GSI Greenslade Sales Inc.

GSI Greenslade Sales Inc. GSI Greenslade Sales Inc. GSI Greenslade Sales Inc.

GSI Greenslade Sales Inc.

GSI Greenslade Sales Inc. GSI Greenslade Sales Inc. GSI Greenslade Sales Inc.
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World Class Manufacturers' Representatives

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What We Do

GSI is a Manufacturer's Representative sales organization that has serviced the Northern Illinois and Wisconsin marketplace since the 1950's. We pride ourselves on our strong relationships with our principals and our customers. Our longevity and focus with our manufacturers has been an asset to our customers. 

Manufacturers Represented

Industries served

Industrial

Industrial

Industrial

Medical

Industrial

Industrial

Military/Aerospace

Military/Aerospace

Military/Aerospace

Automotive

Military/Aerospace

Military/Aerospace

Telecom/Wireless

Telecom/Wireless

Telecom/Wireless

Lighting

Telecom/Wireless

Telecom/Wireless

Electric Vehicle

Electric Vehicle

Electric Vehicle

Green Energy

Electric Vehicle

Electric Vehicle

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Contact us at 847-593-3450