About Loos Service & Supply, Inc.

Quality is Our Business!

At Loos Service & Supply, we buy, sell, customize, and refurbish new and used equipment for use in the Sand and Gravel Industry. Whether your plant needs a booster pump to increase production, a dewatering wheel to improve efficiency, or you just need a few tips and tricks to get your plant running at optimal efficiency, Loos Service has the knowledge and experience to help your pit reach maximum output.

Not only do we provide efficient equipment solutions for the industry, but we also provide follow up services. Our Customer Service doesn’t stop when our customers receive their equipment. If one of your pumps isn’t performing to industry expectations, let us look at it and see how we can alter the equipment to be more efficient for your particular application.

We also offer a variety of parts and maintenance services to keep your equipment operating smoothly and efficiently. We are successful because we put our customers’ needs first and work seamlessly with a common goal: to support our customers’ success by producing high quality equipment that can be relied on to perform effectively.

Loos Service representatives pride themselves on going above and beyond to meet our customers’ needs. No matter the problem, we will research and provide an answer as efficiently as possible. Have a specific job that requires specialized equipment? We will think outside of the box to provide a customized solution to your problem that will also provide maximum return. With the wealth of knowledge and experience available, Loos Service can provide a variety of solutions to bring your production up while keeping your costs down.


Meet the Team at Loos Service & Supply, Inc.:

Mark Powley: President / Owner

Mark grew up in a family-owned sand & gravel operation in Central Illinois. After returning from mechanics school, he went to work at his family’s gravel operation. Starting in maintenance, Mark worked himself up to Superintendent of the gravel operation. In 1998, he started selling sand & gravel equipment, then came to work at Loos Service & Supply, Inc. in 2001. Mark has over 37 years of working knowledge in the aggregate industry that can be put to work for you.

Ron Witt: Outside Sales

After spending over 20 years at a gravel operation where he was involved in crushing, screening, dredging and equipment maintenance, Ron came to work for Loos Service in the Spring of 2006 and has since helped our customers overcome many obstacles they have encountered with innovative equipment solutions. Never one to shy away from a good conversation, Ron has over 36 years of experience in the gravel industry and can help you identify and solve your production dilemmas.

Mike Nelson: Outside Sales

Mike joined our team in March as an outside salesman. He grew up farming and trucking from 1979 till 2004. He then worked for an excavating company from 1997 till 2000 digging basements and water and sewer. From 2004 till 2022 he was at a sandpit in Illinois in which he ran the loader and plant for 6 years then moved to superintendent for 2 years and then ran the dredge for 10 years. As you can see, Mike brings a lot of first-hand good experiences in which has already benefited our several customers. Mike has a great knowledge of this industry and ready to help you with your needs.

Nicki Powley: Secretary / Treasurer / Inside Sales

With a previous history working at Loos Service & Supply, Nicki rejoined the Loos Team in January of 2018. Since then, she has put in the time and effort to really get to know the customers and their equipment. With a knack for research and a personable approach, Nicki is the heart of the office and a great resource for our customers.

Brook Wilkey: Office Assistant / Inside Sales

Brook joined our team in March. She came from a family-owned trucking business. Brook has been getting to know this business well and fitting right in with our team and with each our vendors and customers. She brings a lot of talent and skills to this position along with bringing a lot of laughter.

Andrew Schoenbein: Office Assistant / Inside Sales

Andrew has been with us since July. He is our research guru and a jack of all trades. He bounces from office to shop and in between. He has many years in the management industry and many years developing his quirky personality.

Jared Powley: Shop Manager

Jared came to Loos Service & Supply, Inc., in 2015 with a welding degree and several years of experience in fabrication. Since then, he has become an indispensable part of the Loos Crew by taking point on many projects that have dazzled our customers and provided them with specialized equipment customized to their specific application.

Joel Powley: Fabricator

Part-time since 2016, Joel came on board full-time in February 2020 and hasn’t looked back. With previous professional experience in home construction and fabrication, Joel practically grew up in this business and has learned various strategies to create equipment that can stand up to the heavy-duty applications required in our field.

Don “The Professor” Kohler: Mechanic

With several years in diesel mechanics, Don’s expertise in engine mechanics literally gets the gears turning here at the shop. Don has become a part of the Loos Family and is great at brainstorming to find solutions when there appears to be none.