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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Air Resource Specialists, Inc.

Fort Collins, CO

A leader in the field of air quality for over 40 years.

Website1 office8 projects1 leaders2 credentials3 publicationsSize Estimate: 35 employees

Project: National Park Service Air Quality Conditions & Trends Website

Service: Air MonitoringService: Criteria Pollutants MonitoringService: Toxics & Hazardous Air PollutantsIndustry: GovernmentIndustry: FederalType: Environmental Engineering+33 more

Antero Group

Chicago, IL

Authentic partnerships are the best way to design and deliver projects that create lasting value.

WebsitePhone4 offices5 projects6 leadersUpdated Jun 2026

Project: Barry County Broadband Assessment and Implementation Plan

Service: Civil EngineeringService: Site DevelopmentService: Construction Engineering and ManagementIndustry: TransportationIndustry: GovernmentType: Civil Engineering+47 more

BLA, Inc.

Itasca, IL

We build our success by building yours.

WebsitePhone2 offices7 projects16 leadersFounded 1978Updated Jun 2026

Project: Elgin O'Hare Western Access

Service: Construction EngineeringService: Public Outreach and Information ProgramsService: Contractor Compliance and Schedule ManagementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+13 more

Daft McCune Walker, Inc.

Towson, MD

Designing. Developing. Delivering.

WebsitePhone2 offices11 projects2 credentialsSize Estimate: 50-150 employeesUpdated Jun 2026

Project: Honeygo Elementary School

Service: Civil EngineeringService: Site EngineeringService: Stormwater EngineeringIndustry: CommercialIndustry: EducationType: Civil Engineering+53 more

DesignGreen, LLC

Creating resilient, environmentally aware communities that work for us all

Website6 projects6 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Duke Ellington Park

Service: Planning & DesignService: Concept DesignService: Master PlanningIndustry: GovernmentIndustry: Stormwater & Flood ControlType: Civil Engineering+19 more

Ecompex, Inc.

Arlington, VA

Key to the Right Intelligence

WebsitePhone1 office1 credentialsFounded 2001Updated Jun 2026

Service detail: Civil Engineering & Facilities Management

Service: Civil Engineering & Facilities ManagementService: Building Management & InspectionService: Environmental AssessmentsIndustry: DefenseIndustry: GovernmentType: Civil Engineering+10 more

Site Design Engineering / LDEC Engineering & Consulting

Middleboro, MA

Covering Massachusetts & Rhode Island, we are a leader in civil engineering, land surveying and environmental consulting.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site layout and optimizationService: Roadway design and improvementsIndustry: CommercialIndustry: ResidentialType: Civil Engineering+34 more

Thomas Engineering Group, LLC

Oak Park, IL

Delivering Small Firm Service and Expertise with Large Firm Experience and Innovation

WebsitePhone3 offices14 projects9 leaders6 credentialsFounded 2008

Project: Edens Spur Roadway and Bridge Reconstruction

Service: Transportation Planning and DesignService: State-led and locally-led Phase I studiesService: Feasibility studies and alternatives analysesIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+55 more