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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ATALA ECR, Inc.

El Cajon, CA

Staffing - Construction - Remediation

WebsitePhone1 office1 credentials
Service: Project StaffingService: Construction SuperintendentsIndustry: FederalType: Environmental Engineering+26 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

Accumark, Inc.

Accurate Subsurface Utility Provider

WebsiteUpdated Jun 2026
Service: Subsurface Utility Designation and MappingService: Utility owner identification and contactIndustry: InfrastructureType: Civil Engineering+9 more

Accurate Infrastructure Data, Inc.

We Build Confidence.

Website1 projects5 credentialsFounded 2005
Service: Subsurface Utility EngineeringService: Utility Records ResearchIndustry: GovernmentType: Land Surveying+14 more

Acres LLC

West Norriton, PA

Utility Engineering & Infrastructure Design

Website1 office1 leadersFounded 2022
Service: Utility Engineering DesignService: Water Distribution Infrastructure DesignIndustry: UtilitiesType: Civil Engineering+17 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

Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

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

Advanced Geotechnical Engineering LLC

Pearl City, HI

Building Our World on Solid Foundations

WebsitePhone1 office5 projects
Service: Soil InvestigationService: Subsurface InvestigationIndustry: CommercialType: Geotechnical Engineering+30 more

Advanced Infrastructure Design, Inc.

Hamilton, NJ

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.

Website2 offices1 leadersFounded 1998
Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingIndustry: GovernmentType: Civil Engineering+59 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects
Service: Transportation EngineeringService: Highway and Traffic EngineeringIndustry: TransportationType: Civil Engineering+28 more

Affinis

Overland Park, KS

Civil Engineering and Surveying for the Kansas City Region

WebsitePhone1 office4 projects
Service: Roadway EngineeringService: Residential Street DesignIndustry: GovernmentType: Civil Engineering+31 more

Afridi Associates

Afridi Associates provides professional consulting engineering services specializing in transportation infrastructure, public buildings, and geotechnical engineering. It delivers solutions for highways, bridges, rail systems, airport terminals, and waterfront structures across the northeastern United States.

Website10 projectsUpdated Jun 2026
Service: Building and Airport TerminalsService: Provides Engineering DesignIndustry: GovernmentType: Civil Engineering+56 more

Aimright Testing & Engineering

Tulsa, OK

Communicating With Technical Accuracy About Your Project So You Can Proceed With Confidence

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Standard Penetration TestingIndustry: EducationType: Geotechnical Engineering+32 more

All-Terra Engineering, Inc.

Houston, TX

All-Terra Engineering, Inc. is a full-service construction materials testing (CMT) and geotechnical engineering laboratory based in Houston, Texas, founded in 2006 by President Haddis Tewolde, P.E. Backed by a senior team with more than 50 years of combined experience, All-Terra operates an A2LA-accredited laboratory and serves public agencies, developers, contractors, and universities across the Greater Houston area. Core services include construction materials testing, geotechnical engineering, and forensic evaluation of concrete.

WebsitePhone1 office1 leaders
Service: Construction Materials Testing (CMT)Service: Concrete TestingIndustry: GovernmentType: Geotechnical Engineering+31 more

Allender Butzke Engineers Inc.

Urbandale, IA

Solid Relationships. Solid Solutions.

WebsitePhone1 office1 projects
Service: Geotechnical EngineeringService: Geotechnical Subsurface ExplorationsIndustry: GovernmentType: Civil Engineering+26 more

Alliance Geotechnical Group, Inc.

Dallas, TX

Accredited Laboratory Testing.

WebsitePhone6 offices21 leaders
Service: Geotechnical EngineeringService: Subsurface ExplorationIndustry: GovernmentType: Geotechnical Engineering+37 more

Alpha Geotechnical & Materials, Inc.

Tempe, AZ

Alpha Geotechnical & Materials, Inc. is a Tempe, Arizona-based consulting practice founded in 1998, specializing in geotechnical and environmental engineering, geological services, construction inspections, and materials testing. It serves public and private clients on projects ranging from single commercial pads to large master-planned communities across the Phoenix metro area, delivering timely, accurate, and cost-effective field and laboratory testing.

WebsitePhone1 office18 projects
Service: Geotechnical EngineeringService: Subsurface Site InvestigationIndustry: CommercialType: Geotechnical Engineering+94 more

Alpha Geotechnical and Testing Services, Inc.

Tallahassee, FL

Geotechnical Engineering and Soil Testing

WebsitePhone1 officeFounded 1998
Service: Geotechnical EngineeringService: Foundation EvaluationsIndustry: ResidentialType: Geotechnical Engineering+10 more

Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects
Service: Civil EngineeringService: Site Civil DesignIndustry: InfrastructureType: Civil Engineering+32 more

Alvi Associates, Inc.

Towson, MD

Founded in 1979, Alvi Associates provides integrated multidisciplinary engineering services across structural, water resources, transportation, and geotechnical engineering for complex infrastructure projects. Based in Towson, Maryland, the practice has earned numerous national and state engineering awards and is recognized for first-of-its-kind solutions in the Mid-Atlantic region and beyond. Nearly all clients are repeat clients, reflecting decades-long relationships with government agencies, engineering consultants, law practices, and contractors.

WebsitePhone1 office8 projects
Service: Transportation StructuresService: Bridge Design and Superstructure ReplacementIndustry: Highways & RoadsType: Civil Engineering+47 more

Amarillo Testing & Engineering, Inc.

Amarillo, TX

Geotechnical engineering, structural design, and construction materials testing in the Texas Panhandle

WebsitePhone2 offices4 projects
Service: Geotechnical EngineeringService: Subsurface ExplorationIndustry: GovernmentType: Geotechnical Engineering+20 more

Ambiotec Civil Engineering Group, Inc.

Brownsville, TX

Civil engineering & environmental group

WebsitePhone2 offices7 projects
Service: Land DevelopmentService: Feasibility studies & site assessmentsIndustry: Land DevelopmentType: Civil Engineering+48 more

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Website22 offices3 projects5 leaders
Service: Construction ServicesService: Construction Materials Testing & Special InspectionsIndustry: AgricultureType: Geotechnical Engineering+53 more