TWM, Inc. is an employee-owned professional consulting firm providing civil and structural engineering, land surveying, and other geospatial services for public, private, institutional, and governmental entities. The firm also partners to provide design-build services to the contracting industry and consulting services to architectural, geotechnical, and project management firms. With offices centrally located in Illinois, Missouri, and Tennessee, and the ability to work remotely via virtual platforms, the firm is positioned to serve clients across the U.S. For 75 years and counting, we pride ourselves on delivering our clients'​ projects on time, in budget, and done right. Our experience includes roads & bridges, railways, parks & trails, hospitals, schools, residential & commercial developments, and water, wastewater, & storm water infrastructure. Our team of skilled professionals is passionate about solving problems and cares deeply about providing exceptional service to our clients.

Transportation Water / Wastewater Land Surveying & GIS / Mapping Structural Engineering Construction Observation Services Residential Commercial Institutional & Industrial Sites Water Resources Transportation - Roads Bridges Rail Land Surveying 3D Scanning & GIS / Mapping Electrical Engineering 3D Scanning & GIS / Mapping Institutional & Industrial Sites Architecture Firm/Engineering Firm Engineering Services Civil Engineering Architectural Engineering Services Business Services