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: Civil EngineeringService: Septic System Design and TestingService: Road Design and InspectionIndustry: ResidentialIndustry: CommercialType: Civil Engineering+19 more
WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026
Service detail: Air Quality and Environmental Compliance
Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportService: Regulatory Review and ComplianceIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+25 more
Civil, Water Resources, and Environmental Engineering Services
Website4 leaders1 credentialsFounded 2022Size Estimate: 1-9 employeesUpdated Jun 2026
Service detail: Water and Wastewater Engineering
Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsService: Sewer System Flow MonitoringIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+19 more
WebsitePhone1 office2 leaders3 credentialsFounded 1998Updated Jun 2026
Service detail: Civil Engineering
Service: Civil EngineeringService: Land Development and Site DesignService: Water Resources and HydraulicsIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+28 more
Service: Water ResourcesService: Hydraulic AnalysisService: Municipal Water Well Planning and DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+44 more
Service: Site and Civil EngineeringService: Site DevelopmentService: Civil DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+43 more
WebsitePhone2 offices1 credentialsFounded 1981Size Estimate: 25-100 employeesUpdated Jun 2026
Service detail: Civil Engineering
Service: Civil EngineeringService: Land/Site DevelopmentService: Canal Bank StabilizationIndustry: WastewaterIndustry: Water SupplyType: Civil Engineering+40 more
Leaders in professional engineering for over 40 years
WebsitePhone1 office1 projects1 leadersFounded 1974Updated Jun 2026
Project: Passamaquoddy Water Treatment Plant
Service: EngineeringService: Water Systems DesignService: Wastewater Systems DesignIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+31 more
Providing Engineering Solutions for Sustainable Infrastructure
WebsitePhone1 office4 projects1 leaders14 credentialsUpdated Jun 2026
Project: Lummus Park Waterfront Redevelopment
Service: Transportation InfrastructureService: System Planning and AnalysisService: Municipal Roadway SystemsIndustry: AirportsIndustry: GovernmentType: Civil Engineering+34 more
Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringService: Civil and Site EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+41 more
WebsitePhone1 office2 projects1 leadersFounded 1986Updated Jun 2026
Project: Flathead Lake Engineered Septic System
Service: PowerService: Substation DesignService: Transmission Line DesignIndustry: Electric UtilitiesIndustry: Land DevelopmentType: Civil Engineering+19 more
Multidisciplinary engineering and support services in the Baltimore-Washington area
WebsitePhone2 offices1 projects1 credentialsFounded 1993Updated Jun 2026
Project: WMATA Bus System Renovations
Service: Land PlanningService: Zoning StudiesService: Land Use Feasibility StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+82 more
Driving Innovation and Digitization in Engineering
WebsitePhone2 officesUpdated Jun 2026
Service detail: Civil and Infrastructure Engineering
Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignService: Site Master PlanningIndustry: CommercialIndustry: IndustrialType: Civil Engineering+38 more
Service: Civil EngineeringService: Water Resources EngineeringService: Municipal UtilitiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+41 more
Geotechnical engineering, material testing, special inspections, and drilling services in Arizona
WebsitePhone1 office2 leaders9 credentialsFounded 2008Updated Jun 2026
Service detail: Geotechnical Engineering
Service: Geotechnical EngineeringService: Construction Materials TestingService: Field QA/QC Materials TestingIndustry: InfrastructureIndustry: CommercialType: Geotechnical Engineering+22 more
Service: Civil/Site EngineeringService: Coastal EngineeringService: Flooding and ResiliencyIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+28 more
WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026
Project: Naval Air Station North Island Soil Investigation
Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more
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 detail: Planning and Design
Service: Planning and DesignService: Program and Construction ManagementService: Advisory and ConsultingIndustry: TransportationIndustry: InfrastructureType: Architecture & Engineering+13 more
WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026
Service detail: Chemical and Process Design
Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more
Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+64 more