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.

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Allied Companies L L C

Washington, DC

Program Integration for Complex Infrastructure at Scale.

Website2 offices1 leadersUpdated Jun 2026
Service: Environmental ConsultingService: Addressing Regulatory RequirementsIndustry: WastewaterType: Environmental Engineering+28 more

C2PM

Los Angeles, CA

Program & Construction Managers

WebsitePhone5 officesFounded 2002
Service: Program ManagementService: Project ManagementIndustry: TransportationType: Aviation Engineering+35 more

CSA Group

San Juan, PR

Full-Service Project Delivery and Program Management

WebsitePhone8 offices5 projects
Service: Program & Construction ManagementService: Program ManagementIndustry: AirportsType: Architecture & Engineering+39 more

Delon Hampton & Associates, Chartered

Washington, DC

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

WebsitePhone5 offices10 projects
Service: Civil EngineeringService: Site Design and FeasibilityIndustry: AviationType: Civil Engineering+29 more

Drm International Inc

Radnor, PA

Proven. Driven. Visionary.

Website2 offices1 leaders2 credentials
Service: Program ManagementService: Construction ManagementIndustry: RailType: Architecture & Engineering+22 more

EPCM Inc.

Burke, VA

Quality and client satisfaction with innovation and credibility.

WebsitePhone2 offices3 projects
Service: Electrical EngineeringService: Power Distribution and GenerationIndustry: CommercialType: Electrical Engineering+37 more

Foxxstem

Washington, DC

Building people. Elevating communities. Engineering solutions.

Website1 office15 projects1 leaders
Service: Civil Engineering DesignService: Stormwater Retrofit and DrainageIndustry: TransportationType: Civil Engineering+23 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 1996
Service: Engineering SupportService: Program ManagementIndustry: GovernmentType: Civil Engineering+3 more

Globetrotters Engineering Corporation

Chicago, IL

Architecture, Engineering, Technology

WebsitePhone3 offices9 projects
Service: ArchitectureService: Condition AssessmentIndustry: TransitType: Architecture & Engineering+50 more

Isys Incorporated

Littleton, CO

Delivering Technology and Engineering Services to Government Customers

WebsitePhone3 offices3 projects
Service: CybersecurityService: Vulnerability Assessments & Risk MitigationIndustry: SpaceType: Software Engineering+18 more

Kramer Consulting Services, Inc.

Washington, DC

The Power of an Advocate by Your Side.

WebsitePhone1 office8 projects
Service: Owner's Representation & AdvisoryService: Procurement ManagementIndustry: GovernmentType: Owner's Engineer+33 more

Lessani PLLC

Washington, DC

Expert Construction Management and Program Oversight

WebsitePhone1 office6 leaders
Service: Program & Construction Management (PM/CM)Service: Program ManagementIndustry: CommercialType: Civil Engineering+15 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 2005
Service: Naval Architecture and Marine EngineeringService: Ship Modification and RepairIndustry: DefenseType: Naval Architecture+9 more

Pacific Aerospace Consulting Inc

San Diego, CA

Innovative Independent Professional Solutions

Website6 offices4 leaders1 credentials
Service: Aerospace Acquisition and SustainmentService: Acquisition Strategies and Management SupportIndustry: DefenseType: Aerospace Engineering+31 more

Regulus Group, LLC

Woodstock, VA

Engineering the skies.

WebsitePhone4 offices10 leaders
Service: Systems EngineeringService: Surveillance SystemsIndustry: AviationType: Aviation Engineering+10 more

Somat Engineering, Inc.

Detroit, MI

Infrastructure Engineering Solutions

WebsitePhone8 offices8 projects
Service: Geotechnical EngineeringService: Subsurface InvestigationIndustry: TransportationType: Geotechnical Engineering+51 more