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 projects8 leadersFounded 2005Updated Jun 2026
Project: O'Hare Terminal 3, Concourse L Expansion
Service: Highways, Roads, and StreetsService: Roadway geometryService: Drainage systemsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+29 more
Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+64 more
WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026
Service detail: Civil Engineering
Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more
Geotechnical, Civil, and Structural Engineering Across California and the Western States
WebsitePhone1 office10 projects2 leadersFounded 2004Updated Jun 2026
Project: LA Metro Gold Line - MSE Wall
Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationService: Foundation Design and Lateral Earth Pressure AnalysisIndustry: CommercialIndustry: IndustrialType: Civil Engineering+39 more
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.
Angle Engineering is a geotechnical engineering, environmental services, special inspection, and construction materials testing firm based in Las Vegas, Nevada, serving residential, commercial, and public-sector clients throughout Nevada. The practice employs registered Geological Engineers and Civil Engineers and operates an AASHTO-accredited in-house laboratory for materials testing. Angle Engineering has extensive experience with challenging Nevada soil and groundwater conditions including collapsible silts, expansive clays, caliche, cemented materials, and hillside sites.
Website6 leadersSize Estimate: 100-200 employeesUpdated Jun 2026
Service detail: Civil Engineering and Site Development
Service: Civil Engineering and Site DevelopmentService: Site planningService: GradingIndustry: GovernmentIndustry: TransportationType: Civil Engineering+38 more
Service: Environmental ServicesService: Phase I Environmental Site AssessmentService: Phase II Environmental Site AssessmentIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+94 more
Website7 offices12 leaders1 credentialsFounded 1983Size Estimate: 250-499 employeesUpdated Jun 2026
Service detail: Municipal Engineering Services
Service: Municipal Engineering ServicesService: Municipal Project Planning & RepresentationService: Construction Management & Site ObservationIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+30 more
Engineering consultants and field technicians providing geotechnical, structural, materials, and environmental solutions.
WebsitePhone9 offices3 projectsFounded 1971Updated Jun 2026
Project: The Aurora Highlands
Service: Geotechnical EngineeringService: Provides Specialized Ground CharacterizationService: Subsurface Exploration To Support Foundation RecommendationsIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+29 more
Specializing in geological, geotechnical, environmental, and dam services
WebsitePhone1 office7 projectsSize Estimate: 1-10 employeesUpdated Jun 2026
Project: Noxon Rapids Dam Drain Cleaning
Service: Dam and Hydroelectric ServicesService: Dam Drain InspectionService: Dam Drain CleaningIndustry: HydroelectricIndustry: Water ResourcesType: Geotechnical Engineering+14 more
Project: Overton Moore Properties - Oaks Business Park
Service: Environmental ServicesService: Phase I Environmental Site AssessmentsService: Preliminary Endangerment AssessmentsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+77 more
WebsitePhone3 offices10 projects1 credentialsFounded 2009Updated Jun 2026
Project: Dulles Corridor Silver Line Metrorail Project Phase II
Service: Geotechnical EngineeringService: In-House Geotechnical Drilling and TestingService: Foundation Analysis and DesignIndustry: TransportationIndustry: WastewaterType: Geotechnical Engineering+23 more
Founded in 1986, Despiau Associates Corp. is a San Juan, Puerto Rico geotechnical engineering practice and soil/geotechnical engineering laboratory. Since its founding, it has delivered foundation design, geotechnical investigation, materials testing, and construction inspection across more than 6,500 public and private projects throughout Puerto Rico, including Vieques and Culebra. Direct involvement in foundation supervision, analysis, and design spans more than 3,000 projects - roads, bridges, schools, parking facilities, residential and multi-story buildings, industrial facilities, and pharmaceutical plants. Alongside core geotechnical services, the practice offers environmental soil and groundwater characterization and forensic engineering and expert witness support for financial institutions, insurance companies, attorneys, and developers. Industries served include pharmaceutical, commercial, manufacturing, retail, waste management, and state, federal, and municipal government.
Website1 office2 leaders6 credentialsFounded 1986Updated Jun 2026
Service detail: Geotechnical Engineering Services
Service: Geotechnical Engineering ServicesService: Foundation DesignService: Pavement DesignIndustry: GovernmentIndustry: FederalType: Geotechnical Engineering+21 more
Dynamic Engineering Consultants (DEC) is a multi-discipline professional services firm based in Sulphur Springs, Texas, serving East Texas since 2004. DEC provides civil engineering, geotechnical engineering, structural engineering, environmental services, surveying and mapping, materials testing and quality control, and construction management. Clients include commercial and industrial developers, contractors, government institutions, public and private utilities, and natural resource companies.
WebsitePhone1 officeFounded 2004Updated Jun 2026
Service detail: Civil Engineering
Service: Civil EngineeringService: Site PlanningService: Street And Roadway DesignIndustry: CommercialIndustry: IndustrialType: Civil Engineering+30 more
Service: Engineering and DesignService: Power Delivery Design & EngineeringService: Custom-Engineered Structures & FoundationsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more
Delivering Geotechnical, Geophysics, Environmental and NDT Services
Website2 officesFounded 2003Updated Jun 2026
Service detail: Geotechnical Engineering
Service: Geotechnical EngineeringService: Subsurface ExplorationsService: Soil and Rock Laboratory TestingIndustry: TransportationIndustry: TelecommunicationsType: Geotechnical Engineering+23 more
Environmental Science Corporation (ESC) is a US-based multinational engineering and consulting practice. It provides architect-engineering design, geotechnical engineering, geophysics, topographic surveys, technical inspections, and environmental services across Hawaii, Guam, Japan, and other Pacific locations. With offices in Tokyo, Okinawa, Misawa, and Guam, ESC supports military and government facility engineering, Pacific island infrastructure development, and multilingual project execution.
Website6 offices3 projects7 leadersSize Estimate: 25-150 employeesUpdated Jun 2026
