IMEG Corp is one of the largest engineering consulting firms in the U.S. specializing in high-performing building systems, infrastructure, and construction-related services. With a global footprint of 32 offices and a deep bench of nearly 1,000 team members, we know the technical skills of our people is our product and we strive to build long-lasting client relationships through our guiding principles, expertise, and iterative project approach.

Formed in 2015, through a merger of KJWW Engineering Consultants and TTG Engineers, IMEG’s strength is our willingness to collaborate and reach beyond the status quo, challenging ourselves to be thought leaders and innovators in the A/E/C industry. The IMEG team has pushed the envelope in infrastructure design and sustainability as demonstrated by our many “firsts” and award recognitions.

IMEG Corp was formed through a strategic merger of U.S.-based international firms KJWW Engineering Consultants and TTG Engineers in October 2015.

The merger created a 900-employee workforce spread across 25 national and five international locations. In addition to offering an expanded geographic reach, the alignment allowed a greater depth and breadth of engineering, project management, and building design services to be available from the merged organizations, which continue to operate as TTG and KJWW under the creation of, IMEG Corp, a holding company with common management. Commonality between the similarly-sized firms was a driving factor behind the merger.

TTG and KJWW combined to bring 114 years of experience, along with many award-winning projects and “firsts” in sustainable design, such as the world’s largest lake-coupled geothermal system, the largest LEED Platinum office building in the U.S., the first LEED Platinum data center in the U.S., the first LEED Platinum university building in Illinois, and the first GSA-owned building Certified LEED Platinum in the nation.


Growth of TTG CORP

Founded in 1955, TTG grew a team of over 360 professionals in 12 locations in the U.S. and three international locations. TTG’s services cover the full spectrum of engineering—including construction support services needed to successfully carry projects from planning through construction phases.


In 2015, TTG was ranked the 14th largest engineering firm in the U.S. (BD+C Giants Report) and 234th among Top 500 Design Firms in the U.S. (ENR).


Learn more at ttgcorp.com


Growth of KJWW Engineering Consultants

Founded in 1961, KJWW grew to 500 employees in 16 offices worldwide. KJWW’s dramatic growth can be attributed to innovative engineering solutions, a collaborative project approach, and the firm’s on-going commitment to employee retention.


In 2015, KJWW was ranked the 12th largest among engineering firms in the U.S. (BD+C Giants Report), 2nd largest MEP engineering firm in the Midwest (ENR), and was  204th among Top 500 Design Firms in the U.S. (ENR).

Learn more at kjww.com

IMEG Corp.

Integrated Management and Engineering Group

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