Our Story

SDI Fabrication is founded by a team that has over 35 years in the manufacturing industry.  SDI Fabrication is a division of SD Industries, LLC which started in 2006 by designing and manufacturing 304 Stainless Steel solutions for the agriculture industry.  Our success in producing and delivering quality products combined with our efficient manufacturing process has allowed us to offer custom manufacturing solutions to manufacturing companies from all industries.


Our State of the Art 95,000 square foot facility is located outside of Mitchell, SD. We specialize in metal fabrication for many industries in the United States and across the globe. With over 60 employees and machines that run around the clock, we can handle any job, large or small.


Meet the Team

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Lars Christenson


A lifelong resident of Mitchell, SD, Lars graduated with an Associate’s Degree in Machine Tool Technology from Southeast Tech in Sioux Falls, South Dakota. Lars has 18 years of production management experience in various leadership roles within the manufacturing industry. A skilled machinist and visionary, Lars leads the Operations at SDI. His focus is on constant improvement and innovation of SDI’s industry-leading products and manufacturing processes.


Kenny Waldner

Founder & CEO

Kenny has been with SDI since the day it was just a thought process & dream. He understands our CNC equipment inside/out. Kenny is always excited to look at new ideas and concepts within the manufacturing arena. Delivering quality products and satisfied customers is his end goal!

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Jason Stoebner


Jason is an experienced banking executive with an extensive background in all facets of commercial and AG banking. He believes that success comes from delivering strong results with a great team. As CFO, he is responsible for ensuring that SDI has the information solutions needed to improve SDI’s effectiveness and efficiency in delivering services to our customers around the globe.


Dan Blevins


Dan Is excited to be part of the SDI team with over 14 years of sales experience and is eager to bring a high level of professionalism and customer service to the needs of customers. Dan grew up in northeast Nebraska helping with his small family farm, where he gained experience raising everything from cattle to greyhounds. Please contact him if you have questions on any of our stainless steel products.


Ben Endorf


Ben Endorf, a SDSU alumni, recently became part of the SDI sales team. He contributes twenty plus years of experience to SDI in sales from the ag and commercial construction industry. As a sales professional, he strives to ensure customer satisfaction and develop strong relationships with customers. He lives on a farm nearby with his wife and four kids. Outside of work, you will find him busy working on the farm or attending sporting events for his kids.