Business Details
50+ Years
experience
Trusted Engineering & Geospatial Solutions in Southern Illinois
TWM, a 100% employee-owned firm with 79 years of experience, has established itself as a trusted leader in civil and structural engineering and geospatial services. Since 1946, we have delivered innovative, cost-effective solutions to public and private sector clients across Southern Illinois, Missouri, Tennessee, and beyond. Our team of licensed professionals combines deep technical expertise with a commitment to quality, relationships, and stability, ensuring projects are completed on time, within budget, and to the highest standards. We specialize in transportation, structural design, land development, water/wastewater infrastructure, pavement management, and cutting-edge geospatial technologies like 3D laser scanning and UAV-based LiDAR.Our repeat business rate of 95% reflects our dedication to solving complex challenges while maintaining exceptional client partnerships. Awards and recognitions from ACEC and APWA underscore our industry leadership. Today, our employee-owned culture fosters a vested interest in every projects success, blending tradition with forward-thinking innovation.
Services
Civil Engineering
Structural Design
Land Surveying
Pavement Management
Geospatial Services
Transportation Planning
Water/Wastewater Infrastructure
Design-Build Projects
Hydrographic Surveying
3D Laser Scanning
Details
- Year established: 1946
Highlights and features
- We have 79 years of experience in civil and structural engineering.
- Our employee-owned structure ensures a vested interest in client success.
- We utilize state-of-the-art technology like mobile LiDAR and UAVs for precision.
- 95% of our business comes from repeat clients, reflecting our reliability.
- We offer comprehensive services from concept to construction phase.
Associations and certifications
- Design-Build Institute of America
Services
Civil Engineering
TWM delivers comprehensive civil engineering solutions for transportation, structural, and water/wastewater projects. Our expertise includes roadway design, bridge engineering, and utility infrastructure, ensuring safe, durable, and compliant systems. We collaborate with clients to align projects with regulatory standards and community needs.
Geospatial Services
Our geospatial division uses 3D laser scanning, LiDAR, and UAVs to map complex sites accurately. These technologies enable precise surveying, topographic modeling, and GIS integration, supporting informed decision-making for construction and environmental projects.
Land Development
We guide clients through land development from concept to approval, including zoning, utility coordination, and stormwater management. Our focus is on creating functional, sustainable spaces for residential, commercial, and recreational use.
Pavement Management
Using mobile LiDAR and GIS, we assess pavement conditions and develop cost-effective maintenance plans. Our systems help clients prioritize repairs, optimize budgets, and extend roadway lifespan.
Design-Build
TWMs design-build approach streamlines projects by combining design and construction under one team. This method enhances collaboration, reduces timelines, and ensures seamless execution of complex infrastructure projects.
Questions
What services does TWM offer?
TWM specializes in civil and structural engineering, geospatial services, land development, transportation planning, and pavement management.
How long has TWM been in business?
TWM has served clients for 79 years, established in 1946.
What regions does TWM serve?
We operate across Southern Illinois, Missouri, Tennessee, and nationwide through virtual platforms.
Is TWM employee-owned?
Yes, TWM is 100% employee-owned, fostering a culture of accountability and client focus.
What technologies does TWM use?
We employ 3D laser scanning, mobile LiDAR, UAVs, and GIS mapping for precise data collection.
Has TWM received industry recognition?
Our projects have earned awards from ACEC Illinois and APWA Missouri, highlighting excellence in engineering.
Reviews (1)
James Fowler
Mar 07, 2018
Report
These guys are top notch. If you are looking for surveying or laser scanning services, I can not recommend TWM more highly!
