Public engineering firm directory

Find engineering consulting firms by capability and location.

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3D Design & Engineering

Houston, TX

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

WebsitePhone1 office4 projects2 leaders3 credentialsUpdated Jun 2026

Project: Superbowl LI Cellular Network Modifications

Service: A&E ServicesService: Site Feasibility StudiesService: Erosion and Sediment Control PlanningIndustry: Oil & GasIndustry: TelecommunicationsType: Architecture & Engineering+30 more

3Dent Technology, LLC

Houston, TX

Offshore Engineering and Consulting

WebsitePhone1 officeUpdated Jun 2026

Service detail: Offshore Engineering & Consulting

Service: Offshore Engineering & ConsultingService: Concept & Basic DesignService: Simulation EngineeringIndustry: Oil & GasIndustry: MarineType: Structural Engineering+5 more

ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Civil and Infrastructure Engineering

Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignService: Site Master PlanningIndustry: CommercialIndustry: IndustrialType: Civil Engineering+38 more

ACR Engineering, Inc.

Austin, TX

ACR Engineering, Inc. is an Austin-based mechanical, electrical, plumbing (MEP), and energy engineering practice established in 1980. The practice specializes in energy management, HVAC and control systems design, commissioning, and energy saving performance contracting. Its engineers collaborate directly with building owners from initial concept through construction and commissioning to optimize efficiency and minimize operating costs.

WebsitePhone3 offices4 projectsFounded 1980Updated Jun 2026

Project: Austin City Hall

Service: Energy Management and ConsultingService: Energy Cost Control and Performance ContractingService: Utility Rebates and Deregulation SupportIndustry: GovernmentType: MEP+11 more

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

AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

AG|CM

Corpus Christi, TX

Professional Project Management Group

WebsitePhone5 offices4 projects10 credentialsFounded 1996Updated Jun 2026

Project: Harris County Emergency Corps Building Projects

Service: Program ManagementService: Master Planning & ProgrammingService: Feasibility AnalysisIndustry: HealthcareIndustry: EducationType: Owner's Engineer+24 more

AIG Technical Services, LLC

Houston, TX

AIG Technical Services, LLC is a Houston-based engineering consulting practice specializing in transportation infrastructure. It offers a multi-disciplinary blend of planning, engineering, and program management services for various transportation projects, ranging from local improvements to large-scale corridor developments across Texas. The practice focuses on delivering cost-effective and safe solutions by collaborating closely with public agency clients to address complex engineering and planning challenges.

WebsitePhone2 offices6 projects5 leaders9 credentialsUpdated Jun 2026

Project: SH 146 Ferry Road to I-10 Schematic and Environmental Study

Service: Transportation PlanningService: Formulates Long-term StrategiesService: Corridor Concepts For Multimodal Transportation NetworksIndustry: Highways & RoadsIndustry: TransitType: Civil Engineering+16 more

Accelerate Engineering, LLC

Houston, TX

Crafting sustainable solutions that enrich lives

WebsitePhone1 office2 leadersFounded 2022Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway DesignService: Traffic EngineeringIndustry: TransportationIndustry: WastewaterType: Civil Engineering+22 more

Agha Engineering, LLC

Houston, TX

Engineering Innovation Forward

WebsitePhone1 office8 projects9 leaders2 credentialsSize Estimate: 60 employees

Project: Burnett Bayland Park

Service: Transportation EngineeringService: Roadway DesignService: Bike and Pedestrian PlanningIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 more

Agility Engineering

Houston, TX

Delivering public infrastructure efficiently, economically, and sustainably.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Construction DesignService: Hydraulic and Hydrology ModelingIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+23 more

Aiken Engineering Company

Houston, TX

Aiken Engineering designs and evaluates specialized equipment and components for critical service applications.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Analysis

Service: Engineering AnalysisService: Finite Element AnalysisService: Engineering Design and DraftingIndustry: Oil & GasIndustry: Power GenerationType: Mechanical Engineering+15 more

Allen Engineering and Science

Jackson, MS

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

WebsitePhone6 offices5 leadersFounded 1993Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Environmental EngineeringIndustry: Oil & GasIndustry: ManufacturingType: Civil Engineering+26 more

Alliance Geotechnical Group, Inc.

Dallas, TX

Accredited Laboratory Testing.

WebsitePhone6 offices21 leaders12 credentialsFounded 1999Size Estimate: 150+ employees

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Geotechnical InvestigationsIndustry: GovernmentIndustry: EducationType: Geotechnical Engineering+35 more

Ally General Solutions, LLC

Houston, TX

Building now for tomorrow

Website1 office8 projects7 leadersFounded 2011Updated Jun 2026

Project: Houston Veterans Affair Medical Center

Service: Civil EngineeringService: Highways and Airports EngineeringService: Access Road DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+31 more

Amani Engineering, Inc.

Houston, TX

One Stop Service

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering Design

Service: Civil Engineering DesignService: SurveyingService: Construction Observation & AdministrationIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+5 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

Ascend Consulting & Engineering PLLC

Houston, TX

Engineering Water Systems Beyond Expectation

WebsitePhone1 office1 leaders1 credentialsFounded 2020Size Estimate: 1-10 employees

Service detail: Project Management

Service: Project ManagementService: Scope and Budget ControlService: Inter-agency CoordinationIndustry: Stormwater & Flood ControlIndustry: WastewaterType: Civil Engineering+34 more

Asei Engineering Inc

Phoenix, AZ

More than engineering

WebsitePhone2 offices11 leadersUpdated Jun 2026
Service: MechanicalService: PlumbingService: ElectricalIndustry: CommercialIndustry: RetailType: MEP+8 more

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

Aurora Technical Services, LLC

Houston, TX

Excellence. Innovation. Solutions that work.

WebsitePhone3 offices7 projects4 leaders2 credentialsFounded 2015

Project: Surface Water Transmission Program (SWTP)

Service: Engineering & DesignService: Planning & Preliminary EngineeringService: Detail DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+10 more

Aviles Engineering Corporation

Houston, TX

45 years of excellence

WebsitePhone1 office3 leadersSize Estimate: 50+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical ExplorationService: Foundation EngineeringIndustry: InfrastructureIndustry: CommercialType: Geotechnical Engineering+12 more