Public engineering firm directory

Find engineering consulting firms by capability and location.

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2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders4 credentialsFounded 1979Updated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Site Drainage and Grading PlansService: Stormwater Pollution Prevention PlansIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+48 more

3D Design & Engineering

Houston, TX

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

WebsitePhone1 office4 projects2 leaders3 credentialsUpdated Jun 2026

Project: Superbowl LI Cellular Network Modifications

Service: A&E ServicesService: Site Feasibility StudiesService: Erosion and Sediment Control PlanningIndustry: Oil & GasIndustry: TelecommunicationsType: Architecture & Engineering+30 more

3J Consulting, Inc.

Your Partner in Civil Engineering & Community Planning

Website8 projects6 leaders6 credentialsFounded 2009Updated Jun 2026

Project: Sandy Vision and Comprehensive Plan

Service: Civil EngineeringService: Grading & DrainageService: Utility DesignIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+39 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Air Quality and Environmental Compliance

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportService: Regulatory Review and ComplianceIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+25 more

406 Engineering Inc

Kalispell, MT

Work Hard | Work Smart | Enjoy Life

WebsitePhone2 offices18 leadersFounded 2018Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Provides Comprehensive Civil Engineering DesignService: Focusing On Individual Rural SystemsIndustry: Land DevelopmentType: Civil Engineering+11 more

4Creeks, Inc.

Honest, Authentic Solutions

WebsiteSize Estimate: 100-500 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Civil EngineeringService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+10 more

4D Site Solutions Inc.

Fayetteville, NC

On time, every time.

WebsitePhone1 officeFounded 2002Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Erosion Control DesignService: Grading and Drainage DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+12 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

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsService: Sewer System Flow MonitoringIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+19 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

66 ENG GROUP

Sapulpa, OK

Empowering people and their projects to thrive.

WebsitePhone2 offices5 leadersFounded 2021Updated Jun 2026

Service detail: Civil Engineering Design

Service: Civil Engineering DesignService: Practical Civil Engineering Solutions Covering Grading And DrainageService: UtilitiesIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+31 more

7 Oaks Engineering

Silverton, OR

Harmonizing the built environment with the natural.

WebsitePhone2 offices4 leaders3 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Due Diligence and Feasibility StudiesService: Entitlement and Conceptual DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+24 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

A&E Engineering and Surveying

Pocatello, ID

See it. Solve it. Stand by it.

WebsitePhone1 office2 leaders3 credentialsFounded 1998Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land Development and Site DesignService: Water Resources and HydraulicsIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+28 more

A&Z Engineering

Fort Wayne, IN

Your Engineering Solutions... Start to Finish.

WebsitePhone2 offices4 leadersFounded 2005Updated Jun 2026

Service detail: Roadway, Highway, and Intersection Improvements

Service: Roadway, Highway, and Intersection ImprovementsService: Construction InspectionService: Trails and SidewalksIndustry: GovernmentIndustry: TransportationType: Civil Engineering+13 more

A.D.A. Engineering, Inc.

Doral, FL

Applying the Latest Technology

WebsitePhone2 offices1 credentialsFounded 1981Size Estimate: 25-100 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land/Site DevelopmentService: Canal Bank StabilizationIndustry: WastewaterIndustry: Water SupplyType: Civil Engineering+40 more

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects1 leadersFounded 1974Updated Jun 2026

Project: Passamaquoddy Water Treatment Plant

Service: EngineeringService: Water Systems DesignService: Wastewater Systems DesignIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+31 more

A.J. Adam Engineering, LLC

Towson, MD

Quality MEP Engineering Services You Can Trust

WebsitePhone1 officeFounded 2011Updated Jun 2026

Service detail: MEP Engineering Design

Service: MEP Engineering DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: Senior LivingType: MEP+44 more

A.M. Engineering

Elko, NV

Civil Engineering, Surveying, and Project Management Services in Nevada

WebsitePhone2 offices1 projects2 credentialsUpdated Jun 2026

Project: NGM Cortez Hills Underground and Goldrush Master Survey Control Networks

Service: Civil EngineeringService: Streets and Highway DesignService: Aviation InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects1 credentialsFounded 1993Updated Jun 2026

Project: WMATA Bus System Renovations

Service: Land PlanningService: Zoning StudiesService: Land Use Feasibility StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+82 more

ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Civil and Infrastructure Engineering

Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignService: Site Master PlanningIndustry: CommercialIndustry: IndustrialType: Civil Engineering+38 more

ABNA Engineering, Inc.

St. Louis, MO

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

WebsitePhone3 offices4 projects11 leaders3 credentialsFounded 1994

Project: Washington Avenue Streetscape Project

Service: Civil EngineeringService: Water Resources EngineeringService: Municipal UtilitiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+41 more

ACT Engineers, Inc.

Robbinsville, NJ

Civil, Coastal, and Environmental Engineering and Consulting Practice

WebsitePhone3 offices5 projects8 leaders6 credentialsFounded 1991

Project: Arney's Mount West Trail

Service: Civil/Site EngineeringService: Coastal EngineeringService: Flooding and ResiliencyIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+28 more

ADCOMM Engineering LLC

Woodinville, WA

We Bridge The Gap Between Operations and Technology.

WebsitePhone2 offices1 credentialsUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Public Safety Systems EngineeringService: Communications Network DesignIndustry: Public SafetyIndustry: GovernmentType: Owner's Engineer+30 more