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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ABNA Engineering, Inc.

St. Louis, MO

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

WebsitePhone3 offices4 projects11 leaders3 credentialsFounded 1994

Project: Washington Avenue Streetscape Project

Service: Civil EngineeringService: Water Resources EngineeringService: Municipal UtilitiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+41 more

AHBL, Inc.

Tacoma, WA

Shaping Stronger Communities

WebsitePhone4 offices14 projects8 leaders27 credentialsFounded 1969

Project: Carla Peperzak Middle School

Service: Civil EngineeringService: Site Development SolutionsService: Stormwater Management SystemsIndustry: EducationIndustry: HealthcareType: Civil Engineering+41 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 more

Azar Design Co PC

Buffalo, NY

Bridging grace and imagination with functionality while delivering pragmatic solutions.

WebsitePhone5 offices4 projects8 leaders2 credentialsFounded 1979

Project: Jacobs School of Medicine & Biomedical Sciences

Service: ArchitectureService: Architectural DesignService: Historic PreservationIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+112 more

Baird, Hampton & Brown, Inc.

Fort Worth, TX

Building Partners

Website5 offices11 projects16 leaders24 credentialsFounded 1992Size Estimate: 140+ employees

Project: Bob Bolen Public Safety Complex

Service: Civil EngineeringService: Site DevelopmentService: Municipal InfrastructureIndustry: CommercialIndustry: RetailType: Civil Engineering+66 more

Brown & Root Industrial Services, LLC

Baton Rouge, LA

Comprehensive engineering, construction, maintenance, turnarounds, and specialty services for industrial facilities.

Website4 offices1 credentialsUpdated Jun 2026

Service detail: Plan & Design

Service: Plan & DesignService: EngineeringService: EstimatingIndustry: IndustrialIndustry: Oil & GasType: Industrial Engineering+27 more

Chastain & Associates LLC

Creating infrastructure for 70 years.

Website1 projects3 leadersSize Estimate: 80+ employeesUpdated Jun 2026

Project: Village of Oak Park Right-of-Way Permitting Services

Service: Transportation EngineeringService: Expressways, Interstates, Tollways, and HighwaysService: Safety and Feasibility StudiesIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+52 more

David Mason + Associates

St. Louis, MO

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.

WebsitePhone7 offices7 projectsFounded 1989Size Estimate: 100-250 employeesUpdated Jun 2026

Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations

Service: Civil EngineeringService: Structural EngineeringService: Survey and 3D ScanningIndustry: HealthcareIndustry: EducationType: Civil Engineering+20 more

Heyer Engineering Inc

Fargo, ND

We Take Great Pride in Making Visions a Reality.

Website2 offices3 projectsFounded 1983Updated Jun 2026

Project: Ed Robson Arena Colorado College

Service: Structural EngineeringService: Adaptive Reuse, Expansions, and RenovationsService: Building DesignIndustry: CommercialIndustry: EducationType: Structural Engineering+27 more

McNeil Engineering

Sandy, UT

Economic and sustainable designs, professionals you know and trust

WebsitePhone1 office5 leadersSize Estimate: 35-50 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Residential site engineeringService: Commercial and retail site designIndustry: CommercialIndustry: ResidentialType: Civil Engineering+34 more

Mesa Associates, Inc.

Madison, AL

Engineers and Consultants

WebsitePhone18 offices2 leadersFounded 1988Size Estimate: 1,000+ employeesUpdated Jun 2026

Service detail: Engineering & Design Services

Service: Engineering & Design ServicesService: 3D ModelingService: UAV InspectionIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+18 more

Morrison-Maierle

Smart Engineering. Real-World Impact.

Website7 projectsUpdated Jun 2026

Project: Allendale Fish Screen

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AgricultureIndustry: AirportsType: Civil Engineering+39 more

Pennoni

Philadelphia, PA

Partners for What's Possible

Website1 office5 projects6 leaders6 credentials2 publicationsFounded 1966

Project: I-95 Central Access Philadelphia (CAP)

Service: Civil/SiteService: Site Planning & Land DevelopmentService: Permitting & EntitlementIndustry: CommercialIndustry: RetailType: Civil Engineering+136 more

Petra Consultants

Lafayette, LA

Safe. Efficient. Proven.

Website1 office7 projects5 leadersFounded 1996Updated Jun 2026

Project: 4-Pile Jacket, Deck and Facilities Design

Service: Engineering ServicesService: Process ModelingService: P&ID DevelopmentIndustry: Oil & GasIndustry: MarineType: Civil Engineering+35 more

Popli Design Group, DPC

Penfield, NY

Popli Design Group (PDG) is an award-winning, multi-disciplinary architectural, engineering, land surveying, and construction inspection practice established in 1982. It serves educational, healthcare, commercial, industrial, and government clients at the federal, state, and local levels across building, transportation, and surveying sectors.

WebsitePhone7 offices4 projects1 credentialsFounded 1982Updated Jun 2026

Project: Buffalo State College Project

Service: ArchitectureService: Mechanical, Electrical, Plumbing and Fire Protection EngineeringService: Energy and CommissioningIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+33 more

Socotec Engineering Inc

New York, NY

Trusted Expertise, From the Ground Up

WebsitePhone6 offices6 projects5 leaders1 credentialsSize Estimate: 1,700+ employees

Project: One World Trade Center

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Geotechnical ForensicsIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+87 more

Stahl Sheaffer Engineering, Inc.

Civil & Structural Engineering Solutions

Website2 projects7 leaders2 credentialsFounded 2006Size Estimate: 100-199 employeesUpdated Jun 2026

Project: Golden Mile Continuous Green T Interchange

Service: Bridge and Tunnel EngineeringService: Bridge DesignService: Tunnel Rehabilitation DesignIndustry: AgricultureIndustry: Sports & RecreationType: Civil Engineering+39 more

Thouvenot, Wade & Moerchen, Inc. (TWM)

Swansea, IL

Exceptional Service. Nothing Less.

WebsitePhone1 office2 projects13 credentialsSize Estimate: 200+ employeesUpdated Jun 2026

Project: Pierce Terrace Elementary School

Service: Transportation & Traffic EngineeringService: Roadway DesignService: Traffic & Safety StudiesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+34 more