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.

Filters2

Allied Companies L L C

Washington, DC

Program Integration for Complex Infrastructure at Scale.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Environmental Consulting

Service: Environmental ConsultingService: Addressing Regulatory RequirementsService: Sustainability Challenges To Mitigate ImpactIndustry: WastewaterIndustry: Water SupplyType: Environmental Engineering+26 more

C2PM

Los Angeles, CA

Program & Construction Managers

WebsitePhone5 officesFounded 2002Updated Jun 2026

Service detail: Program Management

Service: Program ManagementService: Project ManagementService: Construction ManagementIndustry: TransportationIndustry: AviationType: Aviation Engineering+33 more

CSA Group

San Juan, PR

Full-Service Project Delivery and Program Management

WebsitePhone8 offices5 projects5 leaders4 credentialsSize Estimate: 50-199 employees

Project: PR-52 Congestion Management Project

Service: Program & Construction ManagementService: Program ManagementService: Construction ManagementIndustry: AirportsIndustry: CommercialType: Architecture & Engineering+37 more

Delon Hampton & Associates, Chartered

Washington, DC

Engineering is our practice. Commitment to excellence is our passion.

WebsitePhone5 offices10 projects8 leaders12 credentialsFounded 1973

Project: DC Water Clean Rivers

Service: Civil EngineeringService: Site Design and FeasibilityService: Infrastructure Evaluation and DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+27 more

Drm International Inc

Radnor, PA

Proven. Driven. Visionary.

Website2 offices1 leaders2 credentialsFounded 2000Updated Jun 2026

Service detail: Construction Management

Service: Program ManagementService: Construction ManagementService: Construction AdministrationIndustry: RailIndustry: TransitType: Architecture & Engineering+20 more

EPCM Inc.

Burke, VA

Quality and client satisfaction with innovation and credibility.

WebsitePhone2 offices3 projects3 leaders2 credentialsFounded 1998

Project: Main Process Train

Service: Electrical EngineeringService: Power Distribution and GenerationService: Lighting DesignIndustry: CommercialIndustry: GovernmentType: Electrical Engineering+35 more

Foxxstem

Washington, DC

Building people. Elevating communities. Engineering solutions.

Website1 office15 projects1 leaders1 credentialsUpdated Jun 2026

Project: Broad Branch Stormwater Retrofit

Service: Civil Engineering DesignService: Stormwater Retrofit and DrainageService: Transportation Infrastructure DesignIndustry: TransportationIndustry: Water ResourcesType: Civil Engineering+21 more

Global Engineering & Management Services, Inc.

Washington, DC

GEMS Inc. provides client-centered engineering, program management, and administrative solutions that integrate, unify, streamline, and manage complex technical programs. Headquartered in Washington, DC, GEMS supports federal government agencies and commercial organizations with engineering support, program integration, and administrative services. It has over 25 years of experience supporting major aviation programs including FAA NextGen initiatives.

WebsitePhone1 officeFounded 1996Updated Jun 2026

Service detail: Engineering Support

Service: Engineering SupportService: Program ManagementService: Administrative SolutionsIndustry: GovernmentIndustry: FederalType: Civil Engineering+1 more

Globetrotters Engineering Corporation

Chicago, IL

Architecture, Engineering, Technology

WebsitePhone3 offices9 projects6 leaders10 credentialsFounded 1974

Project: O'Hare International Airport Terminal 5

Service: ArchitectureService: Condition AssessmentService: Spatial and Building DesignIndustry: TransitIndustry: TransportationType: Architecture & Engineering+48 more

Isys Incorporated

Littleton, CO

Delivering Technology and Engineering Services to Government Customers

WebsitePhone3 offices3 projects1 leaders14 credentialsFounded 2002

Project: COOL-R Program Support

Service: CybersecurityService: Vulnerability Assessments & Risk MitigationService: Compliance & Security IntegrationIndustry: SpaceIndustry: DefenseType: Software Engineering+16 more

Kramer Consulting Services, Inc.

Washington, DC

The Power of an Advocate by Your Side.

WebsitePhone1 office8 projects6 leaders1 credentialsFounded 1994

Project: Reservoir Park Recreation Center

Service: Owner's Representation & AdvisoryService: Procurement ManagementService: Risk ManagementIndustry: GovernmentIndustry: EducationType: Owner's Engineer+31 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

Marine Design Dynamics, Inc.

Washington, DC

Marine Design Dynamics, Inc. (MDD) is a Washington, D.C.-based naval architecture and marine engineering firm founded in 2005 to provide engineering and program management services to the US Navy, Department of Defense, and commercial clients. MDD specializes in the design of advanced vessels and marine systems and supports every phase of design development from initial concept and CONOPS generation through detail design, production, testing, and evaluation. Its integrated team of naval architects, marine engineers, electrical and mechanical engineers, systems engineers, physicists, and ocean engineers is particularly known for innovative solutions supporting NAVSEA, the Military Sealift Command, and the US Marine Corps.

WebsitePhone1 officeFounded 2005Updated Jun 2026

Service detail: Naval Architecture and Marine Engineering

Service: Naval Architecture and Marine EngineeringService: Ship Modification and RepairService: Program ManagementIndustry: DefenseIndustry: MarineType: Naval Architecture+7 more

Pacific Aerospace Consulting Inc

San Diego, CA

Innovative Independent Professional Solutions

Website6 offices4 leaders1 credentialsFounded 2004Updated Jun 2026

Service detail: Aerospace Acquisition and Sustainment

Service: Aerospace Acquisition and SustainmentService: Acquisition Strategies and Management SupportService: Program ManagementIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+29 more

Regulus Group, LLC

Woodstock, VA

Engineering the skies.

WebsitePhone4 offices10 leadersFounded 2002Size Estimate: 200 employeesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Surveillance SystemsService: Risk and Safety AssessmentIndustry: AviationIndustry: FederalType: Aviation Engineering+8 more

Somat Engineering, Inc.

Detroit, MI

Infrastructure Engineering Solutions

WebsitePhone8 offices8 projects2 leaders7 credentialsFounded 1986

Project: M-1 Rail (QLine)

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Foundation DesignIndustry: TransportationIndustry: Highways & RoadsType: Geotechnical Engineering+49 more