Public engineering firm directory

Find engineering consulting firms by capability and location.

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3Vi, Inc.

San Ramon, CA

Engineering Excellence for a Sustainable Future

WebsitePhone3 offices1 leadersUpdated Jun 2026

Service detail: Systems Engineering & Integration

Service: Systems Engineering & IntegrationService: SCADA and Control SystemsService: Communications SystemsIndustry: TransitIndustry: RailType: Electrical Engineering+18 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

ARGO Systems, LLC

Baltimore, MD

Innovative Construction Solutions

WebsitePhone6 offices1 credentialsFounded 2004Size Estimate: 50-100 employeesUpdated Jun 2026

Service detail: Program and Project Management

Service: Program and Project ManagementService: Project Planning and SchedulingService: Budget and Cost ControlIndustry: GovernmentIndustry: DefenseType: Electrical Engineering+26 more

ASI Partners Inc.

Huntsville, AL

Engineering Capability and Talent for What Comes Next

WebsitePhone1 officeUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Architecture Development and MBSEService: System Integration and VerificationIndustry: DefenseIndustry: AerospaceType: Defense Engineering+20 more

ASUSE Incorporated

Tempe, AZ

Transform Your Vision Into Reality with ASUSE

WebsitePhone1 office1 projects3 credentialsFounded 2021Size Estimate: 1-25 employees

Project: Ak-Chin Indian Community Utility Infrastructure

Service: Engineering DesignService: Power Distribution DesignService: Communication Infrastructure DesignIndustry: Power GenerationIndustry: Oil & GasType: Design-Build+21 more

Abraxas Energy Consulting

Energy Efficiency & Building Energy Audits

Website5 projects1 credentials2 publicationsUpdated Jun 2026

Project: FBI Headquarters Energy Audit

Service: Energy ConsultingService: Commercial Energy AuditsService: Retro-CommissioningIndustry: CommercialIndustry: FederalType: Mechanical Engineering+27 more

Abysmal Corporation LLC

Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability

Website6 projectsUpdated Jun 2026

Project: Redstone Arsenal Facility Audits & Energy Systems

Service: Engineering ServicesService: Chemical EngineeringService: Civil EngineeringIndustry: Environmental & RemediationIndustry: ChemicalsType: Environmental Engineering+22 more

Advanced Systems Technology, Inc.

Lawton, OK

Advanced Systems Technology, Inc. (AST) delivers defense engineering and simulation solutions, drawing on over 39 years of experience supporting the Department of Defense. It specializes in Live, Virtual, Constructive, and Gaming (LVC-G) training domains, Command, Control, Communications, Computer, and Intelligence (C4I) systems, and training aids, devices, simulators, and simulations (TADSS).

WebsitePhone2 officesUpdated Jun 2026

Service detail: LVC-G Training Systems Engineering

Service: LVC-G Training Systems EngineeringService: Live, Virtual, and Constructive SimulationService: Gaming and Training ApplicationsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+12 more

Apollo Engineering Solutions LLC

Lorton, VA

Developing Cost-Effective Green and Resilient Business Solutions

Website1 office2 leaders5 credentialsFounded 2010Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Planning and Resiliency Services

Service: Planning and Resiliency ServicesService: Resiliency PlanningService: Awareness Education and TrainingIndustry: Affordable HousingIndustry: GovernmentType: Owner's Engineer+11 more

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

Atlantic Engineering Services

Pittsburgh, PA

Bringing Architectural Visions to Life

WebsitePhone3 offices8 projects5 leaders2 credentials3 publications

Project: Pittsburgh Athletic Association Renovation

Service: Structural EngineeringService: Steel DesignsService: ConcreteIndustry: Senior LivingIndustry: GovernmentType: Structural Engineering+38 more

Avelar

Walnut Creek, CA

Collaborative & Innovative

WebsitePhone1 office5 projects6 leaders3 credentialsFounded 1976

Project: Combination of Condominium Units and Single-Family Homes

Service: Forensic and Litigation SupportService: Litigation Expert SupportService: Expert Witness TestimonyIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+38 more

BBIX, LLC

Boston, MA

Trusted Design and Engineering Solutions for Federal Projects

WebsitePhone3 offices1 credentialsUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: New construction designService: Building renovation and rehabilitationIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+29 more

Baker Engineering

Nunica, MI

Driving the Future: Fueled by Excellence, Inspired by Innovation

WebsitePhone2 offices3 projects8 leaders6 credentialsFounded 1965

Project: Air Force SBIR - Baker Micro CI Fuel Injection System

Service: Engineered SolutionsService: Combustion Engine Design & TestingService: Propulsion Systems DevelopmentIndustry: DefenseIndustry: AerospaceType: Mechanical Engineering+18 more

Bowen Engineering

Indianapolis, IN

Bowen Engineering is a self-performing general contractor and EPC firm headquartered in Indianapolis, Indiana, that delivers water, wastewater, energy, and industrial construction projects nationwide. With operation centers across the country and a staff of degreed engineers paired with experienced craft, Bowen has constructed over 1,000 treatment facilities and is a recognized leader in PFAS, PFOS, and PFOA constituent removal.

WebsitePhone8 offices5 leaders4 credentialsUpdated Jun 2026

Service detail: EPC / Design-Build

Service: EPC / Design-BuildService: Self-Perform ConstructionService: Site WorkIndustry: Water SupplyIndustry: WastewaterType: EPC+8 more

Brown Technologies Incorporated

Huntsville, AL

Precision. Integrity. Impact.

WebsitePhone1 office1 projects2 leaders2 credentialsFounded 2013

Project: Universal Music Group AI Applications

Service: Cybersecurity ServicesService: NIST Compliance AssessmentService: Gap AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more

Building Energy Solutions Provider LLC

Tempe, AZ

Energy Engineering Service Provider

WebsitePhone1 office1 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Energy and Water Audits

Service: Energy and Water AuditsService: Building Systems OptimizationService: Building Operational Usage AnalysisIndustry: EducationIndustry: GovernmentType: Mechanical Engineering+24 more

CAT Technologies, LLC

Willoughby, OH

Turnkey Industrial Dust Collection and Vacuum Systems

WebsitePhone1 officeUpdated Jun 2026

Service detail: Air Pollution Control and Environmental Systems

Service: Air Pollution Control and Environmental SystemsService: Industrial Dust Collection SystemsService: Air Filtration and Mist EliminationIndustry: MetalsIndustry: ManufacturingType: Process Engineering+24 more

CEG Solutions

Arlington, VA

Tailoring Energy Infrastructure for Your Complex Operations

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Energy Savings Performance Contracting (ESPC)

Service: Energy Savings Performance Contracting (ESPC)Service: Deep Energy RetrofitService: Energy Audits & Facility AssessmentIndustry: FederalIndustry: HealthcareType: Mechanical Engineering+24 more

CMTA

Louisville, KY

Building Science Leadership

Website49 offices2 projects3 leaders6 credentialsFounded 1969Size Estimate: 1,560 employees

Project: CMTA Corporate Headquarters Building 2

Service: Consulting EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: ManufacturingIndustry: AviationType: MEP+30 more

Campbell Technical Services

Twin Falls, ID

Campbell Technical Services (CTS) is a licensed, bonded, and insured consulting and contracting firm based in Twin Falls, Idaho, providing operations improvement, energy efficiency, process engineering, and project management solutions worldwide since 2005. CTS holds state contractor licenses in Idaho, Nevada, Montana, North Dakota, Washington, and Oregon, and operates a certified panel shop accredited by Intertek ETL for C/US compliance.

WebsitePhone1 office10 credentialsFounded 2005Updated Jun 2026

Service detail: Operations Improvement Consulting

Service: Operations Improvement ConsultingService: Energy Efficiency Through Process OptimizationService: Process Improvement ConsultingIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+7 more

Cape Design Engineering Co.

Melbourne, FL

From design to delivery, we're committed to your success.

WebsitePhone1 office2 projects2 leaders1 credentialsFounded 1997

Project: Health Sciences Building - Eastern Florida State College

Service: ConstructionService: Pre-ConstructionService: Construction AdministrationIndustry: AviationIndustry: CommercialType: Aerospace Engineering+32 more

Casey Corp Defense LLC

Tulsa, OK

Mission Critical UxS Integration

WebsitePhone1 office4 projects5 leaders6 credentialsUpdated Jun 2026

Project: Army Short Range Recon (SRR) Integration

Service: RF & Telemetry IntegrationService: UxS Advanced Telemetry & RF IntegrationService: GCS Advanced Telemetry & RF IntegrationIndustry: DefenseType: Defense Engineering+17 more

Crucible Engineering LLC

Practical Design Solutions. Immersive Project Management. Emergency Project Correction.

Website2 projects15 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Northline Seafoods Fish Freezer Tender HANNAH

Service: Marine General ContractingService: Project PlanningService: Subcontractor ManagementIndustry: MarineIndustry: DefenseType: Marine Engineering+11 more