Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Filters1

AK Consulting Services, Inc.

Jackson Heights, NY

Multidisciplinary Engineering, Special Inspections & Expediting Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Design and AnalysisService: Cast-in-Place ConcreteIndustry: CommercialIndustry: RetailType: MEP+81 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

AZA Engineering

New York, NY

Build better. Design right.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical Engineering Design

Service: Mechanical Engineering DesignService: HVAC and Climate Control SystemsService: Commercial Kitchen VentilationIndustry: ResidentialIndustry: CommercialType: MEP+30 more

Adacel Systems, Inc.

Orlando, FL

Adacel Systems, Inc. supports aviation and defense customers from Orlando with air traffic management, digital tower, simulation, and training technology. Adacel combines REVAL digital ATC tower consulting, system design, development, deployment, and support; Aurora air traffic management system engineering, software development, test, and verification; MaxSim air traffic control simulation; and ICE aviation phraseology training tools.

WebsitePhone1 office3 credentialsUpdated Jun 2026

Service detail: Digital ATC Tower Systems

Service: Digital ATC Tower SystemsService: Aerodrome System IntegrationService: Remote Tower ArchitectureIndustry: AviationIndustry: AirportsType: Aviation Engineering+19 more

Advanced Technology Systems Company

McLean, VA

We build solutions.

WebsitePhone5 offices3 projects8 leaders2 credentialsUpdated Jun 2026

Project: Georgia Border Surveillance Program

Service: Systems IntegrationService: Security Surveillance SystemsService: Communications SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+18 more

AlfaTech

Harmonizing Relationships, Sustainability and Innovation

Website10 projects13 leadersUpdated Jun 2026

Project: The Lucas Museum of Narrative Art

Service: MEP EngineeringService: Mechanical Engineering DesignService: Electrical Engineering DesignIndustry: CommercialIndustry: RetailType: MEP+65 more

Alico Systems, Inc.

San Diego, CA

Alico Systems is an innovative product development practice that designs solutions for consumer, industrial, government, and military markets. Its expertise spans mobile wireless computing platforms for image, voice, video, and data communications, alongside phased array beam steered antennas, RF transceivers, microprocessor and FPGA electronics, and wireless sensor networks for remote monitoring and control. Key systems include mobile satellite communications terminals, VoIP PBX systems, broadband wireless networks, and motion sensor platforms.

WebsitePhone1 office1 projects2 credentialsUpdated Jun 2026

Project: SAXBA Distributed Broadband SATCOM On-The-Move Terminal

Service: Systems EngineeringService: Communications and Network EngineeringService: Systems Integration of Mobile Wireless and Satellite NetworksIndustry: DefenseIndustry: GovernmentType: Electrical Engineering+26 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

Buffalo Engineering, P.C.

Buffalo, NY

Designing Today. Building Tomorrow.

WebsitePhone1 office7 projects7 leaders9 credentialsFounded 1990

Project: Richardson Olmsted Complex

Service: Mechanical EngineeringService: HVACService: PlumbingIndustry: HealthcareIndustry: EducationType: MEP+25 more

C3A Solutions LLC

Spring Lake, NC

Capabilities That Deliver Precision Effects

Website2 offices7 leaders13 credentialsSize Estimate: 6-25 employeesUpdated Jun 2026

Service detail: Tactical Communications

Service: Tactical CommunicationsService: P.A.C.E. Communication PlanningService: Radio Systems IntegrationIndustry: DefenseIndustry: FederalType: Defense Engineering+14 more

C6I Services Corp

The art of command balanced with the science of control.

WebsiteUpdated Jun 2026

Service detail: Command & Control Systems

Service: Command & Control SystemsService: Network SupportService: Software Sustainment ProgramsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+35 more

CI-MECH Engineering LLC

Jacksonville, FL

Civil, Mechanical, Electrical, and Plumbing Engineering Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical DesignService: Heating and Cooling Load CalculationsIndustry: ResidentialIndustry: CommercialType: MEP+39 more

Columbia Telecommunications Corporation

Bethesda, MD

Closing the digital divide

WebsitePhone1 office1 projectsUpdated Jun 2026

Project: Oregon Statewide Broadband Expansion Partnership

Service: Network Engineering & DesignService: High-Level Network DesignService: Detailed Outside Plant (OSP) EngineeringIndustry: TelecommunicationsIndustry: GovernmentType: Telecom / RF Engineering+26 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

Construction Engineering Group

Melbourne, FL

Sustainable, efficient engineering solutions designed with common-sense practices

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Melbourne City Hall

Service: Civil EngineeringService: Site Development & DesignService: Stormwater ManagementIndustry: CommercialIndustry: EducationType: Civil Engineering+30 more

D.L. Adams Associates

Denver, CO

Sound is Our Business

WebsitePhone3 offices7 projects5 leaders3 credentialsFounded 1979

Project: Waukee Performing Arts Center

Service: Acoustical ConsultingService: Architectural AcousticsService: Performing Arts AcousticsIndustry: Arts & CultureIndustry: CommercialType: Acoustic Consulting+37 more

Delta G Consulting Engineers, Inc.

Fort Lauderdale, FL

Full-service consulting engineering practice specializing in MEP, fire protection, and LEED-certified designs.

WebsitePhone2 offices2 leaders2 credentialsFounded 1992Size Estimate: 10-49 employees

Service detail: Heating, Ventilation, and Air Conditioning (HVAC)

Service: Heating, Ventilation, and Air Conditioning (HVAC)Service: Chilled Water and Condenser Water SystemsService: Constant Volume Air HandlingIndustry: HealthcareIndustry: AirportsType: MEP+99 more

Enext Wireless Inc

Lagos, MD

Engineering smarter wireless networks.

Website3 offices4 publicationsFounded 2016Updated Jun 2026

Service detail: RF and Wireless Engineering

Service: RF and Wireless EngineeringService: Private LTE DeploymentService: RF Analytics & NIWBQR BenchmarkingIndustry: HealthcareIndustry: TelecommunicationsType: Power & Utility Engineering+16 more

Engipartners, LLC

Multidisciplinary Engineering Serving the Construction Industry

WebsiteUpdated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical Systems DesignService: Electrical Systems DesignIndustry: CommercialIndustry: SolarType: MEP+9 more

Fuse Integration, Inc.

San Diego, CA

Warfighter-Focused Engineering and Design

WebsitePhone1 office4 projects3 leaders8 credentialsFounded 2010

Project: B-1B Secure Global Wideband Network Flight Demonstration

Service: Airborne NetworkingService: Virtualized Airborne Network ManagementService: Multi-Enclave NetworkingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+18 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

GStek, Inc.

Reliable, Responsive and Accountable

Website2 projects3 credentialsFounded 1992Updated Jun 2026

Project: U.S. Navy Communication and C5ISR Suite

Service: TelecommunicationsService: Network InfrastructureService: Cable Plant & SplicingIndustry: GovernmentIndustry: DefenseType: Defense Engineering+33 more

General Dynamics Mission Systems

Engineering mission-critical C4ISR solutions across land, sea, air, space, and cyber domains

Website5 projectsUpdated Jun 2026

Project: Columbia-Class Submarine Program

Service: Assured Positioning, Navigation & Timing (APNT)Service: Fight Tonight Assured PNT SystemService: MRPA Horizon-Nulling Active AntennaIndustry: DefenseIndustry: FederalType: Defense Engineering+41 more

Gillespie Prudhon Associates Inc

Clackamas, OR

Engineering Excellence Since 1980

WebsitePhone1 office5 projects1 credentialsFounded 1980Updated Jun 2026

Project: Oregon Coastal Cascade & Willamette Valley Microwave Radio Update

Service: Telecommunications EngineeringService: Transmission EngineeringService: Telecommunications TransportIndustry: FederalIndustry: GovernmentType: Civil Engineering+39 more