Quandel Consultants is a Chicago-based and employee owned professional engineering firm. Quandel has worked with federal, state, and local governments to improve rail corridors and implement enhanced passenger and freight rail service. Since our founding in 2007, Quandel expanded nationally with 8 offices comprised of professionals dedicated to rail planning, engineering, and program management making us one of the largest “pure” rail engineering firms in the Midwest.

Rail

Quandel Consultants

Charles Quandel

Melanie Johnson

Teams at Quandel Consultants

Engineering and Project Management

Leadership Team