Catwalks and towers

Towers and Catwalks


GSI, a global brand of AGCO, announced on Sept. 25, 2013 that it has purchased Johnson System Inc. (JSI), a leading manufacturer of catwalks, towers, and support structures based in Marshall, MI. Adding JSI to the GSI and AGCO family of companies provides new growth opportunities and system solutions that will enhance the productivity, efficiency, and profitability of agriculture operations.

With over 30 years of experience in the towers and catwalk business, the acquisition of JSI has provided GSI with yet another strong product line to offer our Dealer Network. In addition to manufacturing catwalks and towers, JSI also produces temporary storage systems, aeration systems, superstructures, decks, stair systems, grain ladders and numerous other agricultural products.


Support Towers – Bolt together designs, self supporting, eave towers, two-leg towers.

Bucket Elevator Towers – Complete line of accessories, including top tower decks, stair systems, and ladders.

H Beam Towers – Two leg tower designed for applications with heavy loads and small foot print limitations.



Bridge Truss Catwalks – The work horse of our catwalk product line.

Handrail Truss Catwalk – Our most versatile line of catwalks.

Deep Handrail Truss Catwalk – Provides the spans and widths you’re looking for with an open top truss.

Additional Catwalk Options – ECONOCAT, Mechanical Truss, Park Bridges.


Structures and Decks
A wide variety of custom decks and structures. Whatever your needs might be GSI is the solution for decks or structures built to your specifications. Let our design team take your idea to conception.


Temporary Storage
Temporary storage systems are an effective and cost efficient way to increase your storage capacity. We offer a full line of pile options from center tower loading systems to a quick pile designed for quick and easy storage.

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