Our Mission and Philosophy
At Tatum-Smith-Welcher Engineers, Inc. (TSE), we believe that attention to detail is the key to delivering exceptional engineering services that meet and exceed our clients' expectations. With over two decades of experience, our team of structural engineering professionals has been providing quality engineering services since 1996. Our mission is to create buildings that exceed our clients' expectations while maintaining elements of public safety in full accord with governing local and national code requirements and standards of construction.
Market Sectors
We have worked with clients across various market sectors, including:
Education
- Educational facilities, ranging from elementary, junior, and high schools to universities, athletic facilities, and gymnasiums
- Commercial retail, civic facilities, libraries, churches, health care facilities, food processing facilities, banking facilities, light and heavy industrial facilities, police and fire departments, poultry processing facilities, restaurants, warehouses, post offices, parking structures, and prison detention centers
Government
- Civic facilities
Healthcare
- Healthcare facilities
Commercial
- Commercial retail, civic facilities
Our Services
At TSE, we offer a wide range of services, including:
Structural Analysis
- Analysis of existing structures, including code review, wind, and seismic analysis
Structural Design
- Design services, including concrete, timber, masonry, and steel
Documentation
- Construction document production utilizing the latest BIM software, Revit, and/or AutoCAD
Project Management
- Project management services, including administration of specifications, shop submittal review, and construction monitoring
Our Team
Our team comprises experienced structural engineering professionals with a passion for delivering quality engineering services. Our team leader, Mr. J. David Tatum, P.E., has over 37 years of structural engineering experience and has played a pivotal role in expanding and improving educational facilities across the Midwest.
Mr. Tatum's Background
Mr. Tatum holds a Bachelor of Science degree in Architectural Engineering from Kansas State University (1979). He has been instrumental in many educational facility improvements, including the Siloam Springs High School Expansion and the Bentonville West High School Campus.
Mr. Smith's Background
Mr. Mark A. Smith, P.E., S.E., is an original co-founding member of TSE. He has over 21 years of structural engineering experience and has worked in 43 states, obtaining his original licensure as a professional engineer in 2000. Mr. Smith serves as project manager and engineer of record on several of our largest and highest-profile projects across the country.
Our Promise
At Tatum-Smith-Welcher Engineers, Inc., we promise to deliver quality engineering services that meet and exceed our clients' expectations. Our team of experienced structural engineering professionals is dedicated to providing exceptional service, and we are committed to building long-term relationships with our clients.

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