Public engineering firm directory

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20/10 Engineering Group, LLC

Sustainable Designs | Better Engineering Vision

Website9 projectsUpdated Jun 2026

Project: Trinity International University - New Waybright Student Center

Service: Mechanical, Electrical, and Plumbing EngineeringService: HVAC and Climate Control SystemsService: Plumbing and Process Piping DesignIndustry: EducationIndustry: HealthcareType: MEP+26 more

360 Energy Group

Chicago, IL

Your Energy Use Simplified

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Schaumburg Park District Energy Efficiency Study

Service: Program Design and ImplementationService: Public Sector ProgramsService: Geothermal Heat Pump DeploymentIndustry: GovernmentIndustry: UtilitiesType: Power & Utility Engineering+19 more

Advanced Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects11 leadersFounded 1990Size Estimate: 60+ employees

Project: World Shale Gas and Shale Oil Resource Assessment

Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentService: Coalbed Methane Feasibility StudiesIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+20 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

BCS Allegient

Arlington, VA

Services and Solutions Optimized for Mission Success

WebsitePhone3 offices5 projects14 leaders3 credentialsFounded 2024

Project: U.S. Army Office of Energy Initiatives (OEI) Project Support

Service: Research Portfolio Execution and IntegrationService: Science & Engineering StudiesService: Energy Audits & BenchmarkingIndustry: GovernmentIndustry: FederalType: Defense Engineering+59 more

Battle Born Ventures, LLC

Sparks, NV

Reliable Service & Quality Land Surveys

WebsitePhone1 office6 projects2 leaders3 credentialsFounded 2004

Project: Coeur Rochester Mine Ph4 Heap Leach Pad

Service: Boundary SurveysService: Property corner location surveysService: Records of surveyIndustry: Land DevelopmentIndustry: ResidentialType: Land Surveying+50 more

Bender Energy Group, LLC

Cincinnati, OH

The Leader In Energy Management Services.

Website1 office1 credentialsUpdated Jun 2026

Service detail: Facility Energy Auditing

Service: Facility Energy AuditingService: Investment-Grade Energy AuditsService: Resource Conservation Measure AnalysisIndustry: CommercialIndustry: GovernmentType: Mechanical Engineering+16 more

Best Engineering, PLC

Roanoke, VA

High-performance HVAC experts.

Website1 office8 credentialsUpdated Jun 2026

Service detail: Building Commissioning

Service: Building CommissioningService: New Construction Commissioning (Cx)Service: Retro-Commissioning (RCx)Industry: EducationIndustry: HealthcareType: Mechanical Engineering+24 more

Blade Energy Partners

Frisco, TX

Highest quality engineering solutions to complex problems in the energy industry

WebsitePhone6 officesFounded 2008Size Estimate: 25-100 employeesUpdated Jun 2026

Service detail: Well Engineering

Service: Well EngineeringService: Critical and complex well designService: Casing design and tubular selectionIndustry: Oil & GasIndustry: GeothermalType: Environmental Engineering+50 more

CMA Engineers

Portsmouth, NH

Pursue Excellence

WebsitePhone3 offices5 projects9 leaders4 credentialsUpdated Jun 2026

Project: AVRRDD Mt. Carberry Landfill Leachate Siphon

Service: Civil Engineering & TransportationService: Civil Infrastructure PlanningService: Roadway and Highway DesignIndustry: Waste ManagementIndustry: GeothermalType: Civil Engineering+35 more

ESG Solutions

Houston, TX

Microseismic Subsurface Diagnostics

WebsitePhone3 offices11 projectsFounded 1993Updated Jun 2026

Project: Microseismic Monitoring of Quest's CCUS Operation

Service: Energy ServicesService: Hydraulic Fracture MonitoringService: Induced Seismicity MonitoringIndustry: Oil & GasIndustry: MiningType: Geotechnical Engineering+26 more

EnerconAmerica Inc

Chicago, IL

In Pursuit of Clean Energy

Website1 officeUpdated Jun 2026

Service detail: Plant Engineering and Design

Service: Plant Engineering and DesignService: Conceptual Design and Site SelectionService: Process and Instrumentation EngineeringIndustry: Power GenerationIndustry: Power Transmission & DistributionType: EPC+24 more

Geo-Energy Services, LLC

Littleton, CO

Clean, Renewable, and Efficient HVAC Solutions

WebsitePhone1 office2 credentialsFounded 2006Updated Jun 2026

Service detail: GeoExchange Engineering & Commissioning

Service: GeoExchange Engineering & CommissioningService: Ground Heat Exchanger DesignService: Air Source Heat Pump EngineeringIndustry: GeothermalIndustry: Renewable EnergyType: Design-Build+7 more

Grubb Engineering, Inc.

San Antonio, TX

Electrical Power Systems Design and Testing

WebsitePhone1 office1 credentialsFounded 1981Updated Jun 2026

Service detail: Electrical System Design

Service: Electrical System DesignService: Water and Wastewater Facility Electrical DesignService: Substation, Transmission, and Distribution DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+36 more

Hartman Structural Engineering, LLC

Reno, NV

Structural engineering practice based in Reno, Nevada, tracing its history to Clark Gribben & Associates, founded in 1968. Brian Hartman became President and Owner in 2000 and the practice was renamed Hartman Structural Engineering in 2007. Hartman Structural Engineering serves clients throughout Northern Nevada, the Eastern Sierra region of California, and Southern Nevada on projects spanning correctional facilities, hospitals, schools, geothermal power plants, water treatment infrastructure, and commercial buildings.

WebsitePhone1 office6 projects2 leaders10 credentialsFounded 1968

Project: VA Hospital Clinical/Bed Addition

Service: Structural Engineering DesignService: Design Bid Build DocumentsService: Design Build DocumentsIndustry: Justice & CorrectionsIndustry: CommercialType: Structural Engineering+26 more

Holstein White Inc.

Trevose, PA

Building Solutions That Last

WebsitePhone1 office6 projects6 leaders4 credentialsSize Estimate: 11-50 employees

Project: Casa Indiana

Service: Mechanical EngineeringService: Variable Refrigerant Flow (VRF) System DesignService: Central Plant System DesignIndustry: CommercialIndustry: ResidentialType: MEP+50 more

Industrial Cooling Solutions

Lakewood, CO

Performance Guaranteed

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: Keramasan Power Project

Service: Cooling Tower Engineering & ConstructionService: New Cooling Tower EngineeringService: Counterflow Cooling TowersIndustry: Power GenerationIndustry: GeothermalType: Mechanical Engineering+39 more

Innovative Construction & Design Solutions, LLC

North Branford, CT

Innovative Construction & Design Solutions, LLC is a North Branford, Connecticut-based consulting engineering practice. It provides professional design and analytical engineering services alongside comprehensive construction support, commissioning, systems integration, automation, control-panel fabrication, geo-exchange engineering, and green-building support.

WebsitePhone1 office6 projects4 credentialsUpdated Jun 2026

Project: Maine Army National Guard Army Aviation Support Facility CHP System

Service: Construction AdministrationService: Work with contractors to coordinate job meetings and review project schedule/statusService: Thorough review of shop drawings and equipment submittalsIndustry: CommercialIndustry: GovernmentType: MEP+47 more

McHale & Associates, Inc.

Redmond, WA

Complete Performance Solutions

WebsitePhone2 offices1 credentials1 publicationsFounded 1995Updated Jun 2026

Service detail: Performance Testing

Service: Performance TestingService: Power Plant or Component Contractual Acceptance TestingService: CTI Licensed Independent Cooling Tower TestingIndustry: Power GenerationIndustry: Renewable EnergyType: Power & Utility Engineering+27 more

Orion Engineers & Constructors

Mobile, AL

Enabling success and building relationships.

Website4 officesFounded 2001Updated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Feasibility StudiesService: Front End Loading PackagesIndustry: Biomass & BioenergyIndustry: ChemicalsType: Architecture & Engineering+73 more

Skyline Engineering, LLC

Rapid City, SD

Mechanical and Electrical Consulting Engineers

WebsitePhone1 office3 leaders1 credentialsFounded 2002Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC system designService: Geothermal system designIndustry: CommercialIndustry: GeothermalType: Mechanical Engineering+8 more

Trimeric Corporation

Process engineering, chemical engineering, and technical research services.

Website2 projects2 leaders1 credentials5 publicationsFounded 2003Updated Jun 2026

Project: Illinois Basin - Decatur Project

Service: Process & Chemical EngineeringService: Process Modeling and SimulationService: Process Troubleshooting and OptimizationIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+26 more

Veizades & Associates, Inc.

San Francisco, CA

Veizades & Associates, Inc. is a geothermal consulting engineering firm founded in 1979 and headquartered in San Francisco, California. For over 44 years, Veizades has delivered consulting engineering services for the geothermal industry to clients worldwide, including geothermal power developers, geothermal producers, engineering firms, utilities, and construction companies. Veizades has developed expertise in aboveground pipeline engineering for steam and two-phase systems in rugged terrain, and its portfolio spans the engineering of new geothermal facilities and the enhancement and modernization of existing ones.

Website1 officeFounded 1979Updated Jun 2026

Service detail: Geothermal Engineering

Service: Geothermal EngineeringService: Pipeline EngineeringIndustry: GeothermalIndustry: Renewable EnergyType: Power & Utility Engineering+1 more

Veregy, LLC

Phoenix, AZ

We turn your energy transition into real savings.

WebsitePhone1 office4 leaders3 credentialsUpdated Jun 2026

Service detail: Energy Efficiency & Infrastructure Upgrades

Service: Energy Efficiency & Infrastructure UpgradesService: Smart Building TechnologyService: Fleet EV InfrastructureIndustry: EducationIndustry: FederalType: MEP+15 more