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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Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Iowa Colony City Engineer

Service: Civil EngineeringService: Site DevelopmentService: Land Development & Master PlanningIndustry: EducationIndustry: CommercialType: Civil Engineering+40 more

Adkins Engineering and Surveying

Klamath Falls, OR

Serving S. Oregon and N. California Since 1983

Website1 office6 projects3 leaders3 credentialsFounded 1983Size Estimate: 15-25 employees

Project: Klamath Irrigation District - C-Flume Replacement

Service: Civil EngineeringService: Land Development PlanningService: Transportation SystemsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 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

Aeparmia Engineering PLLC

Austin, TX

Innovative Engineering Solutions for Utility Challenges & Needs

WebsitePhone3 offices13 projects1 leaders5 credentialsFounded 2017

Project: I-35 NEX South Project Electric and Telecom Utility Relocations

Service: Power and Fiber Utilities EngineeringService: Subsurface Utilities Engineering (SUE)Service: Public and Private Utilities Coordination and Conflict AnalysisIndustry: CommercialIndustry: ResidentialType: Civil Engineering+38 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

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

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

Aldrich + Elliott, PC

Essex Junction, VT

Innovative Water Resource Engineering

WebsitePhone1 office5 projects4 leaders11 credentialsFounded 1995

Project: Municipal Sequential Batch Reactor Wastewater Treatment Process

Service: Drinking Water SystemsService: System assessmentsService: Hydraulic modelingIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+23 more

All South Consulting Engineers, LLC

Metairie, LA

Solutions Engineered by Design

WebsitePhone4 offices8 projects3 leadersFounded 2004Size Estimate: 80-249 employees

Project: Bayou Country Sports Park

Service: Civil EngineeringService: Water and Sewage SystemsService: Drainage and Stormwater SystemsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+25 more

Allen Consulting Engineers

Mesa, AZ

Allen Consulting Engineers is a civil engineering and land surveying firm founded in 1984, headquartered in Mesa, Arizona with an additional office in Prescott, Arizona. It provides comprehensive civil engineering and land surveying services to residential, commercial, and industrial clients from concept through construction. The practice employs registered civil engineers, land surveyors, and AutoCAD operators and uses state-of-the-art surveying electronics and CAD software.

WebsitePhone2 offices5 leadersFounded 1984Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Residential SubdivisionsService: Single Residential Custom HomesIndustry: ResidentialIndustry: CommercialType: Civil Engineering+22 more

Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects20 leaders39 credentialsFounded 1954

Project: Route 66 Bridge

Service: Civil EngineeringService: BridgesService: IntersectionsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+33 more

Alliance Technical Group

Decatur, AL

Alliance Technical Group is a full-service environmental services company founded in 2000 in Decatur, Alabama, with over 2,200 employees and more than 60 testing and laboratory locations across the United States and Canada. Alliance helps industrial, manufacturing, energy, and government clients achieve environmental compliance through on-site testing and monitoring, laboratory testing and analysis, and regulatory consulting. The company operates 110-plus mobile laboratories and delivers services across stack testing, LDAR, ambient air monitoring, CEMS, and environmental consulting.

WebsitePhone1 office4 leadersFounded 2000Updated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: Regulatory StrategyService: Compliance AuditsIndustry: IndustrialIndustry: ChemicalsType: Environmental Engineering+19 more

Ambiotec Civil Engineering Group, Inc.

Brownsville, TX

Civil engineering & environmental group

WebsitePhone2 offices7 projects6 leadersFounded 1986Size Estimate: 11-50 employees

Project: Robindale WWTP Rehabilitation and Expansion

Service: Land DevelopmentService: Feasibility studies & site assessmentsService: Master planning and concept plansIndustry: Land DevelopmentIndustry: GovernmentType: Civil Engineering+46 more

American Engineering Consultants, Inc.

Cayce, SC

If It Can Be Done, It Will Be Done

WebsitePhone1 office3 leaders4 credentialsFounded 1994Updated Jun 2026

Service detail: Water

Service: WaterService: Assessment & AnalysisService: Booster Pump StationsIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+57 more

Ancalle Engineers

San Juan, PR

Water | Wastewater | Stormwater

Website1 office9 projects8 leaders1 credentialsFounded 1992Size Estimate: 10-49 employees

Project: Copamarina Beach Resort & Spa WWTP

Service: Water EngineeringService: Filtration/Treatment PlantsService: Distribution SystemsIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+63 more

Anderson Bogert

Marion, IA

Professional and relationship-based civil engineering and surveying.

WebsitePhone2 offices6 leaders5 credentialsFounded 1955Size Estimate: 10-49 employees

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway designService: Stormwater managementIndustry: GovernmentIndustry: ResidentialType: Civil Engineering+26 more

Anderson Design Consultants, Inc.

Mesa, AZ

Fresh ideas from dedicated water and wastewater experts.

WebsitePhone2 offices3 leadersUpdated Jun 2026

Service detail: Wastewater Engineering

Service: Wastewater EngineeringService: Wastewater Treatment DesignService: Wastewater Collection System DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+12 more

Anderson, Eckstein & Westrick, Inc.

Shelby Township, MI

Engineering Strong Communities

WebsitePhone3 offices7 projects5 leadersFounded 1968Size Estimate: 50-199 employees

Project: UCS Henry Ford II High School 2025 Athletic Improvements

Service: ArchitectureService: Municipal & Government FacilitiesService: Recreational & Community CentersIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+28 more

Andrews Engineering Inc.

Springfield, IL

Andrews Engineering Inc. is a full-service, multi-disciplinary engineering organization serving clients in Illinois, Indiana, and Missouri for more than 40 years. Integrity, commitment, and quality are at the core of every engagement, and the firm delivers innovative, practical, and cost-effective solutions across geotechnical, environmental, civil, water resources, and remediation engineering disciplines. Andrews Engineering operates five offices across the Midwest: Springfield and Pontiac and Lombard in Illinois, Indianapolis in Indiana, and Warrenton in Missouri.

WebsitePhone5 officesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Environmental ServicesService: Remediation ServicesIndustry: InfrastructureIndustry: Environmental & RemediationType: Civil Engineering+11 more

Antillean Engineers Inc

St. Croix, VI

Engineering Quality in Every Project

WebsitePhone1 office5 projects2 leaders2 credentialsFounded 1970

Project: Hovensa Coker Plant Expansion & Geodetic Surveys

Service: Civil EngineeringService: Subdivision PlanningService: Highway DesignIndustry: AirportsIndustry: MarineType: Civil Engineering+27 more

Apex Engineering Group

Fargo, ND

Apex Engineering Group brings clarity and confidence to complex engineering projects.

WebsitePhone7 offices11 projects5 leaders18 credentialsFounded 2010

Project: City of Detroit Lakes, MN Municipal Engineering Services

Service: Water EngineeringService: Water wells and intake structuresService: On-site pilot plantsIndustry: GovernmentIndustry: Water ResourcesType: Civil Engineering+83 more

Applemon

New York, NY

Engineers and Scientists

WebsitePhone2 offices22 projects1 credentialsFounded 2002Updated Jun 2026

Project: Infrastructure Upgrade in Coney Island

Service: Structural EngineeringService: Structural DesignService: Plan ModificationsIndustry: InfrastructureIndustry: ResidentialType: Automation & Controls+27 more

Applied Science Inc

Southfield, MI

Solutions to your Challenges

WebsitePhone2 officesFounded 1984Updated Jun 2026

Service detail: Water Resources

Service: Water ResourcesService: Water Supply SystemsService: Meter Data ManagementIndustry: Water ResourcesIndustry: WastewaterType: Civil Engineering+13 more

Applied Science, Inc.

Southfield, MI

Solutions to your Challenges

WebsitePhone2 offices3 leadersFounded 1984Updated Jun 2026

Service detail: Civil and Site Design

Service: Civil and Site DesignService: Site Planning and Subdivision LayoutService: Grading and Roadway DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+36 more