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

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

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. 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

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

ABES Engineering, Inc.

Memphis, TN

Engineering with Soul

Website3 offices2 projects2 leaders7 credentialsFounded 2015Size Estimate: 17 employees

Project: Historic Orange Mound Neighborhood Infrastructure

Service: Water and Wastewater EngineeringService: Sanitary designService: Sewer assessment and rehabilitationIndustry: GovernmentIndustry: FederalType: Civil Engineering+22 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

AIG Technical Services, LLC

Houston, TX

AIG Technical Services, LLC is a Houston-based engineering consulting practice specializing in transportation infrastructure. It offers a multi-disciplinary blend of planning, engineering, and program management services for various transportation projects, ranging from local improvements to large-scale corridor developments across Texas. The practice focuses on delivering cost-effective and safe solutions by collaborating closely with public agency clients to address complex engineering and planning challenges.

WebsitePhone2 offices6 projects5 leaders9 credentialsUpdated Jun 2026

Project: SH 146 Ferry Road to I-10 Schematic and Environmental Study

Service: Transportation PlanningService: Formulates Long-term StrategiesService: Corridor Concepts For Multimodal Transportation NetworksIndustry: Highways & RoadsIndustry: TransitType: Civil Engineering+16 more

ATOKA, Inc.

Hot Springs, AR

Engineering and Environmental Consultants

WebsitePhone2 offices1 projects7 leadersFounded 1994Updated Jun 2026

Project: ATOKA Bioremediation Project

Service: Civil EngineeringService: Strategic Planning and Land UseService: Infrastructure DevelopmentIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+42 more

AULtec, Inc.

Gaithersburg, MD

Professional Civil Engineering and Land Surveying Services

Website1 office5 projects2 leaders7 credentialsFounded 1994Size Estimate: 10-49 employees

Project: Pre-stressed Concrete Slab Bridge No. 10172 Replacement

Service: Civil EngineeringService: Site & Land DevelopmentService: Hydrology & Stormwater ManagementIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+19 more

Abbie Jones Consulting

Lexington, KY

Planning Solutions for Complex Sites

WebsitePhone3 offices3 leadersFounded 2011Size Estimate: 11 employeesUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveysService: Topographic SurveysIndustry: CommercialIndustry: IndustrialType: Civil Engineering+16 more

Accelerate Engineering, LLC

Houston, TX

Crafting sustainable solutions that enrich lives

WebsitePhone1 office2 leadersFounded 2022Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway DesignService: Traffic EngineeringIndustry: TransportationIndustry: WastewaterType: Civil Engineering+22 more

Acme Engineering, LLC

Edgewood, NM

Professional civil engineering services in New Mexico and Arizona

WebsitePhone1 office1 projects2 leadersFounded 2024Updated Jun 2026

Project: Moenkopi Wash Drainage Improvements Project

Service: Water Supply and Water ResourcesService: Water Supply and Distribution NetworksService: Flood Management and ControlIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+27 more

Advanced Engineering and Academic Sciences (AEAS)

Denver, CO

Experts in Water Resources Consulting and Engineering

Website1 office2 projects1 leadersUpdated Jun 2026

Project: Railroad Embankment Failure Forensic Analysis

Service: Water Resources EngineeringService: Hydrologic AnalysisService: Hydraulic AnalysisIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Water / Wastewater Engineering+31 more

Advanced Environmental Engineering Inc

Civil, environmental, and municipal engineering solutions

Website3 credentialsUpdated Jun 2026

Service detail: Integrated Solid Waste Management

Service: Integrated Solid Waste ManagementService: Integrated Solid Waste Master PlansService: Facility SitingIndustry: GovernmentIndustry: Waste ManagementType: Civil Engineering+42 more

Agility Engineering

Houston, TX

Delivering public infrastructure efficiently, economically, and sustainably.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Construction DesignService: Hydraulic and Hydrology ModelingIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+23 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

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

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, Inc.

Engineering Excellence, Driven by Veterans

Website2 projectsFounded 2021Updated Jun 2026

Project: Bonicia Park Land Surveying

Service: SurveyingService: Boundary & ALTA SurveysService: Topographic SurveysIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+17 more

American Infrastructure Development, Inc.

Tampa, FL

Innovative Architectural and Engineering Solutions

WebsitePhone7 offices11 projects6 leadersFounded 2009Updated Jun 2026

Project: Henry E. Rohlsen International Airport (STX) - Terminal Improvements, Phase 1

Service: ArchitectureService: Airport Terminals, FBOs, and GA FacilitiesService: Hotels, Administrative Offices, and Public-Use BuildingsIndustry: AviationIndustry: AirportsType: Architecture & Engineering+26 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

Anez Consulting Inc.

Willmar, MN

Grow Your Agribusiness. Reduce Your Stress.

WebsitePhone1 office2 projects1 leaders1 credentialsUpdated Jun 2026

Project: DairyRidge Permitting and Compliance Support

Service: Civil and Agricultural EngineeringService: Animal Housing DesignService: Manure Handling and StorageIndustry: AgricultureIndustry: Food & BeverageType: Civil Engineering+24 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