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
WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026
Project: The Virginia Vanguard
Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more
Accompong Engineering Group, LLC offers civil and transportation engineering, planning, and program and project management services. It works with public and private sector clients, including departments of transportation, municipalities, state and federal agencies, contractors, and consultants.
Website4 projects1 leadersFounded 2009Updated Jun 2026
Project: Frederick Douglas Memorial Bridge
Service: Planning and EngineeringService: Roadway and Highway DesignService: Traffic and Signalization AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+14 more
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 1998Size Estimate: 10-30 employeesUpdated Jun 2026
Service detail: Pavement Engineering
Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingService: Functional LCMS AssessmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+57 more
Service: Civil EngineeringService: Water and Sewage SystemsService: Drainage and Stormwater SystemsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+25 more
Service: Civil EngineeringService: Land Planning and Site DesignService: Railway DesignIndustry: IndustrialIndustry: InfrastructureType: Civil Engineering+19 more
Website1 office6 projects13 leadersSize Estimate: 50-100 employeesUpdated Jun 2026
Project: Boise Airport New Fuel Facility
Service: Engineering and DesignService: Programming and PlanningService: Facility DesignIndustry: AviationIndustry: DefenseType: Environmental Engineering+37 more
Engineering, surveying, and environmental services across the southeast
WebsitePhone3 offices9 projects5 leadersFounded 1994Updated Jun 2026
Project: North Railroad Drainage Study
Service: PlanningService: Site Selection & AnalysisService: Site Assessment ReportsIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+36 more
Engineering reliable transportation and heavy civil infrastructure since 1976
WebsitePhone6 offices8 projectsFounded 1976Updated Jun 2026
Project: DFW Connector
Service: Roadway and Highway EngineeringService: Urban Freeways and InterchangesService: Major and Complex Highway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+30 more
Service: Buildings and FacilitiesService: HVAC Systems DesignService: Electrical Power and LightingIndustry: CommercialIndustry: RetailType: Civil Engineering+58 more