Public engineering firm directory

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ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more

Delta Engineering Group LLC

Building What Matters

Website11 projects10 leaders6 credentialsUpdated Jun 2026

Project: Gulu-Nimule Highway Upgrade

Service: Engineering Design ServicesService: Civil & Transportation EngineeringService: Structural & Bridge EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+40 more

Homco Renaissance, Inc.

Columbia, MD

Reliable. Innovative. Sustainable.

WebsitePhone3 offices9 projects15 leaders15 credentialsFounded 2015

Project: NAVFAC Indian Head Facility Design

Service: Engineering DesignService: Electrical Power EngineeringService: Mechanical EngineeringIndustry: GovernmentIndustry: FederalType: MEP+36 more

INFOTRAN Engineers & Architects, PC

New York, NY

We build for the benefit of all

WebsitePhone2 offices3 projects1 leaders2 credentialsFounded 2007

Project: Culver Line CBTC System

Service: Traffic Engineering & Transportation PlanningService: Traffic Data Collection & AnalysisService: Road Safety Audits & ReviewsIndustry: BridgesIndustry: Highways & RoadsType: Architecture & Engineering+47 more

Lessani PLLC

Washington, DC

Expert Construction Management and Program Oversight

WebsitePhone1 office6 leaders2 credentialsFounded 2016Size Estimate: 1-10 employees

Service detail: Program & Construction Management (PM/CM)

Service: Program & Construction Management (PM/CM)Service: Program ManagementService: Construction ManagementIndustry: CommercialIndustry: EducationType: Civil Engineering+13 more

NBCG Consulting Group, LLC

Alexandria, VA

Intelligence Behind The Build

WebsitePhone1 office4 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Design Expertise

Service: Design ExpertiseService: Architectural PlanningService: Structural EngineeringIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+28 more

RDQ, Inc.

Denver, CO

Transmission & Distribution Lines, Delivered

WebsitePhone2 offices3 leaders1 publicationsFounded 2018Size Estimate: 10-30 employees

Service detail: Transmission Line Engineering

Service: Transmission Line EngineeringService: Structure and Foundation DesignService: Route Selection and Greenfield DesignIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+21 more

Sustainable Engineering Services, P.C.

Fort Lee, NJ

Delivering Sustainable Results

WebsitePhone1 office1 projects1 credentialsFounded 2016Updated Jun 2026

Project: LIRR Expansion Project

Service: Structural Engineering and DesignService: Structural Materials DesignService: Bridge and Culvert DesignIndustry: TransitIndustry: RailType: Structural Engineering+29 more