ADV-SOC, Inc.
San Diego, CAMission-Driven.
WebsitePhone1 office9 projects
Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsIndustry: FederalType: Architecture & Engineering+41 more
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AE2S
Bismarck, NDEmpowering People. Enhancing Lives.
Website22 offices6 leadersFounded 1991
Service: Water and Wastewater EngineeringService: WaterIndustry: Automation & ControlsType: Civil Engineering+31 more
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
AED Energy Services
Wyomissing, PADesigning America's Energy Lifelines
WebsitePhone4 offices9 leaders
Service: Chemical and Process DesignService: Documentation and AnalysisIndustry: Oil & GasType: Chemical Engineering+66 more
AEG - A SOCOTEC Company
Mechanicsburg, PAEngineering, Surveying, and Inspections
WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignIndustry: TransportationType: Geotechnical Engineering+66 more
AENY Engineering P.C.
Northport, NYCost Effective Engineering
WebsitePhone2 officesUpdated Jun 2026
Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportIndustry: AirportsType: Naval Architecture+29 more
AESCO, Inc.
Huntington Beach, CABuilding America from the ground up since 1993
WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationIndustry: CommercialType: Geotechnical Engineering+27 more
AET Inc.
AET Inc. is an environmental testing, consulting, and investigative firm with over 30 years of experience and more than 50,000 completed projects. Serving Pennsylvania, New Jersey, and Delaware, AET Inc. specializes in lead, asbestos, mold, indoor air quality, industrial hygiene, environmental contracting, and environmental consulting. AET's certified environmental professionals deliver fast turnaround reporting to protect people, properties, and communities.
WebsiteUpdated Jun 2026
Service: Lead Testing and ConsultingService: Asbestos Testing and ConsultingIndustry: CommercialType: Environmental Engineering+7 more
AGDL International, LLC
El Paso, TXAGDL 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
AGPROfessionals
Greeley, COProfessional problem-solvers achieving clients' goals and advocating their success
WebsitePhone2 offices4 projects
Service: Agricultural EngineeringService: Site SelectionIndustry: AgricultureType: Civil Engineering+57 more
AGS, Inc.
San Francisco, CAEnhancing communities and the built environment.
WebsitePhone2 offices6 projects
Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyIndustry: AirportsType: Geotechnical Engineering+42 more
AIM Engineering & Surveying, Inc.
Fort Myers, FLInnovative Engineering Solutions Since 1980
WebsitePhone5 offices8 projects
Service: Transportation Engineering & DesignService: RoadwaysIndustry: TransportationType: Transportation Engineering+35 more
AIMS Group, Inc.
Metairie, LAYour Partner for Professional Engineering Consulting
WebsitePhone2 offices14 projects
Service: Civil EngineeringService: Streets and RoadwaysIndustry: GovernmentType: Civil Engineering+34 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, ORPractical Solutions. Designed to Last.
WebsitePhone1 officeFounded 1996
Service: Civil EngineeringService: Site Design & GradingIndustry: InfrastructureType: Civil Engineering+37 more
ALC Engineering
Buffalo, WYMore Than Just a Project
WebsitePhone2 officesFounded 2010
Service: Land SurveyingService: GPS and Total Station SurveyingIndustry: Oil & GasType: Civil Engineering+29 more
ALLWEST Testing & Engineering
Delivering quality solutions - by providing service through integrity
Website1 credentialsUpdated Jun 2026
Service: Geotechnical EngineeringService: Environmental ConsultingIndustry: AerospaceType: Environmental Engineering+27 more
AMC Engineering, PLLC
Queens, NYExperts in Environmental Services
Website2 officesUpdated Jun 2026
Service: Environmental Engineering ConsultingService: Phase I Environmental Site AssessmentsIndustry: Environmental & RemediationType: Environmental Engineering+18 more
AMI Consulting Engineers P.A.
Superior, WIThe Right Solutions Focused on You
WebsitePhone3 offices2 projects
Service: Ports and HarborsService: Waterfronts and MarinasIndustry: GovernmentType: Civil Engineering+20 more
AOK Engineering, PLLC
Gouverneur, NYFrom Start-to-Finish with Real People in Mind
WebsitePhone1 officeUpdated Jun 2026
Service: Civil EngineeringService: New Parcel InvestigationIndustry: ResidentialType: Civil Engineering+33 more
APS Engineering and Testing
Baton Rouge, LAAPS Lays the Foundation for a Better World
WebsitePhone2 offices1 leaders
Service: Geotechnical EngineeringService: Subsurface InvestigationIndustry: InfrastructureType: Civil Engineering+24 more
ARM Group LLC
Hummelstown, PAPrecise. Responsive. Solutions.
WebsitePhone1 office1 projects
Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementIndustry: CommercialType: Automation & Controls+54 more
ARRO Consulting, Inc.
Lititz, PAYour trusted partner for municipal engineering.
WebsitePhone13 offices8 projects
Service: Civil & MunicipalService: Appointed Engineer representationIndustry: GovernmentType: Civil Engineering+52 more
AS Engineering and Consulting, LLC
Marietta, GAValue engineering to build a safer tomorrow.
WebsitePhone1 office1 leaders
Service: Geotechnical and Geological StudiesService: Subsurface Soil ExplorationIndustry: Land DevelopmentType: Geotechnical Engineering+20 more