Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

Allender Butzke Engineers Inc.

Urbandale, IA

Solid Relationships. Solid Solutions.

WebsitePhone1 office1 projects1 credentialsFounded 1992Size Estimate: 35-40 employees

Project: Kreg Tool HQ

Service: Geotechnical EngineeringService: Geotechnical Subsurface ExplorationsService: Seismic Site ClassificationIndustry: GovernmentIndustry: EducationType: Civil Engineering+24 more

Alliance Consulting Engineers, Inc.

Columbia, SC

On Time. On Budget. On Your Side.

WebsitePhone5 offices7 leaders6 credentials2 publicationsFounded 2004

Service detail: Civil Engineering

Service: Civil EngineeringService: Land Planning and Site DesignService: Railway DesignIndustry: IndustrialIndustry: InfrastructureType: Civil Engineering+19 more

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 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

Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson Reconstruction

Service: Civil EngineeringService: Site Civil DesignService: Grading, Drainage & Stormwater ManagementIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+30 more

Alta Southwest

Tempe, AZ

Alta Southwest is a multi-discipline engineering and environmental consulting firm with offices in Tempe, Tucson, Florence, and Sierra Vista, Arizona. Alta Southwest provides environmental services, land surveying, geotechnical engineering, construction materials testing, and civil engineering to residential, commercial, government, institutional, and industrial clients throughout the Southwest.

WebsitePhone4 offices3 leadersUpdated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Automotive Shredder Residue (ASR) managementService: Environmental complianceIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+23 more

Altus Engineering

Portsmouth, NH

Altus Engineering is a civil, site planning, and environmental engineering firm established in 1995 and based in Portsmouth, New Hampshire. Altus provides innovative and cost-effective solutions for site, building, environmental, and utility projects, focusing primarily on New Hampshire and southern Maine. The practice serves residential, commercial, municipal, institutional, and industrial clients, tailoring designs to client needs while ensuring regulatory compliance and aesthetic fit with the surrounding environment.

WebsitePhone1 officeFounded 1995Updated Jun 2026

Service detail: Civil & Site Engineering

Service: Civil & Site EngineeringService: Environmental EngineeringService: Utility DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+3 more

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Website22 offices3 projects5 leaders2 credentialsFounded 1976Updated Jun 2026

Project: Minnesota Zoo Treetop Trail

Service: Construction ServicesService: Construction Materials Testing & Special InspectionsService: Construction Materials Testing LaboratoriesIndustry: AgricultureIndustry: CommercialType: Geotechnical Engineering+51 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

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Anderson Psomas

Saratoga Springs, UT

Anderson Psomas is a multi-discipline engineering firm based in Saratoga Springs, Utah, providing civil, structural, environmental, mining, industrial, and energy infrastructure engineering alongside land surveying services. With over 35 years of experience and more than 5,000 completed projects, it navigates complex regulatory requirements and permitting to move clients from concept to construction. Anderson Psomas is licensed in Utah, Idaho, Colorado, Wyoming, New Mexico, Nevada, and Texas.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Residential Subdivisions and Custom HomesService: Septic System DesignIndustry: ResidentialIndustry: MiningType: Civil Engineering+21 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

Animas Environmental Services, LLC

Farmington, NM

Animas Environmental Services, LLC is an environmental engineering and consulting firm based in Farmington, New Mexico, providing comprehensive environmental services throughout the Four Corners region (New Mexico, Colorado, Arizona, Utah) and the Mountain West since 1999. Animas Environmental's multidisciplinary staff includes Professional Environmental Engineers, Professional Geologists, Environmental Scientists, Certified Hazardous Materials Managers, Environmental Technicians, Certified Drinking Water Sampling Technicians, and CAD/GIS Technicians. Animas Environmental offers services ranging from minor project consulting to complete turn-key environmental operations.

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Environmental Permitting & Planning

Service: Environmental Permitting & PlanningService: Environmental Due DiligenceService: Site Assessment, Investigation & RemediationIndustry: Oil & GasIndustry: Environmental & RemediationType: Environmental Engineering+5 more

Antero Group

Chicago, IL

Authentic partnerships are the best way to design and deliver projects that create lasting value.

WebsitePhone4 offices5 projects6 leadersUpdated Jun 2026

Project: Barry County Broadband Assessment and Implementation Plan

Service: Civil EngineeringService: Site DevelopmentService: Construction Engineering and ManagementIndustry: TransportationIndustry: GovernmentType: Civil Engineering+47 more

Apex Companies Llc Or

Rockville, MD

Shaping a safe, sustainable, and equitable future.

Website1 office1 credentialsFounded 1988Updated Jun 2026

Service detail: Health and Safety

Service: EnvironmentalService: Health and SafetyService: Health and Safety TrainingIndustry: AerospaceIndustry: AviationType: Environmental Engineering+43 more

Apex EHS

Apex EHS is an environmental, health, and safety (EHS) consulting and compliance firm incorporated in 2005 and serving businesses across the southeastern United States and 15-plus states. With over 50 years of combined EHS experience on staff, Apex EHS helps clients meet OSHA, EPA, and other regulatory standards through monthly inspections, risk assessments, drone inspections, and environmental project reviews. Apex EHS also provides a digital platform for managing EHS inspections, documents, reports, and training.

WebsiteFounded 2005Updated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: EPA Compliance ConsultingService: Environmental Project ReviewsIndustry: IndustrialIndustry: Oil & GasType: Environmental Engineering+8 more

Arup

We shape a better world

Website19 projects6 leadersUpdated Jun 2026

Project: LGA Delta Terminal C

Service: TransportationService: Airport Design and InfrastructureService: Airport PlanningIndustry: Arts & CultureIndustry: AviationType: Architecture & Engineering+47 more

Associated Design Group Inc

Lafayette, LA

Engineering Excellence. Energy Efficiency. Proven Results.

WebsitePhone3 offices4 projects42 leaders12 credentialsFounded 1981

Project: Caesars Superdome

Service: Mechanical DesignsService: HVAC & Climate ControlService: Plumbing & Piping DesignIndustry: Arts & CultureIndustry: CommercialType: Electrical Engineering+24 more

Associated Engineers, Inc.

Madisonville, KY

Integrity - Experience - Growth, Since 1958

WebsitePhone3 offices5 credentialsFounded 1958Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Selection and DevelopmentService: Single and Multi-Family Residential DevelopmentIndustry: InfrastructureIndustry: MiningType: Civil Engineering+33 more

Atlas Technical Consultants

Denver, CO

Uniting People, Places and Possibilities

Website3 offices4 projects10 leaders3 credentialsSize Estimate: 3,300+ employeesUpdated Jun 2026

Project: Foresthill Bridge Weld Inspections

Service: Testing, Inspection and CertificationService: Pavement TestingService: Weld and Materials InspectionIndustry: InfrastructureIndustry: IndustrialType: Environmental Engineering+18 more

Aviles Engineering Corporation

Houston, TX

45 years of excellence

WebsitePhone1 office3 leadersSize Estimate: 50+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical ExplorationService: Foundation EngineeringIndustry: InfrastructureIndustry: CommercialType: Geotechnical Engineering+12 more

BC Engineering Group, Inc.

Santa Rosa, CA

A New Era of Civil Engineers

WebsitePhone1 office1 projects1 leaders1 credentialsSize Estimate: 10-49 employees

Project: VA Outpatient Clinic

Service: Civil EngineeringService: Grading and DrainageService: Roadway and Utility DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+27 more

BECC, Inc.

Birmingham, AL

Your Partner in Geotechnical & Environmental Engineering

WebsitePhone1 office3 leaders4 credentialsFounded 1992Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Exploration & InvestigationService: Shallow Foundation DesignIndustry: Environmental & RemediationIndustry: TransportationType: Geotechnical Engineering+32 more