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

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

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

LRS Federal LLC

Severna Park, MD

Partnership Built On Trust

WebsitePhone1 office7 projects3 leaders1 credentialsUpdated Jun 2026

Project: Sustainability and Energy Management Program Support for a Federal Agency

Service: Architectural and Engineering ServicesService: Facility Engineering and DesignService: Engineering Studies and AssessmentsIndustry: FederalIndustry: DefenseType: Architecture & Engineering+24 more

McCormick Taylor

Philadelphia, PA

Our work moves people. Our people move us.

Website16 offices15 projects24 leaders8 credentialsFounded 1946Updated Jun 2026

Project: Penrose Roundabout

Service: Roadway & Transportation EngineeringService: Highway DesignService: Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+44 more

Mercado Consultants, Inc.

Ashton, MD

Mercado Consultants, Inc. is a Maryland-based civil and structural engineering firm with more than 35 years of experience serving transportation agencies, utilities, and government clients in Maryland, Washington D.C., and Virginia. Its comprehensive services include civil and structural engineering, bridge inspection, construction management and inspection, surveying, GIS, environmental and MS4, water and sewer design, and mobile LiDAR. Key clients include MDOT SHA, MDTA, MTA, MPA, WSSC, MWAA, WMATA, and DDOT.

WebsitePhone1 office3 projects2 credentialsUpdated Jun 2026

Project: Davis Mill Road Stream Restoration

Service: Civil EngineeringService: Highway and Roadway DesignService: Erosion and Sediment ControlIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+35 more

RK&K

Baltimore, MD

Responsive People. Creative Solutions.

WebsitePhone1 office11 projects7 leaders6 credentials1 publications

Project: BikeHoward Howard County Bicycle Master Plan

Service: Alternative DeliveryService: Construction Management at Risk (CMAR)Service: Design-BuildIndustry: GovernmentIndustry: TransportationType: Civil Engineering+83 more

Soil and Land Use Technology, Inc.

Washington, DC

Geotechnical, environmental, and occupational health and safety engineering consulting

WebsitePhone3 offices4 projects12 leaders2 credentialsSize Estimate: 10-49 employees

Project: Purple Line Light Rail

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Foundation DesignIndustry: GovernmentIndustry: Environmental & RemediationType: Civil Engineering+29 more

Straughan Environmental, Inc.

Columbia, MD

Advancing sustainable and resilient communities

WebsitePhone1 office6 projects19 leaders15 credentials3 publications

Project: I-95 Express Toll Lanes - Design Review, Environmental Permitting, Stream Restoration Mitigation Design, and Public Outreach

Service: Management and ConsultingService: Environmental Program ManagementService: Construction Management + InspectionIndustry: FederalIndustry: GovernmentType: Civil Engineering+21 more

SuYash Consulting, LLC

Columbia, MD

Transforming Vision into Sustainable Realities

WebsitePhone2 offices6 projects5 credentialsFounded 2015Size Estimate: 20 employees

Project: Purple Line Light Rail Project

Service: PlanningService: Design (Water Resources, Highway, and Structures)Service: Hydrologic & Hydraulic StudiesIndustry: TransportationIndustry: GovernmentType: Civil Engineering+25 more

Triad Engineering, Inc.

Scott Depot, WV

Triad Listens, Designs & Delivers.

Website10 officesFounded 1975Size Estimate: 100-249 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Grading and Development PlansService: Stormwater ManagementIndustry: CommercialIndustry: ResidentialType: Civil Engineering+109 more

Urban Engineers Inc

Philadelphia, PA

Be Part of Something Bigger

WebsitePhone14 offices7 projects7 leaders4 credentialsFounded 1960

Project: I-78/SR 61 Bridge Replacement and Interchange Reconstruction

Service: PlanningService: Multimodal Circulation PlanningService: Bicycle & Pedestrian PlanningIndustry: AviationIndustry: BridgesType: Civil Engineering+47 more