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Join ACP

Leo Beckerman

Zero Foodprint
"ACP has been essential in connecting with members of the industry to help prompt quality compost and it's use in climate solutions."

Kathy Johnson

Kellogg Garden Products
"Connecting with other California Composters on a regular basis has been a key to growth in the composting industry. I gain valuable knowledge every time we meet."

Jeff Ziegenbein

Inland Empire Utilities Agency
"ACP is the only organization in CA that focuses building the value and volume of compost sold in the state, and has been invaluable in developing my Agency’s marketing program."

Membership Options

If you would prefer to send a check, please mail it to: P.O. Box 3155, Santa Rosa, CA 95402-3155. Your membership will be approved upon receipt of your check. Thank you!

  • Platinum

    Every year
    Composting Facilities > 75,000 tons per year
  • Gold

    Every year
    Compost Companies > 12,500 tons per year
  • Silver

    Every year
    Composters < 12,500. Companies > $10 million. Municipalities > 500,000
  • Bronze

    Every year
    Non-profits, Universities, Companies < $10 million, Municipalities < 500,000
  • Individual

    Every year
Interested in learning more?

We bring together compost haulers, producers, and stakeholders, including non-profits, government agencies, compost users (farms, landscapers, municipalities), and more.


Together, we use compost to build healthy soil in each California County where our members do business.

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