About us

About Our Compost Business

Green Waste and

Organics Recycling Program

Learn a little background about the Mautz Brothers’ and how our compost business, 3XM Grinding and Compost, came to be…

It Started With A Vision...

From Cattle to Compost

It all started out when our family was looking for a way to turn the manure we gathered into something other than a liability. Something we once had to dispose of became our biggest asset. We have been cattlemen for a very long time. The feed we provide for our cattle is key. Feeding BioChar and aspen bark had a profound effect on the outcome. Cows turn feed into manure and grinders turn wood into mulch and we brought both of those ingredients together to make one of the industries leading composts.

It Grew Into More...

Colorado's Best Compost

Through multiple years of experience and many innovations, we found ways to increase the organisms needed to feed the soil. If you have healthy soil, you will have healthy plants. Now, we have the best compost and the only OMRI (Organic Materials Review Institute) listed compost on the Western Slope of Colorado.


What Does OMRI Listed Mean?

OMRI Listed means you no longer have to question companies and the legitimacy of their organic compost. This lets customers know they can trust our products. Products that want to use the term organic, have to get their products certified by a third party company. OMRI stands for the Organic Materials Review Institute. They ensure that materials used for organic agricultural products are worthy of producing organic foods and materials. 


OMRI checks that companies such as ours are not using prohibited products or processes. For a company to be OMRI listed, they must meet the necessary qualifications. This means they only use ingredients and processes that are allowed under the organic standards.

Why Choose Us


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All Natural and Organic

For more than 18 years, we’ve been creating the best organic composts and growing materials

Recycled Organic Materials

Cows turn feed into manure and grinders turn wood into mulch and we brought both of those ingredients together to make one of the industries leading composts.

OMRI Listed

OMRI stands for the Organic Materials Review Institute. They ensure that materials used for organic agricultural products are worthy of producing organic foods and materials.

Competitive Prices

You’ll receive the highest quality organic products at the very best prices. 

Great Service, Guaranteed!

Call us at 970-531-7416 or contact us for your free quote.
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