhone2 offices7 projectsUpdated Jun 2026

Project: 60 MMSCFD Libby Gas Plant

Service: Civil and Structural EngineeringService: Civil EngineeringService: Structural Engineering DesignIndustry: Oil & GasIndustry: MiningType: Automation & Controls+34 more