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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Carroll Engineering, Inc.

Hunt Valley, MD

Small Firm, Big Ideas

WebsitePhone2 offices10 projects20 leaders4 credentialsFounded 1965

Project: Morgan State University Calvin & Tina Tyler Hall

Service: Structural EngineeringService: Concrete Frame, Tilt-Up, and Post-Tensioned StructuresService: Steel Frame and Composite DesignIndustry: EducationIndustry: HealthcareType: Civil Engineering+39 more

Credere Associates, LLC

Westbrook, ME

Community Revitalization, Economic Development, Environmental Remediation and Engineering

WebsitePhone1 office4 projects3 leadersFounded 2007Size Estimate: Up to 25 employees

Project: Callahan Mine Superfund Site Tailings Impoundment Investigation and Stability Analysis

Service: Brownfields Assessment and CleanupService: Phase I Environmental Site AssessmentsService: Phase II Environmental InvestigationsIndustry: Environmental & RemediationIndustry: DefenseType: Environmental Engineering+29 more

ECS Group of Companies

Chantilly, VA

Your Go-To Engineering Consulting Partner

Website1 office6 projects1 leadersFounded 1988Size Estimate: 1,000+ employeesUpdated Jun 2026

Project: SK Innovation EV Battery Site

Service: Geotechnical EngineeringService: Subsurface ExplorationService: In-Situ TestingIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+48 more

EnviroForensics, LLC

Indianapolis, IN

Turning Environmental Liabilities into Assets

WebsitePhone1 officeUpdated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Site Investigation & RemediationService: Real Estate Due DiligenceIndustry: ManufacturingIndustry: Oil & GasType: Environmental Engineering+14 more

Larson Engineering

Appleton, WI

Build on what we know.

WebsitePhone13 offices9 projects1 credentialsFounded 1979Size Estimate: 100-500 employees

Project: Sphere at the Venetian Resort

Service: Structural EngineeringService: Building StructuresService: Structural Design Review and Peer EvaluationIndustry: AgricultureIndustry: CommercialType: Civil Engineering+46 more

Lehigh Engineering, LLC

Pottsville, PA

Civil & Municipal Engineering Consultants

WebsitePhone1 office6 projects5 leadersFounded 2004Updated Jun 2026

Project: Coal Creek Commerce Center, St. Clair Borough

Service: Civil EngineeringService: Civil Site EngineeringService: Stormwater Management DesignIndustry: GovernmentIndustry: MiningType: Civil Engineering+23 more

S3DA Design

San Ramon, CA

S3DA Design is a structural and MEP engineering firm with offices in California, Texas, and Florida, providing services nationwide. By integrating structural and MEP design under one roof, S3DA acts as a single source of responsibility for architects, real estate developers, contractors, and property owners. With over 20 years of experience and more than 4,600 completed projects covering over 300 million square feet, the engineers deliver code-compliant designs across commercial, residential, healthcare, industrial, and educational sectors.

WebsitePhone4 offices9 projectsUpdated Jun 2026

Project: MEP Design for Single-Family Residence

Service: Structural DesignService: Full-Service Ground-Up BuildingsService: Seismic Retrofit EngineeringIndustry: CommercialIndustry: ResidentialType: Structural Engineering+24 more