Public engineering firm directory

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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

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

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

Arceneaux Wilson & Cole LLC

Port Arthur, TX

Create. Build. Sustain.

WebsitePhone1 office5 leaders16 credentialsFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Water supply, treatment, storage, and distributionService: Wastewater collection, treatment, and disposalIndustry: GovernmentIndustry: TransportationType: Civil Engineering+38 more

Austin Engineering Co Inc Il

Peoria, IL

Austin Engineering provides professional Civil engineering consulting and professional land surveying services across several states. AECI was established in 1937 and incorporated in 1947 and has played an integral role in the development of the Greater Peoria area for almost eight decades. Licensed in several states across the country, our clientele includes a diverse group of public and private clients, as well as architects and fellow engineers. The projects we complete are on a variety of budgets, including lump sum contracts, cost-plus, not-to-exceed, and on hourly basis.

Website3 offices1 leaders9 credentialsFounded 1937Updated Jun 2026

Service detail: Land Surveying Services

Service: Civil Engineering and Land DevelopmentService: Land Surveying ServicesService: Property Boundary SurveysIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+16 more

CLA Engineers, Inc.

Norwich, CT

CLA Engineers, Inc. is a consulting engineering firm incorporated in 1984 and headquartered in Norwich, Connecticut. CLA specializes in all aspects of civil engineering and provides civil, structural, geotechnical, inspection, and surveying services to private, institutional, public, commercial, and industrial clients throughout Eastern Connecticut and New England. Its team of principals and staff takes projects from the conceptual and planning stages through design and completed construction. CLA also serves as on-call Town Engineers for several municipalities in Eastern Connecticut, assisting Selectmen, Boards, Commissions, and Public Works Departments. In-house capabilities extend to land surveying and subdivision design, GPS/GIS data collection, marine and dock engineering, bridge rehabilitation and construction, and inspection and testing of construction materials. CLA Engineers, Inc. is a corporate member of the U.S. Green Building Council.

WebsitePhone1 office5 leaders21 credentialsFounded 1984Updated Jun 2026

Service detail: Civil Site Engineering

Service: Civil Site EngineeringService: Structural EngineeringService: Geotechnical EngineeringIndustry: GovernmentIndustry: CommercialType: Civil Engineering+22 more

Dennis Engineering Company

Albuquerque, NM

Serving New Mexico Communities for Over 50 Years

Website2 officesUpdated Jun 2026

Service detail: Water Infrastructure

Service: Water InfrastructureService: Water SupplyService: Water TransmissionIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+28 more

Engineers Surveyors Hawaii, Inc.

Honolulu, HI

Professional Civil Engineering, Land Surveying, and Construction Management

WebsitePhone1 office12 leaders6 credentialsFounded 1964Size Estimate: 11-50 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Land SurveyingService: Professional BoundaryIndustry: GovernmentIndustry: CommercialType: Civil Engineering+8 more

Hansen, Allen & Luce, Inc.

South Jordan, UT

Innovative Water Solutions

Website1 office4 projects5 leaders14 credentials4 publicationsFounded 1974

Project: Provo River Diversion Rehabilitation

Service: Water Supply EngineeringService: Drinking Water System Master PlanningService: Water Distribution System DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+34 more

JDH Corrosion Consultants, Inc.

Protecting the Infrastructure Through Innovative Corrosion Engineering Solutions

Website6 leaders10 credentialsFounded 1995Size Estimate: 10-30 employeesUpdated Jun 2026

Service detail: Field Investigation and Analysis

Service: Field Investigation and AnalysisService: Condition AssessmentsService: Soil and Corrosivity TestingIndustry: Water SupplyIndustry: WastewaterType: Materials Engineering+21 more

James DeOtte Engineering Inc.

Fort Worth, TX

Teamwork, Integrity and Consistency since 2005

WebsitePhone1 office1 leaders20 credentialsFounded 2005Size Estimate: 1-9 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Water and Wastewater SystemsService: Sanitary Sewer DesignIndustry: UtilitiesIndustry: Water SupplyType: Civil Engineering+23 more

L2 Engineering D.P.C.

Derby, NY

L2 Engineering D.P.C. provides water and wastewater engineering solutions, with recommendations tailored to balance technical requirements, regulatory compliance, budget limitations, and operational concerns. The practice serves municipal and industrial clients, as well as prime consulting engineering firms, by delivering practical evaluations, designs, and reports.

WebsitePhone1 office5 projects1 leaders5 credentialsUpdated Jun 2026

Project: Sewer System Evaluation Survey Engineering Report

Service: Water and Wastewater EngineeringService: Water Resources EngineeringService: Treatment Feasibility Studies and DesignIndustry: WastewaterIndustry: Water SupplyType: Water / Wastewater Engineering+12 more

Ladd Engineering, Inc.

Lebanon, IN

Ladd Engineering, Inc. (LEI) is a consulting civil engineering firm in Lebanon, Indiana, dedicated to planning, design, and construction engineering for wastewater, water, stormwater, and site development projects. LEI has extensive experience with the grant and low-interest loan programs used to finance municipal infrastructure projects, and delivers experienced engineering and consulting services for both private sector and municipal clients.

WebsitePhone1 office1 leaders8 credentialsFounded 2000Updated Jun 2026

Service detail: Wastewater Engineering

Service: Wastewater EngineeringService: Wastewater Treatment, Collection, and Conveyance - Planning, Design, and Construction AdministrationService: On-Site Wastewater Treatment and Disposal DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+16 more

Nelson Engineering

Jackson, WY

Quality of Life Through Excellence in Engineering

WebsitePhone3 offices6 projects6 credentialsFounded 1964Size Estimate: 40-60 employees

Project: Teton Village Wastewater Treatment Plant

Service: Civil EngineeringService: Civil engineering services for publicService: Private clients on municipalIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+68 more

RH2 Engineering, Inc.

Bothell, WA

Empowering People Through Engineering Excellence

WebsitePhone1 office11 credentialsFounded 1978Size Estimate: 150+ employeesUpdated Jun 2026

Service detail: Water

Service: WaterService: WastewaterService: Electrical, SCADA & ControlsIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+13 more

Triad Associates, Inc.

Indianapolis, IN

Engineering • Architecture

WebsitePhone2 offices3 projects2 leaders22 credentialsFounded 1975

Project: Galveston Water Treatment Plant

Service: Civil EngineeringService: Water Supply EngineeringService: Water Treatment PlantsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+35 more

W. Gilbert Engineering

Chico, CA

Civil Engineer and Land Surveyor in Chico, CA

WebsitePhone1 office7 projects1 leaders9 credentialsFounded 2012

Project: Eaton Road Extension

Service: Civil EngineeringService: Street and Roadway DesignService: Storm Drain and Sanitary Sewer SystemsIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+21 more

WATEK Engineering Corporation

Gaithersburg, MD

Membrane Facility Engineering is All That We Do!

WebsitePhone1 office1 leaders3 credentialsFounded 1995Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Membrane EngineeringService: Water TreatmentIndustry: UtilitiesIndustry: Water SupplyType: Water / Wastewater Engineering+7 more