In Illinois, TranSmart operates under its subsidiary name TranSmart, Inc. (formerly known as EJM Engineering, Inc. doing business as TranSmart/EJM Corporation). TranSmart, Inc. is the new name for the subsidiary to TranSmart Technologies, Inc. EJM was acquired in 2017 by TranSmart Technologies, and changed names twice to transition to TranSmart. TranSmart is the unified brand of TranSmart Technologies Inc. and TranSmart, Inc. The firm is one of the largest women- and minority-owned, disadvantaged business enterprise transportation engineering consulting firms in the Midwest region.
TranSmart offers traditional transportation engineering disciplines and innovative technology applications for improved infrastructure and advanced transportation systems.