Public engineering firm directory

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enVErgie Consulting, LLC

Washington, DC

enVErgie consulting, LLC provides professional consulting services for the building architectural and engineering community. It focuses on equipping project teams with tools to deliver sustainable, energy-efficient, functional, and economical designs.

Website1 officeUpdated Jun 2026
Service: Sustainable DesignService: Value EngineeringIndustry: FederalType: Owner's Engineer+12 more

engNovex, Inc.

Dover, DE

Innovative Solutions to Challenging Structural Engineering Problems

WebsitePhone2 officesUpdated Jun 2026
Service: Structural Engineering for Power & Industrial FacilitiesService: Structural Steel DesignIndustry: Power GenerationType: Structural Engineering+35 more

exp Federal Inc.

Chicago, IL

Architecture + Engineering | Construction | Mission Support

Website5 offices9 projects1 credentials
Service: ArchitectureService: Master PlanningIndustry: DefenseType: Architecture & Engineering+47 more

i3NGINEERING, Inc.

Honolulu, HI

Inspiration + Integrity + Innovation

WebsitePhone1 office4 projects
Service: Structural Design and AnalysisService: Building Structural DesignIndustry: ResidentialType: Structural Engineering+20 more

iAssociates

Alameda, CA

San Francisco Bay Area Structural Engineers

Website1 office1 leadersFounded 2005
Service: Structural EngineeringService: Structural Design for New ConstructionIndustry: ResidentialType: Structural Engineering+5 more

iCivil Inc.

Timonium, MD

Innovative Civil Solutions

WebsitePhone1 office4 projects
Service: Civil EngineeringService: Construction ManagementIndustry: InfrastructureType: Civil Engineering+21 more

iDesign Engineering Inc.

Beltsville, MD

Knowledge. Dedication. Reliability.

WebsitePhone2 offices24 projects
Service: Water Resources EngineeringService: Low-Impact Development and ESDIndustry: Highways & RoadsType: Civil Engineering+35 more

iFactor

iFactor is a boutique MEP engineering and commissioning firm that specializes in consulting, engineering, and design services for complex facilities. With over 15 years in business across three offices, iFactor's engineers have designed more than 55 million square feet of mission-critical space and completed more than 145 LEED-certified projects for Fortune 500 clients in healthcare, critical facilities, retail, entertainment, defense, and science and technology sectors. iFactor has master-planned over $10 billion worth of infrastructure construction and upgrades, and its certified commissioning agents establish pre- and post-occupancy procedures to ensure systems perform throughout their life cycle.

Website8 credentialsUpdated Jun 2026
Service: MEP EngineeringService: Commissioning ServicesIndustry: HealthcareType: MEP+10 more

iGET Services LLC

Houston, TX

With Professional Excellence!

WebsitePhone1 office8 credentials
Service: Buildings and Facilities DesignService: Disaster Resistant Home DesignIndustry: GovernmentType: Architecture & Engineering+27 more

infraTECH Engineers & Innovators, LLC

Houston, TX

Designing Infrastructure, Redefining Horizons

WebsitePhone2 offices6 projects
Service: Roadway & CivilService: Roadway Schematic DevelopmentIndustry: Highways & RoadsType: Civil Engineering+36 more

iroquoiSystems, Inc.

Huntsville, AL

Creating innovative technologies today for the business environments of tomorrow.

Website1 officeUpdated Jun 2026
Service: Commercial Software DevelopmentIndustry: GovernmentType: Software Engineering+2 more

kw systems LLC

kw systems LLC provides engineering services specializing in technology systems design, build, and construction administration. It delivers integrated solutions for network infrastructure, security, audio-visual, and smart building automation systems.

WebsiteUpdated Jun 2026
Service: Technology Systems DesignService: Network InfrastructureIndustry: CommercialType: Electrical Engineering+8 more

ms consultants, inc.

Engineers, Architects, Planners

Website6 projects4 credentialsUpdated Jun 2026
Service: Transportation EngineeringService: Roadway and traffic designIndustry: TransportationType: Architecture & Engineering+40 more

nStone Corporation

Albuquerque, NM

Innovative Engineering Solutions & Project Management

WebsitePhone1 office3 leaders
Service: Operations & Facility ManagementService: Strategic decision analysisIndustry: GovernmentType: Environmental Engineering+49 more

onBoresight Research LLC

Lihue, HI

onBoresight Research LLC is an engineering services organization headquartered in Lihue, Hawaii, providing systems engineering, cybersecurity, hardware modernization, and software development for government test ranges and forward-deployed defense assets. Its technical staff includes electrical, mechanical, and civil engineers, as well as architects with expertise in radar systems, RMF cybersecurity accreditation, FPGA integration, and model-based systems engineering. The organization supports mission planning, operations and maintenance, system performance evaluation, and radar operator training specific to MIT Lincoln Laboratory ROSA and WB-COSIP radar systems.

WebsitePhone1 officeSize Estimate: 1-5 employees
Service: RMF CybersecurityService: System Architecture RestructuringIndustry: GovernmentType: Defense Engineering+32 more

proHNS LLC

Juneau, AK

Alaska Civil Engineering

WebsitePhone4 offices3 projects
Service: Civil EngineeringService: Civil Engineering Design For RoadsIndustry: GovernmentType: Civil Engineering+8 more

saam architecture, LLC

Boston, MA

A progressive approach to the practice of architecture.

WebsitePhone4 offices8 projects
Service: Aviation Facility ArchitectureService: Terminal Design and RenovationIndustry: AviationType: Architecture & Engineering+25 more

schlaich bergermann partner

Stuttgart, NY

We design outstanding projects

Website9 officesFounded 1980Updated Jun 2026
Service: Structural Design and EngineeringService: Lightweight StructuresIndustry: BridgesType: Structural Engineering+10 more

schlaich bergermann partner (sbp)

Stuttgart, NY

We design outstanding projects

Website9 offices8 projects6 leaders
Service: Structural Design & EngineeringService: Long-Span Roof StructuresIndustry: Sports & RecreationType: Structural Engineering+28 more

tQ Automation, LLC

Houston, TX

Field service engineering, control systems, and digital oilfield solutions

WebsitePhone1 office3 projects
Service: Engineering ConsultingService: Control System DesignIndustry: Oil & GasType: Automation & Controls+20 more

thyssenkrupp nucera

Dortmund, TX

We Shape the New Era

WebsitePhone10 offices3 projects
Service: Alkaline Water Electrolysis (Green Hydrogen)Service: Electrolyzer Engineering and SupplyIndustry: Renewable EnergyType: EPC+20 more

vigilant.engineering

Seattle, WA

Many engineering firms build hardware. We build operational impact.

Website1 office2 leadersFounded 2025
Service: Concept & Architecture DevelopmentService: Concept DevelopmentIndustry: DefenseType: Electrical Engineering+34 more

Áreté Forensics, PLLC

Orlando, FL

Bringing the Facts to Light

WebsitePhone1 office4 leaders
Service: Forensic EngineeringService: Accident ReconstructionIndustry: LegalType: Civil Engineering+15 more