Public engineering firm directory

Find engineering consulting firms by capability and location.

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A.W. Schultz Inc.

Shawnee, KS

Trusted Engineering and Integration Since 1977

WebsitePhone1 office3 credentialsFounded 1977Updated Jun 2026

Service detail: Process Control and SCADA Systems

Service: Process Control and SCADA SystemsService: Process Visualization & HMI/OITService: PLC ProgrammingIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+25 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Naval Architecture and Marine Engineering

Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportService: Shipboard Systems IntegrationIndustry: AirportsIndustry: TransitType: Naval Architecture+27 more

Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects20 leaders39 credentialsFounded 1954

Project: Route 66 Bridge

Service: Civil EngineeringService: BridgesService: IntersectionsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+33 more

Automation Control Service LLC

Pensacola, FL

Control System Integrator specializing in Automation & Information Systems

WebsitePhone1 office8 credentialsFounded 2003Updated Jun 2026

Service detail: Municipal & Industrial Automation

Service: Municipal & Industrial AutomationService: PLC & HMI ProgrammingService: SCADA & DCS IntegrationIndustry: GovernmentIndustry: IndustrialType: Automation & Controls+23 more

Breault Research Organization, Inc.

Tucson, AZ

Taking Light Further

WebsitePhone1 office2 projectsFounded 1979Updated Jun 2026

Project: Hubble Space Telescope Stray Light Analysis

Service: Optical Engineering ServicesService: Stray Light AnalysisService: Illumination Systems DesignIndustry: AerospaceIndustry: DefenseType: Simulation Engineering+33 more

Comm-Ence Engineering LLC

Darien, IL

Changing Communications

Website1 office1 leaders12 credentialsUpdated Jun 2026

Service detail: Technology Engineering and Commissioning

Service: Technology Engineering and CommissioningService: Technology CommissioningService: Needs Assessments and Master PlanningIndustry: TelecommunicationsIndustry: Data CentersType: Telecom / RF Engineering+31 more

Computer Engineering Service

Glass science, infrared thermography, and high-temperature gas processing oven engineering

Website1 leaders3 credentialsFounded 1992Updated Jun 2026

Service detail: Glass and Ceramic Materials Science

Service: Glass and Ceramic Materials ScienceService: Glass Science and Materials DevelopmentService: Infrared ThermographyIndustry: SemiconductorsIndustry: Medical DevicesType: Automation & Controls+12 more

CybiTech, Inc.

Revolutionizing products and services for the future

WebsiteUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Project Planning and SchedulingService: Budgeting and Resource AllocationIndustry: FederalIndustry: GovernmentType: Software Engineering+21 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

Electric Tech Services

Windermere, FL

Smart Design. Reliable Systems. Future-Ready Engineering.

WebsitePhone1 officeFounded 2011Updated Jun 2026

Service detail: Engineering & Construction

Service: Engineering & ConstructionService: Electrical DesignService: Voice/Data/Video & Fiber Optic CablingIndustry: FederalIndustry: AerospaceType: Electrical Engineering+20 more

GL Communications Inc.

Gaithersburg, MD

GL Communications Inc. is a Gaithersburg, Maryland-based telecommunications engineering consulting firm and test equipment developer founded in 1986. It provides professional telecom engineering consulting for transit agencies, government agencies, and defense contractors, including system design, inspection, and project management for fiber optic, radio, and communications infrastructure. GL also develops and sells commercial off-the-shelf test and measurement equipment for wireless, Ethernet, optical, and TDM telecom networks worldwide.

WebsitePhone1 office12 leaders1 credentialsFounded 1986Updated Jun 2026

Service detail: Telecom Engineering Consulting

Service: Telecom Engineering ConsultingService: Communications system designService: Fiber optic design and inspectionIndustry: TelecommunicationsIndustry: TransitType: Telecom / RF Engineering+15 more

Geon Technologies

Columbia, MD

Integrity. Agility. Results.

WebsitePhone1 office5 publicationsFounded 2012Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Software-Defined Radio (SDR) Solutions

Service: Software-Defined Radio (SDR) SolutionsService: SDR System ArchitectureService: OpenCPI Platform EngineeringIndustry: DefenseIndustry: Intelligence & National SecurityType: Software Engineering+17 more

Globetrotters Engineering Corporation

Chicago, IL

Architecture, Engineering, Technology

WebsitePhone3 offices9 projects6 leaders10 credentialsFounded 1974

Project: O'Hare International Airport Terminal 5

Service: ArchitectureService: Condition AssessmentService: Spatial and Building DesignIndustry: TransitIndustry: TransportationType: Architecture & Engineering+48 more

Gress Consultancy, LLC

Wetumpka, AL

Stepping Forward with Purpose

WebsitePhone1 officeUpdated Jun 2026

Service detail: Traffic Engineering

Service: Traffic EngineeringService: Traffic Signal Warrant AnalysisService: Traffic Volume CountsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+35 more

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

HG Engineers

Fort Walton Beach, FL

Engineering for you, wherever you are

WebsitePhone3 offices4 projects4 leadersFounded 1969Size Estimate: 10-49 employees

Project: Tactical Microgrid Standard Open Architecture Design

Service: Electrical Engineering for ArchitectureService: Lighting Systems and ControlsService: Power Distribution and SystemsIndustry: DefenseIndustry: FederalType: Electrical Engineering+20 more

InteliOPT, Inc.

Superior Quality and Value Telecom & IT Services Company

WebsiteFounded 2008Updated Jun 2026

Service detail: Distributed Antenna Systems (DAS) & Small Cell Solutions

Service: Distributed Antenna Systems (DAS) & Small Cell SolutionsService: i-DAS & o-DAS Site SurveysService: System Design & IntegrationIndustry: TelecommunicationsIndustry: Public SafetyType: Telecom / RF Engineering+29 more

Intelligent Transportation Systems LLC

Prairieville, LA

Engineering a Safer and Better World.

WebsitePhone1 office4 projects1 credentialsUpdated Jun 2026

Project: Louisiana Adaptive Signal System Implementation

Service: EngineeringService: Traffic & Adaptive Signal EngineeringService: ITS Planning & Systems EngineeringIndustry: TransportationIndustry: InfrastructureType: Electrical Engineering+14 more

IronStride Solutions PC

Denver, CO

Traffic Operations and Technology-Related Transportation Solutions

WebsitePhone1 office22 projectsFounded 2019Updated Jun 2026

Project: Traffic Signal Improvements

Service: Traffic and Transportation EngineeringService: Intelligent Transportation Systems (ITS)Service: Tolling and Managed LanesIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+11 more

J&A Engineering

Atlanta, GA

Innovative audio visual, IT and security design creates value for owners and brings buildings to life for users.

Website1 office8 projects6 leaders9 credentialsSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Mercedes-Benz Stadium

Service: Network & Communications DesignService: Structured Cabling & Fiber Optic SystemsService: Infrastructure Planning & CoordinationIndustry: HealthcareIndustry: Justice & CorrectionsType: Electrical Engineering+27 more

Kapur & Associates, Inc.

Milwaukee, WI

No Job is Too Big.

Website11 offices6 projects1 leaders8 credentialsFounded 1981Updated Jun 2026

Project: I-43 North South Freeway

Service: TransportationService: PlanningService: Transportation DesignIndustry: TransportationIndustry: GovernmentType: Civil Engineering+64 more

LIN Consulting, Inc.

Diamond Bar, CA

Proven Track Record

WebsitePhone3 offices6 projects6 leaders8 credentialsFounded 1997

Project: 7th Standard Road Widening

Service: Traffic EngineeringService: Fiber Optic Communication SystemsService: Intelligent Transportation Systems (ITS)Industry: TransportationIndustry: Highways & RoadsType: Civil Engineering+27 more

LJA Program Management LLC

Houston, TX

. Client Focused.

WebsitePhone5 offices3 projects5 credentialsFounded 1972Updated Jun 2026

Project: Ranew's E-Coat Masterplan

Service: Aviation ServicesService: Civil EngineeringService: Public Infrastructure and WorksIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+75 more

Mercury Communications, LLC

Winchester, VA

Virginia's Trusted Partner for Connectivity & Communications

WebsitePhone2 offices3 credentialsUpdated Jun 2026

Service detail: Cellular DAS

Service: Cellular DASService: Commercial In-Building Cellular / DASService: Active Distributed Antenna SystemsIndustry: TelecommunicationsIndustry: CommercialType: Telecom / RF Engineering+21 more