Public engineering firm directory

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3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

ABQ Engineering, Inc.

Albuquerque, NM

Cost-effective, one-stop engineering, surveying, and planning services

WebsitePhone1 office5 projects1 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Los Alamos County Golf Course Community Building

Service: Civil EngineeringService: Drainage and Hydrology AnalysisService: Grading and Drainage DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+38 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AES Northeast

Plattsburgh, NY

Architecture | Engineering | Surveying

WebsitePhone2 offices1 projects2 leadersFounded 1988Size Estimate: 11-50 employees

Project: Square Dashnaw Road Bridge Replacement

Service: ArchitectureService: Architectural Design & DocumentationService: Building Condition Surveys & Structural AnalysisIndustry: GovernmentIndustry: EducationType: Architecture & Engineering+27 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Planning and Permitting

Service: Planning and PermittingService: EntitlementsService: Permit ExpeditingIndustry: CommercialIndustry: RetailType: Architecture & Engineering+37 more

Above Grade Engineering

Above Grade Engineering provides civil engineering, electrical engineering, lighting design, and land surveying for commercial, residential, land development, educational, and government projects. Its services span site grading and drainage design, utility infrastructure, SWPPP documentation, public agency coordination, and a full range of surveying services including ALTA surveys, subdivision mapping, and construction staking. An in-house electrical engineering and lighting design division serves clients across the same project portfolio.

WebsiteUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Grading DesignService: Street Improvement PlansIndustry: CommercialIndustry: ResidentialType: Civil Engineering+43 more

Ac Dc Design Engineering Llc

Orlando, FL

Connecting Ideas, Delivering Solutions.

WebsitePhone1 office4 projects2 credentialsUpdated Jun 2026

Project: Secure Government-Tenant Facility MEP Renovations

Service: Mechanical EngineeringService: HVAC System DesignService: Building Automation and Environmental ControlsIndustry: Arts & CultureIndustry: DefenseType: Design-Build+25 more

Acute Solutions

Discover, Develop, Deliver

Website2 credentialsFounded 2014Updated Jun 2026

Service detail: Turnkey Product Development

Service: Turnkey Product DevelopmentService: Product DefinitionService: Robust Solution DesignIndustry: Medical DevicesIndustry: ManufacturingType: Mechanical Engineering+23 more

Advance Design Consultants Inc

San Jose, CA

Experience. Passion. Excellence.

WebsitePhone1 office7 projects2 leadersFounded 1984Updated Jun 2026

Project: BD Utility Chiller Plant (Project Granite)

Service: Architecture & PlanningService: Architectural DesignService: Architectural PlanningIndustry: CommercialIndustry: Data CentersType: Architecture & Engineering+38 more

Advanced Engineering Consultants

Columbus, OH

Advanced Engineering Consultants specializes in providing mechanical, electrical, plumbing, fire protection, technology, and utilities engineering design and construction administration services for the built environment. Established in 1998, the practice works collaboratively with owners, architects, and contractors across the Midwest, the nation, and globally. It has completed nearly 2,000 projects across diverse sectors including government, healthcare, education, and commercial markets.

WebsitePhone4 offices6 projects7 leaders14 credentialsFounded 1998

Project: Columbus Division of Police Crime Laboratory Renovation

Service: Mechanical EngineeringService: HVAC Design and UpgradesService: Electrical EngineeringIndustry: FederalIndustry: GovernmentType: MEP+23 more

Advanced Integration Group, Inc.

McKees Rocks, PA

Be in Control.

WebsitePhone1 office2 projects5 credentialsUpdated Jun 2026

Project: Lock and Dam Control Systems - Ohio River

Service: Control Systems Design and ImplementationService: PLC ProgrammingService: SCADA DevelopmentIndustry: Power GenerationIndustry: ManufacturingType: Automation & Controls+37 more

Ahavah Automation

Dallas, TX

Turnkey Installation & System Integration

WebsitePhone1 office7 projects4 leadersFounded 2009Updated Jun 2026

Project: Amazon Warehouse Automation & Conveyor System Installation

Service: Electrical EngineeringService: Electrical DesignService: Panel FabricationIndustry: ManufacturingIndustry: IndustrialType: Automation & Controls+25 more

All City Engineering, P.C.

New York, NY

MEP Engineering Design Services

Website2 offices2 leadersFounded 2011Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Design and CalculationsService: Bathroom and Kitchen Exhaust SystemsIndustry: ResidentialIndustry: CommercialType: MEP+22 more

All-Phase Power, LLC

Medina, OH

Powering Your Future

WebsitePhone2 offices2 leadersUpdated Jun 2026

Service detail: Electrical Contracting

Service: Electrical ContractingService: Residential Electrical ServicesService: Commercial Electrical ServicesIndustry: CommercialIndustry: ResidentialType: Electrical Engineering+12 more

Alliance Automation & Control, Inc.

Rogersville, AL

No project too large, no requirement too detailed.

WebsitePhone1 office1 credentialsFounded 2000Updated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Electrical DesignService: Automation & ControlsIndustry: AutomotiveIndustry: ChemicalsType: Automation & Controls+12 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 more

Altieri Sebor Wieber, LLC

Wilton, CT

Making Bold Visions Work

WebsitePhone2 offices5 projects1 leaders2 credentialsUpdated Jun 2026

Project: David Rockefeller Creative Arts Center

Service: MEPF EngineeringService: Mechanical EngineeringService: Building Automation and Energy ManagementIndustry: Arts & CultureIndustry: EducationType: MEP+56 more

Amodu Engineering Solutions, LLC

St. Louis, MO

Building Relationships through Affordable Engineering Excellence

WebsitePhone1 office1 leaders17 credentialsFounded 2007Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Load Calculation ServicesService: Energy Modeling and AnalysisIndustry: HealthcareIndustry: EducationType: MEP+27 more

Apex Engineering Corporation

Centreville, MS

Consulting Engineers

WebsitePhone1 office3 projects2 leaders4 credentialsFounded 1997

Project: Highway 61 and Liberty Road Lighting Project

Service: Electrical EngineeringService: Electrical Power DistributionService: Lighting SystemsIndustry: CommercialIndustry: RetailType: Electrical Engineering+26 more

Ariquest, LLC

San Antonio, TX

Preparing the Future

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Signal and Image ProcessingService: PCB and Circuit DesignIndustry: ElectronicsType: Electrical Engineering+1 more

Arseal Technologies, Inc.

Let's Engineer the Future

Website7 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Architectural DesignService: Site Planning and DesignIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+24 more