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 projects
Service: Highways, Roads, and StreetsService: Roadway geometryIndustry: TransportationType: Civil Engineering+31 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: Planning and DesignService: Program and Construction ManagementIndustry: TransportationType: Architecture & Engineering+15 more