Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

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

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

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

NMP Engineering Consultants, Inc.

Hunt Valley, MD

Water Resources Experts

WebsitePhone1 office12 projects1 leaders9 credentialsFounded 2002

Project: Watkins Mill Road Interchange Erosion and Sediment Control

Service: Water Resources EngineeringService: Stormwater Management DesignService: Erosion & Sediment ControlIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+29 more

Zest LLC

Greenbelt, MD

Expert Management, Quality Design and Consulting Services.

WebsitePhone2 offices1 projects1 credentialsUpdated Jun 2026

Project: Purple Line Transit Project

Service: Storm Water ManagementService: TMDL Compliance AuditingService: LID and ESD RetrofitIndustry: Stormwater & Flood ControlIndustry: GovernmentType: Civil Engineering+60 more