Public engineering firm directory

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3 Rocks Engineering & Surveying

CaƱon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects2 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Love's Travel Stop & RV Park Designs

Service: Civil EngineeringService: Residential and Commercial Site DevelopmentService: Oil and Gas Civil SupportIndustry: CommercialIndustry: ResidentialType: Civil Engineering+28 more

50 States Engineering Corp.

Hackensack, NJ

Benefit from an innovative and diverse range of surveying and engineering experience.

WebsitePhone1 office7 projects3 leaders1 credentialsUpdated Jun 2026

Project: Admiration Foods Facility

Service: Land SurveyingService: Construction layout and stakeoutService: 3D laser scanningIndustry: TransitIndustry: RailType: Civil Engineering+28 more

609 Consulting, LLC

Sheridan, WY

Engineering Excellence Delivering High-Quality Engineering, Surveying & Consulting Services to the Rocky Mountain Region

WebsitePhone4 offices8 leadersFounded 2007Size Estimate: 58 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Road Engineering DesignService: Transportation Planning of Access RoadsIndustry: Oil & GasIndustry: Water ResourcesType: Civil Engineering+25 more

AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

ALC Engineering

Buffalo, WY

More Than Just a Project

WebsitePhone2 officesFounded 2010Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: GPS and Total Station SurveyingService: UAV and Aerial Survey and MappingIndustry: Oil & GasIndustry: GovernmentType: Civil Engineering+27 more

ALPHA Survey Group, LLC

Middleboro, MA

Accuracy | Experience | Quality

WebsitePhone1 office1 leaders7 credentialsFounded 1990Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Property and Topographic SurveysService: ALTA/NSPS Land Title SurveysIndustry: TransportationIndustry: AviationType: Land Surveying+10 more

AM Engineering

Sarasota, FL

Founded With Customers in Mind

WebsitePhone1 office2 projectsFounded 1986Updated Jun 2026

Project: Ed Smith Stadium

Service: Civil EngineeringService: Commercial SubdivisionsService: Residential SubdivisionsIndustry: ResidentialIndustry: CommercialType: Civil Engineering+30 more

Abaci Consulting

Grimes, IA

From Blueprint to Reality

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land subdivisionsService: Master planningIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+58 more

Abercrombie & Associates, Inc.

Cincinnati, OH

Civil Engineering and Land Surveying

WebsitePhone1 office5 projects11 leaders3 credentialsFounded 1976

Project: Amazon Distribution Facility

Service: Civil EngineeringService: Roadway and utility design for private and public developmentsService: Stormwater detention and drainage resolutionIndustry: CommercialIndustry: RetailType: Civil Engineering+34 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

Advantus Engineers

Pittsburgh, PA

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

WebsitePhone1 office7 projects9 leaders3 credentialsFounded 2004

Project: Western Butler County Authority Administration Building

Service: Building CommissioningService: Design and Submittal AnalysisService: Controls and Checklist FormulationIndustry: GovernmentIndustry: CommercialType: MEP+40 more

Aillet, Fenner, Jolly & McClelland, Inc.

AFJMc is a consulting engineering firm with more than 55 years of experience delivering civil, structural, mechanical, electrical, and transportation engineering services. Its portfolio includes roadways, bridges, utility and site design, industrial process systems, higher education facilities, healthcare facilities, government buildings, sports and recreation facilities, and commercial projects.

Website3 projectsUpdated Jun 2026

Project: Jimmie Davis Bridge (LA 511) Replace/Rehab

Service: Civil EngineeringService: Site PlanningService: Stormwater ManagementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

Alaimo Group

Mt. Holly, NJ

Over 50 years of engineering excellence

WebsitePhone2 offices4 projectsSize Estimate: 100-249 employeesUpdated Jun 2026

Project: Berkeley Township SA Bayview Avenue Force Main Replacement

Service: Municipal ServicesService: Township Engineer RepresentationService: Tax Map UpdatesIndustry: GovernmentIndustry: Water SupplyType: Architecture & Engineering+28 more

Allen & Major Associates, Inc.

Woburn, MA

Civil Engineers, Land Surveyors, Environmental Consultants & Landscape Architects

WebsitePhone3 offices11 projects1 credentialsUpdated Jun 2026

Project: Broadstone's The 305 Apartments

Service: Civil EngineeringService: Construction ConsultationService: Due Diligence & Feasibility StudiesIndustry: CommercialIndustry: IndustrialType: Civil Engineering+49 more

Allied Corrosion Industries, Inc.

Marietta, GA

Bringing 40+ Years of Experience to Solve Your Corrosion Challenges

WebsitePhone1 office1 leaders7 credentialsFounded 1980Updated Jun 2026

Service detail: Cathodic Protection Services

Service: Cathodic Protection ServicesService: Cathodic Protection DesignService: Cathodic Protection InstallationIndustry: Oil & GasIndustry: UtilitiesType: Electrical Engineering+23 more

Alpha Geotechnical & Materials, Inc.

Tempe, AZ

Alpha Geotechnical & Materials, Inc. is a Tempe, Arizona-based consulting practice founded in 1998, specializing in geotechnical and environmental engineering, geological services, construction inspections, and materials testing. It serves public and private clients on projects ranging from single commercial pads to large master-planned communities across the Phoenix metro area, delivering timely, accurate, and cost-effective field and laboratory testing.

WebsitePhone1 office18 projects5 leadersFounded 1998Size Estimate: 1-25 employees

Project: Microchip Technology C6 Building

Service: Geotechnical EngineeringService: Subsurface Site InvestigationService: Foundation, Pavement, and Earthquake EngineeringIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+92 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

Anderson Surveying LLC

Gillette, WY

Exceptional Surveying Services

WebsitePhone1 officeFounded 2021Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveysService: Simple SubdivisionsIndustry: ResidentialIndustry: Land DevelopmentType: Land Surveying+4 more

Arrow North Surveying, LLC

Greenville, SC

Arrow North Surveying, LLC is a professional land surveying and mapping firm based in Greenville, South Carolina, serving residential and commercial clients across South Carolina, North Carolina, Georgia, Florida, and Alabama. Led by a Registered Professional Land Surveyor, the firm handles every aspect of a project from initial boundary survey through final municipal approval. Arrow North Surveying offers a full suite of surveying services including ALTA/ACSM surveys, topographic surveys, FEMA elevation certificates, utility locating and mapping, construction layout, subdivision recording, and geomatics engineering.

WebsitePhone1 office1 leaders1 credentialsFounded 2012Updated Jun 2026

Service detail: Commercial and Residential Land Surveys

Service: Commercial and Residential Land SurveysService: Lot Design and Master PlanningService: Road and Sidewalk DesignIndustry: ResidentialIndustry: CommercialType: Land Surveying+18 more

Arrow Pro Land Surveys and Consulting LLC

Reno, NV

Providing Professional Land Surveying and Consulting Services in Nevada and Southern Idaho.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Professional Land Surveying Services

Service: Professional Land Surveying ServicesService: ALTA SurveysService: Boundary SurveysIndustry: GovernmentIndustry: FederalType: Land Surveying+29 more

Arthur Engineering Services, LLC

Laurel, MD

Arthur Engineering Services (AES) is a Laurel, Maryland-based practice specializing in condition assessment of water and sewer infrastructure. AES performs closed-circuit television inspections, sewer system evaluation studies, infiltration and inflow investigations, flow monitoring, hydrant and valve testing, and GIS/GPS asset surveys for municipal clients. Its field teams hold NASSCO PACP/MACP/LACP certifications and deliver large-scale cleaning and inspection contracts for DC Water, the City of Baltimore, and WSSC across hundreds of thousands of linear feet of sanitary sewer and stormwater infrastructure.

WebsitePhone1 office4 projects7 credentialsFounded 2016Updated Jun 2026

Project: DC Water Sewer System Evaluation Study (SSES) - Phase I Nicholson Street Area

Service: Sewer and Water System InspectionService: Closed Circuit Television (CCTV) InspectionsService: Lateral InspectionsIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+18 more

Arthur H. Howland & Associates, P.C.

New Milford, CT

Civil Engineering, Land Surveying, Environmental Services, & Land Use Planning in Connecticut

WebsitePhone1 office4 leadersFounded 1955Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Property SurveysService: Topographic SurveysIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+22 more

Aucoin & Associates, Inc.

Eunice, LA

Aucoin & Associates, Inc. (A&A) is a civil, environmental, and transportation engineering and land surveying firm founded in Eunice, Louisiana in March 1951 by Lindsey J. Aucoin. Serving the Central Gulf Coast from offices in Eunice and Lake Charles, A&A provides professional engineering, planning, and surveying services across Louisiana, Texas, and Mississippi. Licensed engineers and surveyors hold credentials in Louisiana, Texas, Mississippi, and Arkansas. The practice serves municipal, state, and federal agencies, parish governments, and private clients including major oil and gas pipeline operators, with project work spanning coastal restoration, transportation infrastructure, municipal utilities, land development, and solid waste engineering.

WebsitePhone2 offices5 leaders2 credentialsFounded 1951Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Environmental EngineeringService: Transportation EngineeringIndustry: Oil & GasIndustry: Highways & RoadsType: Civil Engineering+51 more