Public engineering firm directory

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2IM Group, LLC

Chicago, IL

2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.

WebsitePhone1 office5 projects

Service: Highways, Roads, and StreetsService: Roadway geometryIndustry: TransportationType: Civil Engineering+31 more

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3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leaders

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportIndustry: TransportationType: Civil Engineering+27 more

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406 Engineering Inc

Kalispell, MT

Work Hard | Work Smart | Enjoy Life

WebsitePhone2 offices18 leaders

Service: Civil EngineeringService: Provides Comprehensive Civil Engineering DesignIndustry: Land DevelopmentType: Civil Engineering+12 more

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A Civil Group, LLC

Columbia, MO

Civil Engineering, Land Planning and Surveying Services for Developers in Columbia, Boone County, and Mid-Missouri

WebsitePhone1 office7 projects

Service: Civil EngineeringService: Land Development for Residential, Commercial and Industrial UsesIndustry: Land DevelopmentType: Civil Engineering+43 more

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A.M. Engineering

Elko, NV

Civil Engineering, Surveying, and Project Management Services in Nevada

WebsitePhone2 offices1 projects

Service: Civil EngineeringService: Streets and Highway DesignIndustry: GovernmentType: Civil Engineering+47 more

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A2H

Memphis, TN

Full service planning and design.

Website5 offices5 projects16 leaders

Service: ArchitectureService: Interior DesignIndustry: HealthcareType: Architecture & Engineering+62 more

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AECOM

AECOM is a trusted global infrastructure firm delivering professional services spanning cities, transportation, buildings, water, new energy, and the environment. Founded in 1990, with predecessor firms dating back over 120 years, AECOM is ranked #1 in general building, transportation, and water by Engineering News-Record (2025), listed at #259 on the Fortune 500, and generated $16.1 billion of revenue in fiscal year 2024. AECOM delivers planning, design, engineering, consulting, and program and construction management services throughout the full project lifecycle.

Website3 credentialsFounded 1990Updated Jun 2026

Service: Planning and DesignService: Program and Construction ManagementIndustry: TransportationType: Architecture & Engineering+15 more

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AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

WebsitePhone3 offices12 projects

Service: ArchitectureService: Architectural Concept DesignIndustry: HealthcareType: Architecture & Engineering+50 more

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AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects

Service: Civil EngineeringService: Transportation DesignIndustry: GovernmentType: Civil Engineering+27 more

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AGDL International, LLC

El Paso, TX

AGDL International is an integrated consulting engineering firm based in El Paso, Texas, serving clients with property and infrastructure interests in the US and Mexico. The team brings extensive cross-border experience applying US and Mexican technical standards - including ASTM, ACI, AISC, ALTA/NSPS, USPAP, NOM, and PROFEPA - across structural, civil, environmental, and land-related projects. Clients span industrial manufacturers, hospitality brands, municipal governments, and school districts.

WebsitePhone1 officeUpdated Jun 2026

Service: Structural DesignService: Design Of Concrete And Steel Structures Of All TypesIndustry: IndustrialType: Civil Engineering+27 more

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AHBL, Inc.

Tacoma, WA

Shaping Stronger Communities

WebsitePhone4 offices14 projects

Service: Civil EngineeringService: Site Development SolutionsIndustry: EducationType: Civil Engineering+43 more

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AIM Engineering & Surveying, Inc.

Fort Myers, FL

Innovative Engineering Solutions Since 1980

WebsitePhone5 offices8 projects

Service: Transportation Engineering & DesignService: RoadwaysIndustry: TransportationType: Transportation Engineering+35 more

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ALC Engineering

Buffalo, WY

More Than Just a Project

WebsitePhone2 officesFounded 2010

Service: Land SurveyingService: GPS and Total Station SurveyingIndustry: Oil & GasType: Civil Engineering+29 more

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ASA Engineering & Consulting, Inc.

Chattanooga, TN

From concept to close-out.

WebsitePhone1 office9 projects

Service: Civil Engineering & Site DesignService: Site Layout, Grading & DrainageIndustry: Land DevelopmentType: Civil Engineering+47 more

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AYCE Consulting Engineers, Inc.

Santa Ana, CA

Large Firm Expertise Small Firm Values

Website1 office1 leadersFounded 2015

Service: Transportation EngineeringService: Complete Street Design (Rural and Urban)Industry: TransportationType: Transportation Engineering+25 more

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Abbie Jones Consulting

Lexington, KY

Planning Solutions for Complex Sites

WebsitePhone3 offices3 leaders

Service: Land SurveyingService: Boundary SurveysIndustry: CommercialType: Civil Engineering+18 more

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Abonmarche Consultants, Inc.

Many Disciplines One Team

Website2 projects10 credentials2 publications

Service: Civil EngineeringService: Stormwater ManagementIndustry: GovernmentType: Architecture & Engineering+59 more

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Accompong Engineering Group, LLC

Accompong Engineering Group, LLC offers civil and transportation engineering, planning, and program and project management services. It works with public and private sector clients, including departments of transportation, municipalities, state and federal agencies, contractors, and consultants.

Website4 projects1 leadersFounded 2009

Service: Planning and EngineeringService: Roadway and Highway DesignIndustry: TransportationType: Civil Engineering+16 more

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Acomb Ostendorf & Associates (AOA)

Winter Park, FL

Immersive Experience Makers: We Bring Stories to Life

WebsitePhone4 offices6 projects

Service: Master Planning and VisioningService: Strategic PlanningIndustry: Arts & CultureType: Architecture & Engineering+61 more

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Acumen Engineering LLC

Projects You Value. Partners You Trust.

Website1 projects3 leaders3 credentials

Service: Civil EngineeringService: Preliminary and Final EngineeringIndustry: GovernmentType: Civil Engineering+53 more

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Advanced Design Engineering and Surveying

Rapid City, SD

Laying the Foundation for Tomorrow

WebsitePhone1 office3 projects

Service: Civil EngineeringService: Urban street improvement plansIndustry: GovernmentType: Civil Engineering+34 more

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Advanced Engineering and Academic Sciences (AEAS)

Denver, CO

Experts in Water Resources Consulting and Engineering

Website1 office2 projects1 leaders

Service: Water Resources EngineeringService: Hydrologic AnalysisIndustry: Water ResourcesType: Water / Wastewater Engineering+33 more

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Advanced Environmental Engineering Inc

Civil, environmental, and municipal engineering solutions

Website3 credentialsUpdated Jun 2026

Service: Integrated Solid Waste ManagementService: Integrated Solid Waste Master PlansIndustry: GovernmentType: Civil Engineering+44 more

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Aeparmia Engineering PLLC

Austin, TX

Innovative Engineering Solutions for Utility Challenges & Needs

WebsitePhone3 offices13 projects

Service: Power and Fiber Utilities EngineeringService: Subsurface Utilities Engineering (SUE)Industry: CommercialType: Civil Engineering+40 more

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