Agronomy Services & Propane Supply Near You


210 E 400 S
Valparaiso, Indiana 46383



  • Agronomy
  • Grain
  • Petroleum
  • Propane

Continually Improving to Grow Your ROI

At Co-Alliance, we get excited about finding new ways to help our growers succeed. We continually invest in people, equipment and technology to give us the best opportunity to remove yield-limiting factors and make each new year more successful than the last.

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Agronomy Insights

Sharing what we learn for better crops.

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Crop Nutrition

Fertilizer solutions when and where you need them.

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Seeds and Treatments

Delivering on the promise of today’s genetics.

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Ag Technology

Sharing what we learn for better crops.

Your Local Choice for Propane

Honest answers. Responsive, reliable service. High quality propane and equipment. There are good reasons why Co-Alliance propane is the choice of thousands of customers.

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Become a Customer

Propane gas for home, business and agriculture.

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Refer a Friend

Earn 50 free gallons!

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Safety Information

Smell gas? Get out and call us.

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Online Bill Pay

The easiest way to manage your account.

Grain Prices

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