Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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3-Tier Alaska

Fairbanks, AK

Civil & Environmental Engineering, Surveying

WebsitePhone3 officesUpdated Jun 2026
Service: Civil EngineeringService: Septic System Design and TestingIndustry: ResidentialType: Civil Engineering+21 more

A&E Engineering and Surveying

Pocatello, ID

See it. Solve it. Stand by it.

WebsitePhone1 office2 leaders
Service: Civil EngineeringService: Land Development and Site DesignIndustry: Land DevelopmentType: Civil Engineering+30 more

A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects
Service: PowerService: Substation DesignIndustry: Electric UtilitiesType: Civil Engineering+21 more

AAI Environmental Corporation

Ashland City, TN

Professional environmental site assessments and due diligence services nationwide

WebsitePhone1 office6 projects
Service: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site AssessmentIndustry: CommercialType: Environmental Engineering+36 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects
Service: Land PlanningService: Zoning StudiesIndustry: GovernmentType: Civil Engineering+84 more

ACM Engineering & Environmental Services, Inc.

South Bend, IN

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Website4 offices5 credentialsFounded 1988
Service: Asbestos ServicesService: Asbestos surveys and inspections by licensed inspectorsIndustry: ResidentialType: Environmental Engineering+44 more

ACS Services, LLC

Mesa, AZ

Geotechnical engineering, material testing, special inspections, and drilling services in Arizona

WebsitePhone1 office2 leaders
Service: Geotechnical EngineeringService: Construction Materials TestingIndustry: InfrastructureType: Geotechnical Engineering+24 more

AGPROfessionals

Greeley, CO

Professional problem-solvers achieving clients' goals and advocating their success

WebsitePhone2 offices4 projects
Service: Agricultural EngineeringService: Site SelectionIndustry: AgricultureType: Civil Engineering+57 more

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

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026
Service: Environmental ServicesService: Environmental Impact AssessmentIndustry: Land DevelopmentType: Civil Engineering+52 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996
Service: Civil EngineeringService: Site Design & GradingIndustry: InfrastructureType: Civil Engineering+37 more

AOK Engineering, PLLC

Gouverneur, NY

From Start-to-Finish with Real People in Mind

WebsitePhone1 officeUpdated Jun 2026
Service: Civil EngineeringService: New Parcel InvestigationIndustry: ResidentialType: Civil Engineering+33 more

AP Engineering & Consulting, Inc.

Greenfield, IN

AP Engineering & Consulting, Inc. (APEC) is a full-service geotechnical engineering, environmental consulting, compliance management, and construction materials testing firm based in Greenfield, Indiana. APEC's team of licensed professional engineers, geologists, and scientists delivers quality, efficient, and value-added solutions for commercial, residential, and municipal projects. Its INDOT-prequalified and AASHTO-certified in-house laboratory supports construction materials testing in accordance with ASTM and AASHTO standards.

WebsitePhone1 office3 credentials
Service: Geotechnical EngineeringService: Subsurface ExplorationsIndustry: CommercialType: Geotechnical Engineering+39 more

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects
Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementIndustry: CommercialType: Automation & Controls+54 more

AS Engineering and Consulting, LLC

Marietta, GA

Value engineering to build a safer tomorrow.

WebsitePhone1 office1 leaders
Service: Geotechnical and Geological StudiesService: Subsurface Soil ExplorationIndustry: Land DevelopmentType: Geotechnical Engineering+20 more

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

ASA Engineering & Surveying, LLC

Valdosta, GA

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

WebsitePhone1 office3 leaders
Service: Civil EngineeringService: Transportation InfrastructureIndustry: CommercialType: Civil Engineering+22 more

ATOKA, Inc.

Hot Springs, AR

Engineering and Environmental Consultants

WebsitePhone2 offices1 projects
Service: Civil EngineeringService: Strategic Planning and Land UseIndustry: Environmental & RemediationType: Civil Engineering+44 more

Aaron Swan & Associates, Inc.

Pierre, SD

Unwavering Quality. Reliable Results.

WebsitePhone4 offices7 projects
Service: Civil Design and EngineeringService: Site Master Planning and LayoutIndustry: WastewaterType: Materials Testing+33 more

Abi Engineering Consultants Inc

Santa Ana, CA

Geotechnical, Civil, and Structural Engineering Across California and the Western States

WebsitePhone1 office10 projects
Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationIndustry: CommercialType: Civil Engineering+41 more

Acorn Engineering, Inc.

Portland, ME

Civil Engineering, Surveying, and Landscape Architecture in Maine

WebsitePhone3 offices3 projects
Service: Civil EngineeringService: Site Development DesignIndustry: ResidentialType: Civil Engineering+40 more

Adams Environmental Engineering Group, LLC

Pasadena, MD

Adams Environmental Engineering Group (AEEG) is a full-service environmental engineering and contracting firm based in the Mid-Atlantic region, providing consulting, design, remediation, and site assessment services for commercial, industrial, and residential clients. AEEG holds Professional Engineering licenses in Maryland, the District of Columbia, Virginia, and 11 additional states, bringing more than 20 years of experience to environmental projects throughout the region.

WebsitePhone1 officeUpdated Jun 2026
Service: Environmental Site AssessmentsService: Phase I environmental site assessmentsIndustry: Environmental & RemediationType: Environmental Engineering+36 more

Adams, Rehmann & Heggan Associates, Inc.

Hammonton, NJ

You See Us Every Day

Website1 office1 projects10 leaders
Service: Civil and Municipal EngineeringService: Road and Infrastructure DesignIndustry: GovernmentType: Civil Engineering+40 more

Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

WebsitePhone1 office3 projects
Service: Civil EngineeringService: Site DevelopmentIndustry: EducationType: Civil Engineering+42 more