Find engineering consulting firms by capability and location.

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.

Project: O'Hare Terminal 3, Concourse L Expansion

Authentic partnerships are the best way to design and deliver projects that create lasting value.

Project: Barry County Broadband Assessment and Implementation Plan

Bloom Companies, LLC is an engineering, architecture, and construction management practice founded in 1998 in Milwaukee, Wisconsin. Established by Mathew Tharaniyil, the organization initially focused on bridge and structural engineering, eventually expanding to cover transportation, architecture, electrical and controls, and design-build delivery. It has grown through key acquisitions, including Hay Dobbs in 2024 and Jendusa Design Build in 2025, and serves academic, municipal, transportation, industrial, and utility clients across multiple US offices and international locations.

Project: Historic West Kilbourn Avenue Bascule Bridge Rehabilitation

Creating Space Underground

Project: Champlain Hudson Power Express Trenchless Crossings

Provide the Highest Level of Service to Our Clients While Delivering Value

Project: 540 West Madison

Full-Service Consulting Engineers

Project: Presidential Park

Building Tomorrow's Infrastructure, Today

Project: The 606 - Chicago, IL

One Vision. Shared Future.

Project: Wells Street Bridge over the Chicago River

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.

Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations

Engineering a Better Tomorrow

Project: Metra Consolidated Control Facility

Ingenuity That Shapes Lives

Service detail: Transportation

Ingenuity That Shapes Lives

Project: O'Hare International Airport Terminal 5 Expansion

Shaping the Midwest Since 1992

Service detail: Environmental Engineering

Lead. Thrive. Innovate. Succeed.

Service detail: Consulting & Design

Helping communities create sustainable infrastructure and environments

Project: Tower Lakes Watershed Study

Civil engineering driven by a passion for solving infrastructure challenges through ingenuity.

Project: George Washington Bridge Priority Repairs

KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.

Project: Portland International Airport (PDX), Terminal Core Redevelopment

Trusted Infrastructure Services for Aviation, Transportation, and Water

Project: DFW On-Call Signage Implementation Support

Forward thinking. Consensus driven. People focused.

Project: METRO Green Line LRT Extension, West Segment

Geotechnical & Environmental Consultants

Project: Lower Dungeness River Floodplain Restoration and Levee Realignment

Engineering | Architecture | Planning

Project: Runway 14-32 Extension - Morris Municipal Airport

The Vision to Transform with Excellence

Project: Elgin O'Hare Western Access Project

Turnkey EPC Solutions for Bulk Material Handling Systems

Project: Blue Creek Mine River Barge Load-Out Facility