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

4D Systems

Flint, MI

The future of manufacturing is digital. Are you ready?

WebsitePhone3 offices5 credentialsFounded 2010Updated Jun 2026

Service detail: Controls Engineering

Service: Controls EngineeringService: Control System IntegrationService: Manufacturing Controls SupportIndustry: ManufacturingIndustry: AutomotiveType: Automation & Controls+23 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

AGRA Industries, Inc.

Merrill, WI

Design-build general contractor, steel fabricator, and equipment manufacturer for industrial agricultural facilities.

WebsitePhone1 office1 credentialsFounded 1962Updated Jun 2026

Service detail: Design and Engineering

Service: Design and EngineeringService: EPCM and Design-Build DeliveryService: Scheduling & ProcurementIndustry: AgricultureIndustry: Food & BeverageType: Industrial Engineering+22 more

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more

ASI Industrial

Billings, MT

Build On Our Experience

Website1 office1 projectsUpdated Jun 2026

Project: KSU Grain Science Project

Service: Engineering & DesignService: Process EngineeringService: Civil Engineering & DraftingIndustry: AgricultureIndustry: IndustrialType: Process Engineering+14 more

ASR Engineering Inc.

Portland, ME

Precision Industrial Control and Automation Engineering

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Industrial Control Automation Engineering

Service: Industrial Control Automation EngineeringService: PLC and PAC ProgrammingService: HMI DevelopmentIndustry: Food & BeverageIndustry: Renewable EnergyType: Automation & Controls+26 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

Advantic LLC

Miamisburg, OH

Advantic LLC is a structural design-build firm based in Miamisburg, Ohio, delivering turnkey structural systems that integrate advanced composite materials with in-house fabrication and installation. Advantic specializes in lightweight fiber-reinforced polymer (FRP) and multi-material structural solutions for data center, industrial, edge computing, and AI infrastructure clients, and holds 50-state PE stamping capabilities.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Design

Service: Structural DesignService: Engineer of Record ServicesService: BIM and 3D ModelingIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Structural Engineering+11 more

Aeronautix

Wichita, KS

Aircraft Modification, Certification & Engineering Services

WebsitePhone1 office10 projectsFounded 2006Updated Jun 2026

Project: Supervan 900 Engine Conversion

Service: FAA ODA ServicesService: Turnkey STC approvalsService: STC project managementIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+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

Asset Environments

Omaha, NE

Building+Business Solutions

WebsitePhone1 office17 projects6 leaders8 credentialsSize Estimate: 1-10 employees

Project: 730 3rd Avenue C-PACE Study

Service: Financial SolutionsService: PACE Financing StudiesService: 45L Tax Credit CertificationIndustry: CommercialIndustry: HospitalityType: Design-Build+15 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

Autologic LLC

North Chesterfield, VA

Electrical and Controls Engineering, Design, & Programming Services

WebsitePhone2 offices4 projects5 leaders2 credentialsFounded 2001

Project: Fiberight BioFuel Recycling Facility - Turnkey Control System

Service: Electrical and Controls EngineeringService: Electrical DesignService: Control Panel DesignIndustry: MiningIndustry: Power GenerationType: Automation & Controls+45 more

B2Q Associates

Andover, MA

Better Buildings. Impactful Results.

WebsitePhone1 office8 projects7 leaders4 credentialsFounded 2002

Project: Isenberg School of Management Addition

Service: Building DecarbonizationService: Carbon neutrality and net-zero designService: Electrification feasibility and designIndustry: EducationIndustry: LaboratoriesType: MEP+40 more

BIOFerm Energy

Madison, WI

Your Renewable Energy Partner

WebsitePhone1 office4 projectsFounded 2007Updated Jun 2026

Project: Rosendale Dairy Anaerobic Digester

Service: Anaerobic Digestion SystemsService: CSTR DigesterService: Dry Fermentation SystemIndustry: AgricultureIndustry: WastewaterType: Process Engineering+12 more

BLT Engineering

Custom Solutions for Sensor Applications and Electro-Mechanical Systems

Website5 projectsUpdated Jun 2026

Project: Orbcomm GPS Satellite Electro-Mechanical Packaging

Service: Engineering DesignService: Electro-Mechanical DesignService: CAD and 3D ModelingIndustry: AerospaceIndustry: DefenseType: Automation & Controls+38 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

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

Bromgrove

Brighton, GA

Providing Engineering, Procurement, Construction and Management solutions globally

Website3 offices3 projects1 leadersFounded 2010Size Estimate: 45 employeesUpdated Jun 2026

Project: WEXMAC 2.0

Service: Engineering ManagementService: International Standards and Code ComplianceService: PEB/LEB Structures with In-House MICC ABMIndustry: FederalIndustry: DefenseType: Civil Engineering+80 more

Burgess & Niple, Inc.

Trusted. Timeless.

Website3 projects2 credentials3 publicationsUpdated Jun 2026

Project: Delaware East Olentangy Trunk Sewer Study

Service: ArchitectureService: Architectural DesignService: Interior DesignIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+66 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

CH4 Systems

Sustainable Engineering Solutions

WebsiteUpdated Jun 2026

Service detail: EPC Services

Service: EPC ServicesService: Engineering & FeasibilityService: Procurement & LogisticsIndustry: Oil & GasIndustry: Renewable EnergyType: EPC+15 more

CLP Engineering

Denver, CO

Planning and design with O&M in mind

WebsitePhone1 office8 projects11 leaders1 credentialsUpdated Jun 2026

Project: APG Electrical Distribution System Infrastructure Upgrade

Service: MicrogridsService: Microgrid Systems IntegrationService: Planning and Energy AnalysisIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more