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

Ammonite Resources

Houston, TX

Ammonite Resources provides geotechnical and economic advisory services for the petroleum and mineral industries worldwide. Established in 1982, it assists clients with investment due diligence, strategic planning, international contract negotiations, corporate finance, and acquisitions and divestitures. It is headquartered in Connecticut with a network of associate offices across the United States, Canada, and the United Kingdom.

Website9 offices25 leadersFounded 1982Updated Jun 2026

Service detail: Investment Due Diligence

Service: Investment Due DiligenceService: First-Pass Opportunity ReviewsService: Joint Venture Evaluation and RepresentationIndustry: Oil & GasIndustry: MiningType: Geotechnical Engineering+19 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Arrington Automation Inc.

Littleton, CO

Your Resource for Control System Engineering and System Integration

WebsitePhone2 officesFounded 2015Updated Jun 2026

Service detail: Controls Engineering

Service: Controls EngineeringService: Control System DesignService: System IntegrationIndustry: Automation & ControlsType: Automation & Controls

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 more

BECI

Houston, TX

Protecting Enclosures. Together.

WebsitePhone14 offices7 projects33 leadersUpdated Jun 2026

Project: 1111 Church Street

Service: Building Enclosure ConsultingService: Building Enclosure CommissioningService: Building Enclosure TestingIndustry: RetailIndustry: HospitalityType: Architecture & Engineering+21 more

Bridgefarmer & Associates, Inc.

Dallas, TX

Engineering reliable transportation and heavy civil infrastructure since 1976

WebsitePhone6 offices8 projectsFounded 1976Updated Jun 2026

Project: DFW Connector

Service: Roadway and Highway EngineeringService: Urban Freeways and InterchangesService: Major and Complex Highway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+30 more

Brierley Associates Corporation

Englewood, CO

Creating Space Underground

WebsitePhone20 offices4 projects6 leaders11 credentialsUpdated Jun 2026

Project: Champlain Hudson Power Express Trenchless Crossings

Service: Tunneling EngineeringService: Trenchless EngineeringService: Horizontal Directional Drilling (HDD)Industry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+20 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

Collier Consulting, Inc.

Stephenville, TX

We Bring a World of Solutions

WebsitePhone11 offices18 leadersFounded 1998Size Estimate: 25-50 employeesUpdated Jun 2026

Service detail: Geoscience

Service: GeoscienceService: GroundwaterService: EnvironmentalIndustry: Water ResourcesIndustry: Water SupplyType: Environmental Engineering+30 more

Corrosion Probe, Inc.

Centerbrook, CT

Preserving Infrastructure, One Solution at a Time.

WebsitePhone13 offices6 credentialsUpdated Jun 2026

Service detail: Materials & Corrosion

Service: Materials & CorrosionService: Material SelectionService: Damage Mechanism IdentificationIndustry: Pulp & PaperIndustry: Water SupplyType: Materials Engineering+30 more

DCI Engineers

Seattle, WA

Service. Innovation. Value.

WebsitePhone22 offices1 projects4 leadersFounded 1988Size Estimate: 350+ employees

Project: The Artise

Service: Structural EngineeringService: High-rise and performance-based designService: Seismic and adaptive renovationIndustry: CommercialIndustry: Multifamily ResidentialType: Structural Engineering+36 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

Envista Forensics

Chicago, IL

The Face Of Certainty In A Complex World

WebsitePhone13 offices8 projects1 leadersFounded 1989Updated Jun 2026

Project: Robotic Paint Line Fire - Asia

Service: Forensic EngineeringService: Electrical Failure AnalysisService: Mechanical Failure AnalysisIndustry: InsuranceIndustry: LegalType: Forensic Engineering+14 more

Eric L. Davis Engineering, Inc.

Forney, TX

Plan Build Manage

WebsitePhone4 offices1 leaders1 credentialsFounded 2000Size Estimate: 1-25 employees

Service detail: Commercial Structural Engineering

Service: Commercial Structural EngineeringService: Steel Structural SystemsService: Concrete Structural SystemsIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+32 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

JSM & Associates

Apopka, FL

We Keep Airports Moving

WebsitePhone7 offices13 projects7 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Tampa International Airport - CBIS Recapitalization/Optimization

Service: BHS Design & ConsultationService: Baggage Conveyor Layout PlanningService: Checked Baggage Inspection Security DesignIndustry: AviationIndustry: AirportsType: Aviation Engineering+8 more

LJA Engineering, Inc.

Houston, TX

Client Focused.

WebsitePhone5 officesFounded 1972Updated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Residential Land DevelopmentService: Special Financing District ServicesIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+68 more

LJA Program Management LLC

Houston, TX

. Client Focused.

WebsitePhone5 offices3 projects5 credentialsFounded 1972Updated Jun 2026

Project: Ranew's E-Coat Masterplan

Service: Aviation ServicesService: Civil EngineeringService: Public Infrastructure and WorksIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+75 more

LS Gallegos & Associates, Inc.

Englewood, CO

LS Gallegos (LSG) is a professional services firm that provides owner representative and advisory services on major capital improvement programs and transportation infrastructure projects across the United States. Founded in 1988, it specializes in airports, highways, tollways, public works, transit systems, bridge and tunnel inspection, and project/program management support services.

WebsitePhone5 offices6 leaders1 credentialsFounded 1988Updated Jun 2026

Service detail: Program/Project Management & Oversight

Service: Program/Project Management & OversightService: Owner RepresentativeService: Program ManagementIndustry: TransportationIndustry: InfrastructureType: Owner's Engineer+24 more

Level Engineering & Architecture

Loveland, CO

Level Engineering and Architecture is a multidisciplinary civil and structural engineering and architecture firm headquartered in Loveland, Colorado, with 12 offices across 7 states. It serves homeowners, commercial building owners, contractors, developers, and local government clients with structural engineering, civil engineering, architecture, and inspection services. With over 25,000 projects completed and 500+ five-star reviews, Level provides stamped drawings and signed plans for permitting, structural inspections, load-bearing assessments, foundation engineering, and forensic reports. Civil services include hydraulic engineering, drainage engineering, water and wastewater, and bridge engineering.

WebsitePhone13 offices1 leaders1 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Load Bearing Wall RemovalService: Foundation EngineeringIndustry: ResidentialIndustry: CommercialType: Structural Engineering+23 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