Public engineering firm directory

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Arthur Engineering Services, LLC

Laurel, MD

Arthur Engineering Services (AES) is a Laurel, Maryland-based practice specializing in condition assessment of water and sewer infrastructure. AES performs closed-circuit television inspections, sewer system evaluation studies, infiltration and inflow investigations, flow monitoring, hydrant and valve testing, and GIS/GPS asset surveys for municipal clients. Its field teams hold NASSCO PACP/MACP/LACP certifications and deliver large-scale cleaning and inspection contracts for DC Water, the City of Baltimore, and WSSC across hundreds of thousands of linear feet of sanitary sewer and stormwater infrastructure.

WebsitePhone1 office4 projects7 credentialsFounded 2016Updated Jun 2026

Project: DC Water Sewer System Evaluation Study (SSES) - Phase I Nicholson Street Area

Service: Sewer and Water System InspectionService: Closed Circuit Television (CCTV) InspectionsService: Lateral InspectionsIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+18 more

CSI Engineering

Laurel, MD

Common Sense In Engineering

Website2 offices4 leadersFounded 1987Size Estimate: 10-50 employeesUpdated Jun 2026

Service detail: MEP Engineering Design

Service: MEP Engineering DesignService: Mechanical EngineeringService: HVAC DesignIndustry: FederalIndustry: GovernmentType: MEP+34 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

EBA Engineering, Inc.

Laurel, MD

Results With No Excuses

WebsitePhone5 offices3 projects1 credentialsFounded 1981Updated Jun 2026

Project: HSWA Non-Revenue Water Tracking Project

Service: Civil / Site EngineeringService: Environmental EngineeringService: Geotechnical EngineeringIndustry: GovernmentIndustry: FederalType: Civil Engineering+27 more

Embedded Flight Systems, Inc.

Laurel, MD

Embedded Flight Systems, Inc. (EFSI) is a Laurel, Maryland software and systems engineering firm that builds, certifies, and operates mission-critical flight software and ground systems for NASA and NOAA. Founded in 2002, EFSI has supported more than 20 NASA missions at Goddard Space Flight Center over 25 years, including JWST, Hubble, Roman Space Telescope, PACE, GOES-R/GeoXO, JPSS, LRO, MMS, and GPM. It provides end-to-end mission software capability covering flight software development, ground system operations, systems engineering, spacecraft simulation, IT security, and safety and mission assurance. EFSI employs approximately 50 engineers and staff and holds a Top Secret Facilities Clearance.

WebsitePhone1 office5 credentialsFounded 2002Size Estimate: 50 employeesUpdated Jun 2026

Service detail: Flight Software

Service: Flight SoftwareService: Ground SystemsService: Systems EngineeringIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+20 more

Engineering, Systems Support & Integration, LLC

Laurel, MD

Global Engineering Support, Any Place, Any Time!

WebsitePhone1 office1 leaders2 credentialsUpdated Jun 2026

Service detail: Engineering and System Design

Service: Engineering and System DesignService: Communications-Electronic DevelopmentService: Systems Integration and DeploymentIndustry: TelecommunicationsType: Telecom / RF Engineering+5 more

Geo-Technology Associates, Inc.

Laurel, MD

Growing Together To Enhance Our Built Environment

WebsitePhone28 offices5 projectsSize Estimate: 600 employeesUpdated Jun 2026

Project: Ewing Town Center

Service: Geotechnical ServicesService: Construction ServicesService: High-Rise Building ConstructionIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+13 more

Kim Engineering, Inc.

Laurel, MD

Engineering the future.

WebsitePhone2 offices9 projects7 leaders7 credentialsFounded 1993

Project: Smithsonian Pod 6

Service: Geotechnical EngineeringService: Provides Comprehensive Geotechnical Engineering InvestigationsService: Foundation EvaluationIndustry: GovernmentIndustry: FederalType: Geotechnical Engineering+33 more

M.A. + Associates, LLC

Laurel, MD

Committed to Quality While Striving for Excellence

WebsitePhone1 office21 projects2 leaders3 credentialsFounded 2000

Project: Ft. Bliss Replacement Hospital

Service: Cost Control & EstimatingService: Conceptual Design EstimatingService: Cost Engineering & Economic AnalysisIndustry: FederalIndustry: DefenseType: Owner's Engineer+23 more

MetaTech Consulting, Inc.

Laurel, MD

Engineering Excellence for Challenging Domains

WebsitePhone1 office3 projectsFounded 2002Updated Jun 2026

Project: Enterprise System Engineering and Architecture (ESEA) II

Service: Systems EngineeringService: Model-Based Systems EngineeringService: Enterprise ArchitectureIndustry: FederalIndustry: DefenseType: Simulation Engineering+19 more

Morris & Ritchie Associates, Inc.

Abingdon, MD

Architecture - Engineering - Planning

Website10 offices6 leadersFounded 1979Size Estimate: 225 employeesUpdated Jun 2026
Service: Architecture / Interior DesignService: Civil / Site / Utility EngineeringService: Homebuilder ServicesIndustry: CommercialIndustry: ResidentialType: Architecture & Engineering+14 more

Relative Dynamics Inc.

Laurel, MD

(Re)Think Space.

WebsitePhone1 office5 projects6 leaders5 credentialsFounded 2011

Project: NASA 2025 Phase 1 STTR - High-Speed Photonic Integrated Analyzer

Service: Satellite CommunicationsService: Optical Laser Communications Systems DesignService: RF Communications Systems DesignIndustry: SpaceIndustry: DefenseType: Aerospace Engineering+35 more