GMCO Corporation is proud to have acquired Roadwise, a supplier of liquid magnesium chloride de-icer and dust control in the Pacific Northwest!

"We are excited to take advantage of this new opportunity. Not only to expand our geographic footprint but to expand our desire to provide quality services and products to a broader range of customers."

- Jeremy Henderson, President and CEO

Roadwise Local Phone Number:

 509-487-9171 ext. 104


Deicing Liquids


Animal Nutrition


Granular Deicers


Oil & Gas

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Dust Control

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Road Maintenance

Sustainability and Safety are our TOP Priorities

To us, road maintenance is not just about the products and equipment – it is about the safety, health, and well-being of the folks traveling on the roads we maintain. By providing superior road maintenance and dust control products paired with exceptional customer service, we know we are doing our part to ensure safe winter journeys; and healthier, dust-free gravel roads.


50+ Years in Business 


10,600,000  Gallons of Nationwide Storage

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Access to a Fleet of 600 Railcars 

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GMCO Colorado

0228 Powerline Rd.
P.O. Box 1480
Rifle, CO 81650
Phone: 970-625-9100
Fax: 970-625-9101
Toll Free: 1-800-244-2148

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