Public engineering firm directory

Find engineering consulting firms by capability and location.

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360 Engineering P.C.

Civil, Structural, and Construction Engineering Services

Website1 leadersFounded 2020Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Evaluations of Existing BuildingsService: Structural Rehabilitation and Alteration DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+23 more

3D Engineering Solutions, LLC

Cincinnati, OH

Measuring & Modeling Quality

WebsitePhone1 office2 credentialsFounded 2007Updated Jun 2026

Service detail: 3D Laser Scanning & Digitizing

Service: 3D Laser Scanning & DigitizingService: Short Range 3D Laser ScanningService: Long Range Laser ScanningIndustry: AerospaceIndustry: AutomotiveType: Materials Testing+28 more

A&R Engineering

Marietta, GA

A&R Engineering is a civil engineering firm specializing in traffic and transportation engineering, headquartered in Marietta, Georgia. A&R has served clients across Georgia, South Carolina, and Alabama for over 20 years, guiding projects from due diligence through construction completion. The team works with developers, architects, attorneys, and public agencies on retail, residential, industrial, mixed-use, educational, and medical developments, delivering traffic impact studies, intersection and signal design, permitting support, construction oversight, and expert witness services.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Traffic Studies

Service: Traffic StudiesService: Traffic Impact StudiesService: Intersection Control Evaluation StudiesIndustry: TransportationIndustry: Land DevelopmentType: Civil Engineering+22 more

ACL, Inc.

Engineering for an Integrated World

Website1 projects3 leadersFounded 2015Updated Jun 2026

Project: Denver Central Business District - Traffic Signal Retiming

Service: Roadway EngineeringService: Conceptual Planning and Preliminary DesignService: Roadway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+23 more

AESCO, Inc.

Huntington Beach, CA

Building America from the ground up since 1993

WebsitePhone1 office3 projectsFounded 1993Updated Jun 2026

Project: I-405 Improvement Project

Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationService: Soils evaluationIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+25 more

AIG Technical Services, LLC

Houston, TX

AIG Technical Services, LLC is a Houston-based engineering consulting practice specializing in transportation infrastructure. It offers a multi-disciplinary blend of planning, engineering, and program management services for various transportation projects, ranging from local improvements to large-scale corridor developments across Texas. The practice focuses on delivering cost-effective and safe solutions by collaborating closely with public agency clients to address complex engineering and planning challenges.

WebsitePhone2 offices6 projects5 leaders9 credentialsUpdated Jun 2026

Project: SH 146 Ferry Road to I-10 Schematic and Environmental Study

Service: Transportation PlanningService: Formulates Long-term StrategiesService: Corridor Concepts For Multimodal Transportation NetworksIndustry: Highways & RoadsIndustry: TransitType: Civil Engineering+16 more

ASI Solutions, Inc.

Full-service aviation and aerospace engineering house specializing in modifications and 24/7 AOG support

Website2 projects2 leadersFounded 2003Updated Jun 2026

Project: C-130 Center Wing Replacement Engineering

Service: Aircraft ModificationsService: Cabin ReconfigurationsService: LOPA and PSU Layout DrawingsIndustry: AviationIndustry: DefenseType: Aerospace Engineering+19 more

Acres LLC

West Norriton, PA

Utility Engineering & Infrastructure Design

Website1 office1 leadersFounded 2022Updated Jun 2026

Service detail: Utility Engineering Design

Service: Utility Engineering DesignService: Water Distribution Infrastructure DesignService: Power Distribution Infrastructure DesignIndustry: UtilitiesIndustry: Water SupplyType: Civil Engineering+15 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects10 leadersFounded 2004Size Estimate: 70-249 employees

Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Service: Transportation EngineeringService: Highway and Traffic EngineeringService: Intelligent Transportation Systems (ITS) EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+26 more

Allison Structural Group

Columbus, OH

Allison Structural Group is a Columbus, Ohio-based structural engineering and inspection consulting practice serving developers, architects, contractors, realty companies, and facility owners. It provides structural design for new and existing buildings, site civil consulting, condition assessments, and industrial support structures. Project types range from residential additions and tenant improvements to industrial plant upgrades and commercial property acquisitions. The practice delivers projects using BIM and Revit for clear, coordinated design documentation.

WebsitePhone2 offices6 projectsSize Estimate: 2-10 employeesUpdated Jun 2026

Project: Sawmill Place Apartment Building

Service: Structural EngineeringService: Structural design for new buildingsService: Structural upgrades and alterations to existing facilitiesIndustry: CommercialIndustry: ManufacturingType: Architecture & Engineering+51 more

Alpha Corporation

Dulles, VA

Where Engineering Meets Adventure

WebsitePhone1 office3 projects6 leaders4 credentialsFounded 1979

Project: Hampton Roads Bridge-Tunnel (HRBT) Expansion Design-Build Project

Service: Engineering DesignService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: TransportationType: Civil Engineering+28 more

Alpine Surveying & Engineering, Inc.

Bozeman, MT

Delivering Personalized Surveying & Engineering Solutions

WebsitePhone1 office6 leaders4 credentialsFounded 2002Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Commercial and light industrial site design and permittingService: Road and utility planning, design, and permittingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+36 more

AmerCom Corporation

Parsippany, NJ

Responsive Cost Effective Solutions with Excellence!

WebsitePhone1 office2 projects6 credentialsSize Estimate: 60 employeesUpdated Jun 2026

Project: U.S. Route 202 Bridge over Passaic River - Accelerated Bridge Construction

Service: Structural EngineeringService: Accelerated Bridge ConstructionService: Structural Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+25 more

Ampirical

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Website3 projects1 credentialsSize Estimate: 250-500 employeesUpdated Jun 2026

Project: 230kV Transmission Line EPC

Service: Substation EngineeringService: Full physical, civil, structural, and P&C designService: Grounding, shielding, and lightning protectionIndustry: Electric UtilitiesIndustry: Power GenerationType: Automation & Controls+58 more

Applied Sciences Consulting, LLC

Tampa, FL

Engineering a sustainable future

WebsitePhone1 office5 projects1 leaders18 credentials3 publications

Project: City of Tampa Vulnerability Assessment

Service: Watershed PlanningService: Watershed & Master PlansService: PD&E StudiesIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+29 more

Aquario Engineering LLC

San Diego, CA

Smart solutions in sustainable water infrastructure project delivery

WebsitePhone1 office3 leadersFounded 2020Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Sustainable Infrastructure Consulting

Service: Sustainable Infrastructure ConsultingService: Providing Consulting Services Focused On Bringing SustainableService: ResilientIndustry: Water ResourcesIndustry: WastewaterType: Civil Engineering+30 more

Armstrong Glen, P.C.

Charlotte, NC

Armstrong Glen, P.C. is a civil engineering consulting practice that provides professional engineering services throughout North and South Carolina. Founded in 1997, it focuses on quality of service, reliability, and accuracy, remaining committed to listening to client needs. The practice primarily serves local municipalities and counties on multi-year, reoccurring contracts ranging from capital stormwater projects to on-call structural services.

WebsitePhone2 offices8 projectsFounded 1997Updated Jun 2026

Project: Celia Avenue Culvert Project

Service: StormwaterService: Stormwater Capital ImprovementsService: Pond RehabilitationIndustry: Stormwater & Flood ControlIndustry: Water SupplyType: Civil Engineering+26 more

B&B Engineering, LLC

Woodbridge, CT

Engineering Excellence at Your Service

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Holbrook Road Improvements

Service: Land SurveyingService: Boundary DeterminationService: Topographical SurveysIndustry: GovernmentIndustry: TransportationType: Civil Engineering+44 more

B&D Design Services

Inspiration. Innovation. Simplicity by Design.

Website2 projects1 credentialsFounded 2004Updated Jun 2026

Project: Boeing 747 Forward Staircase Replacement

Service: Aircraft Interior ModificationService: Headliner and Sidewall SystemsService: Monument and Galley DesignIndustry: AerospaceIndustry: AviationType: Aviation Engineering+16 more

BA Inc.

Los Angeles, CA

BA Inc. provides transportation-related professional engineering design and consulting services to public agencies and private developers. Established in 2004, its practice focuses on drainage and utility design, subsurface utility engineering, encroachment permitting, third-party utility coordination, and construction or project management.

Website1 office3 projectsFounded 2004Updated Jun 2026

Project: LACMTA Projects

Service: Civil EngineeringService: Drainage DesignService: Stormwater ManagementIndustry: TransportationIndustry: GovernmentType: Civil Engineering+15 more

Ballantine Aviation Consulting Services PLLC

Portland, ME

Serving Our Nation's Airports Since 1987

WebsitePhone1 office5 projects1 leaders10 credentialsFounded 2011

Project: Relocate Runway 16-34 BAK-12 Barrier Sheds

Service: Airport Design and InfrastructureService: Airfield Pavement EngineeringService: Pavement Management and Condition InspectionIndustry: AirportsIndustry: AviationType: Aviation Engineering+29 more

Benchmark Construction Services, LLC

Norman, OK

Benchmark Construction Services, LLC is an Oklahoma engineering practice specializing in road and bridge construction management, construction materials testing, utility relocation coordination, resident engineering, and field services. Its Oklahoma team supports transportation infrastructure work from offices and labs in Norman, Tulsa, and Broken Bow.

WebsitePhone4 offices1 projects8 leaders3 credentialsUpdated Jun 2026

Project: Kickapoo Turnpike Utility Relocation

Service: Construction Engineering and InspectionService: Resident engineeringService: Construction inspectionIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+20 more

Benchmark Management LLC

Atlanta, GA

People. Process. Results.

WebsitePhone1 office6 projectsFounded 2003Updated Jun 2026

Project: Old Alabama Road 48-Inch Water Transmission Main Relocation

Service: Engineering and DesignService: Water transmission and distribution main designService: Sanitary sewer design and rehabilitationIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+18 more

Benham, a Haskell Company

Oklahoma City, OK

Tomorrow's Design Since 1909

WebsitePhone6 offices4 projectsFounded 1909Size Estimate: 200-500 employeesUpdated Jun 2026

Project: Osprey Maintenance Hangars

Service: ArchitectureService: EngineeringService: DesignBuildIndustry: InfrastructureIndustry: HealthcareType: Architecture & Engineering+35 more