Grain Management

Grain Storage

RM Johnson Group LLC


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Agricultural Construction and Service

RM Johnson Group offers specialty construction and services to agricultural producers and processors throughout the Upper Midwest. We are a comprehensive source for agricultural grain system sales, design, installation, millwright work and service. We provide grain storage bins, grain handling systems and the industry’s most technologically advanced grain dryers, all from Grain Systems Inc. (GSI), the world’s largest manufacturer of grain management systems. As a Dealer of GSI products we sell and service Zimmerman, Intersystems and Farm Fans products.

We are capable of meeting the complex needs of our customers at any size agricultural operation, both production and processing. We leverage the expertise of our highly trained and skilled workforce to complete your project on time and within budget.

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GSI Authorized

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Grain Bins &

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Grain Storage Bins installed by RM Johnson

Grain Storage

If you’re in the market for a farm bin or a commercial-grade bin, RM Johnson Group supplies the GSI grain storage system to hold your type and level of grain production. Made of heavy-duty corrugated steel, we can design and install any combination of storage systems to meet your needs. We also offer a variety of wet holding tanks and hoppers to increase organizational efficiency while grain is being dried.

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Grain Storage Bins installed by RM Johnson
Grain Storage Bins installed by RM Johnson

Grain Drying and Conditioning

GSI manufactures the largest selection of advanced grain dryers in the industry, which is why RM Johnson Group has chosen to be an authorized supplier of GSI grain conditioning systems. GSI has a dryer for any size operation. From the single fan portable GSI dryers to the 12,000 bushel per hour GSI and Zimmerman Tower dryers with PLC or vision controls, we are well-versed in implementing any grain conditioning configuration. Efficiency in drying your grain gives you the best return on investment and we believe that GSI equipment gives you that opportunity.

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Grain Handling

Whether you’re moving grain from harvest to conditioning, or conditioning to storage, look no further than GSI’s grain handling systems. From small farms to large commercial operations, we can design and install a conveyance system to meet your needs. Bucket elevators, chain conveyors, air systems, augers, or belt conveyors we’ve got what it takes to move you and your grain.

Customers We Work With


Robert Johnson, Owner

Kimberly Teachout, Office Manager

Jamie Mackinlay, Service Manager

Derek Tracy, Project Manager


2100 Brooklyn Rd.
Jackson, MI 49203

Get in Touch

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New Location

We are moving on February 1st to 2100 Brooklyn Rd., Jackson, MI 49203.
Please feel free to email or call us with any questions!