Use Your Phone Or Tablet To Monitor & Control The Grain In Your Bin!
From storage to transport, the proper management of your grain bin is essential for the success of your farming business. That’s why Guardian GMS (Grain Management Systems) can help you make sure you’re getting the most out of your grain bin investments.
With our grain quality management services, you can use your phone or tablet to monitor & control the temperature, humidity & more to ensure your bins are running at their peak efficiency and protecting your grain from the elements!

Up To 30' Diameter Bins With 1 Fan
Designed for monitoring grain temperature and moisture in bins 12' to 30′ in diameter with one fan.

Up To 30' Diameter Bins With 2 Fans
Designed for monitoring grain temperature and moisture in grain bins 12' to 30' in diameter and has two fans.

31' To 48' Diameter Bins With 1 Fan
Designed for monitoring grain temperature and moisture in bins 31' to 48′ in diameter with one fan.

31' To 48' Diameter Bins With 2 Fans
Designed for monitoring grain temperature and moisture in grain bins 31′ to 48' in diameter and has two fans.

49' To 66' Diameter Bins With 1 Fan
Designed for monitoring grain temperature and moisture in bins 49' to 66′ in diameter with one fan.

49' To 66' Diameter Bins With 2 Fans
Designed for monitoring grain temperature and moisture in grain bins 49′ to 66' in diameter and has two fans.

Headspace Sensor
This innovative air temperature and humidity sensor is perfect for keeping an eye on your grain and ensuring its quality.

Control Box
Allows you to remotely control any number of connected devices such as grain bin fans, heating and cooling systems, and many more.

OS/PL Sensor
The perfect tool for monitoring the outside air temperature and the humidity levels inside the grain bins.
About Us
At Sioux Steel Company, we’ve spent over a century focused on providing value to our customers. What started in 1918 as a dream to start a steel corrugating business has grown into a fifth-generation, family-owned company that manufactures products that provide solutions throughout the world.
We pride ourselves on our superior reputation for integrity, honesty, and the highest-quality products. Our mission is not only to satisfy our customers, but we want them to be delighted to do business with us. Whether your order for Sioux products is large or small, frequent or occasional, we feel a definite obligation to provide you with high-quality products and outstanding service.