TWM, Inc., headquartered in Swansea, Illinois, stands as the 8th largest engineering firm in the St. Louis region, boasting a strong presence throughout the Midwest and Southeast, including key states like Illinois, Missouri, and Tennessee. With 79 years of experience, TWM has cultivated a robust portfolio of civil and structural engineering, land surveying, and geospatial services tailored for both public and private sector clients.
Founded in 1946, TWM has its roots in honesty and community relationships. Over the years, the firm has grown significantly, currently employing over 160 professionals across ten offices. As a 100% employee-owned company through an Employee Stock Ownership Plan (ESOP), TWM ensures that clients engage with dedicated professionals who have a personal stake in their projects’ success.
Celebrated for a high client retention rate of approximately 95%, TWM prides itself on its mission of "Exceptional Service. Nothing Less." This commitment translates into a strategic focus on quality, teamwork, and innovative engineering solutions aimed at tackling infrastructure challenges effectively and efficiently. Their diverse service offerings encompass Transportation, Structural Engineering, Water/Wastewater solutions, Land Development, and Geospatial services, such as advanced Land Surveying and 3D Laser Scanning.
TWM has received numerous awards for its exemplary work, demonstrating its dedication to quality and excellence in the industry. Their engineers and surveyors are well-equipped to manage complex projects, aiming to realize long-term visions for growth and maintenance. By blending advanced technology and a collaborative approach, TWM remains poised to lead in engineering services while nurturing strong community ties and prioritizing client satisfaction.
