Public engineering firm directory

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ARCHÉ Consulting Group, LLC

Springfield, VA

The Best Team for Project Success

WebsitePhone2 offices1 leadersFounded 2017Updated Jun 2026

Service detail: Program and Project Management

Service: Program and Project ManagementService: Construction ManagementService: Architecture and EngineeringIndustry: GovernmentIndustry: FederalType: Owner's Engineer+31 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

ARRO Consulting, Inc.

Lititz, PA

Your trusted partner for municipal engineering.

WebsitePhone13 offices8 projects4 leadersFounded 1946Size Estimate: 100-300 employees

Project: Upper Uwchlan Township Municipal Authority Administrator

Service: Civil & MunicipalService: Appointed Engineer representationService: Roadway and Infrastructure RehabilitationIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+50 more

Accura Engineering and Consulting Services, Inc.

Atlanta, GA

Providing comprehensive engineering, construction, and construction management services.

WebsitePhone3 offices8 leadersFounded 2003Size Estimate: 120 employeesUpdated Jun 2026

Service detail: Federal Services

Service: Federal ServicesService: Defense Program SupportService: Civilian Agency SupportIndustry: FederalIndustry: DefenseType: Civil Engineering+30 more

Adams Environmental Engineering Group, LLC

Pasadena, MD

Adams Environmental Engineering Group (AEEG) is a full-service environmental engineering and contracting firm based in the Mid-Atlantic region, providing consulting, design, remediation, and site assessment services for commercial, industrial, and residential clients. AEEG holds Professional Engineering licenses in Maryland, the District of Columbia, Virginia, and 11 additional states, bringing more than 20 years of experience to environmental projects throughout the region.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Environmental Site Assessments

Service: Environmental Site AssessmentsService: Phase I environmental site assessmentsService: Phase II environmental site assessmentsIndustry: Environmental & RemediationIndustry: CommercialType: Environmental Engineering+34 more

Avatar Technologies Inc

Greenbelt, MD

We Are Your Trusted Partner

WebsitePhone1 office3 projects1 credentialsFounded 2006Updated Jun 2026

Project: NASA KSC Concept of Operations Definition

Service: Systems EngineeringService: ModernizingService: DesigningIndustry: AviationIndustry: DefenseType: Aerospace Engineering+36 more

Bluestone Environmental Group, Inc.

Malvern, PA

Environmental Engineering & Consulting Services

WebsitePhone5 offices8 projects1 leaders2 credentialsFounded 2010

Project: Former Nebraska Ordnance Plant - Remedial Optimization and Pilot Study

Service: Remediation SolutionsService: CERCLA and RCRA InvestigationsService: Human Health and Ecological Risk AssessmentsIndustry: Environmental & RemediationIndustry: DefenseType: Environmental Engineering+18 more

Brudis & Associates, Inc.

Columbia, MD

Innovative, high quality, and responsive engineering solutions

WebsitePhone4 offices8 projects4 leaders6 credentialsFounded 1992

Project: MD 180 / MD 351 Highway Improvements

Service: Highway & PlanningService: Roadway Geometrics, Widening, Reconstruction & ImprovementsService: Streetscape DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+70 more

CES Consulting LLC

Warrenton, VA

Quality Delivered

WebsitePhone3 offices20 projects21 leadersFounded 2010Size Estimate: 180+ employees

Project: FHWA-EFLHD, Arlington Cemetery Defense Access Road

Service: Construction ManagementService: Construction InspectionService: Design-Bid-Build Program SupportIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+19 more

Carlexson Consulting LLC

Pasadena, MD

Resilient solutions for the waters we call home.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Program Management

Service: Program ManagementService: Coastal Restoration and EngineeringService: Living Shoreline DesignIndustry: Environmental & RemediationIndustry: Water ResourcesType: Coastal Engineering+12 more

CityScape Engineering, LLC

Baltimore, MD

Inspired Civil Engineering Design

WebsitePhone1 office10 leaders8 credentialsFounded 2014Size Estimate: 9 employees

Service detail: Green Infrastructure Design

Service: Green Infrastructure DesignService: Environmental Site DesignService: Low Impact DevelopmentIndustry: Parks & Open SpaceIndustry: Affordable HousingType: Civil Engineering+28 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

Compass Systems, Inc.

Lexington Park, MD

American Precision for Mission-Ready Technologies

WebsitePhone10 offices4 leaders2 credentialsFounded 1997Updated Jun 2026

Service detail: Research and Development

Service: Research and DevelopmentService: AI-Enabled Decision SupportService: Augmented Reality and TrainingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+27 more

Dalcom Engineering and Technical Services

Galena, MD

Meeting the Growing Need for Quality Engineering Services in Industrial and Government Markets

WebsitePhone1 office1 leadersFounded 1997Updated Jun 2026

Service detail: Energy Engineering

Service: Energy EngineeringService: Energy Grid AuditingService: Power Plant Operational SupportIndustry: DefenseIndustry: Electric UtilitiesType: Automation & Controls+38 more

Delta Engineers, Architects, & Surveyors

Endwell, NY

We Are Your Trusted Partner

Website5 offices3 leaders1 credentialsFounded 1976Updated Jun 2026

Service detail: Architectural and Planning Services

Service: Architectural and Planning ServicesService: Pre-Design and ProgrammingService: Master PlanningIndustry: CommercialIndustry: EducationType: Architecture & Engineering+57 more

Design Depictions Structural Engineering, P.C.

Elkridge, MD

DDSE Solves Structural Engineering and Architectural Challenges for Buildings and Structures

WebsitePhone2 offices2 leaders13 credentialsUpdated Jun 2026

Service detail: Structural Engineering Solutions

Service: Structural Engineering SolutionsService: Engineering Calculations and DesignService: Drafting and Building Information ModelingIndustry: CommercialIndustry: ResidentialType: Structural Engineering+22 more

Endesco, Inc.

Rockville, MD

Endesco, Inc. is a multi-discipline civil engineering design, consulting, and construction management firm founded in 1997 and headquartered in Rockville, Maryland. It specializes in water resources, transportation planning and traffic engineering, roadway and lighting design, environmental studies, GIS, and project and construction management, primarily serving state DOTs, transit authorities, counties, cities, and federal agencies across the Washington, DC/Baltimore metro region and beyond.

WebsitePhone2 offices6 projects9 credentialsFounded 1997Size Estimate: 5-25 employees

Project: Transform I-66 Outside the Beltway (Express Lanes), Northern Virginia

Service: Water ResourcesService: Stormwater ManagementService: Hydraulics and HydrologyIndustry: GovernmentIndustry: TransportationType: Civil Engineering+52 more

Environ-Civil Engineering, Ltd.

Columbia, MD

Quality, Integrity, Innovation, and Responsiveness

WebsitePhone3 offices6 projects3 leaders12 credentialsFounded 1992

Project: WSSC Piscataway Water Resource Recovery Facility Bio-Energy Project

Service: Water & Wastewater EngineeringService: Water supply and distribution system designService: Distribution and transmission main systemsIndustry: GovernmentIndustry: FederalType: Water / Wastewater Engineering+50 more

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more

HTii (Holmes-Tucker International, Inc.)

Lexington Park, MD

Proven Data Solutions

WebsitePhone1 officeFounded 1989Updated Jun 2026

Service detail: Information Systems Development

Service: Information Systems DevelopmentService: Requirements ManagementService: Model-Based Systems EngineeringIndustry: DefenseIndustry: FederalType: Software Engineering+9 more

Hayat Brown LLC

Washington, DC

Experience. Precision. Integrity. Delivered

WebsitePhone5 offices5 projects6 leadersUpdated Jun 2026

Project: DC Power Line Undergrounding (DC PLUG)

Service: Engineering ServicesService: Design & EngineeringService: Construction Management & InspectionIndustry: GovernmentIndustry: FederalType: Civil Engineering+15 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

Infinite Focus, LLC

Glen Burnie, MD

Infinite Focus, LLC is a general contracting and design/build construction firm established in 2012. The practice delivers construction management, general contracting, architectural and engineering design, commissioning, and related services for both planned and unplanned projects, with staff skilled in mechanical, electrical, and plumbing systems. Completed work includes commercial warehouse, industrial, and religious facility projects in Maryland, Virginia, Washington DC, and North Carolina.

WebsitePhone1 office5 projects1 leadersFounded 2012Updated Jun 2026

Project: Gainesville Commerce Center

Service: Construction ManagementService: Construction SchedulingService: Critical Path Method AnalysisIndustry: CommercialIndustry: IndustrialType: Design-Build+18 more

Infrastructure Technologies, LLC

Marriottsville, MD

Founded In Construction, Advancing Engineering

WebsitePhone1 office13 projects9 leadersFounded 2004Updated Jun 2026

Project: I-495/I-270 Traffic Relief Program - ICE Cost Manager

Service: Cost EstimatingService: Independent Cost Estimates (ICE)Service: Bid Review & Bid JustificationIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+31 more