August 2022 – TWM, Inc., one of the top 10 largest engineering and geospatial firms in the greater St. Louis area, announced the relocation of its branch office from Waterloo, IL to Columbia, IL. This new location is the start of another exciting chapter in the company’s 75-year history and will bolster TWM’s visibility in the local area.

Plans to expand TWM’s reach within our core markets reflect the company’s growth strategy and pursuit of new opportunities. “This new branch office is well-situated to serve our current clients and increases our overall engineering capacity to expand. It’s an ideal location where we can better facilitate our business operations and support our professional growth, both internally and externally,” said Robert DeConcini, President.

The new Columbia branch office location, at 100 North Main Street, is an organic evolution that reflects the firm’s ongoing commitment to retain a high level of client engagement within the local community while establishing a broader presence within the southwestern Illinois region.

TWM Columbia, IL Office | 100 North Main Street

TWM has a total of seven office locations in the Illinois and Missouri bi-state region. In Illinois, the corporate headquarters is based in Swansea, IL, with additional branch offices in Edwardsville and Peoria. In Missouri, there are offices in downtown St. Louis, St. Charles, and Columbia. In Tennessee, TWM has offices in Franklin and Chattanooga.

About TWM, Inc.
Celebrating 75 years in business, TWM is a 100% employee-owned firm providing civil and structural engineering, land surveying, and other geospatial services. From our humble beginnings in Belleville, IL in 1946, TWM has grown to the successful firm it is today, with its corporate headquarters in Swansea, IL and now eight additional offices throughout the Midwest and Southeast. Our five primary disciplines include Transportation, Land Survey/Geospatial Services, Land Development, Structural, and Water Infrastructure. As a full-service engineering consultant, TWM prides itself on being able to provide a broad range of design projects and related services, while delivering on its company mission of Exceptional Service. Nothing Less. Learn more about TWM at twm-inc.com.