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Full Circle CO2 is an Oregon recreational toll processor specializing in terpene extraction; full spectrum, high terpene, cannabis extracts and infused products. 

We offer a full range of custom CO2 processing and packaging services to OLCC licensed companies:

  • Terpene extraction

  • Full spectrum (THC) extraction

  • Pull and Snap

  • Dab Sap

  • Crystals

Our extraction methods are unlike any others, resulting in some of the highest terpene percentages in the industry without distillation or adulteration. This allows us to preserve all the fundamental properties of the source material: aroma, flavor and effect while producing beautiful, chemical-free terpenes and extracts. 

Analytical testing shows that our final product matches the profile of the source material, proving that our extracts reflect the knowledge, practices, and intentions of the farms we work with.

Our craft extract is processed utilizing carbon dioxide as the sole solvent for extraction. This ensures no chemicals were used in the growing or processing of the flower. Our mission is to provide a full spectrum extract that truly reflects the profile of the plant and the intentions of our farmers. Our unique methods of extracting and post processing allow us to capture and concentrate all of the cannabinoids, terpenes, and flavonoids in the ratios that are present in the flower, giving us a true representation a truly medicinal plant. We pride ourselves on crafting a true cannabis essential oil, not to mention the amazing experience a cannabis connoisseur and someone new to cannabis will love.


We are environmentally conscious processors, so we work hard to preserve a closed-loop system- we recycle, reuse, or recapture everything from the CO2 to the plant material we process.

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COMPANY HISTORY

Full Circle CO2 was formed in January 2015 under the Oregon Medical Marijuana Program. In January 2017, we became OLCC licensed for the recreational market. In that time we have developed unique high terpene extractions and created a wide variety of products. We are an Oregon Department of Agriculture certified cannabis food processor, and carry extract, concentrate, edible, and topical endorsements. We can provide custom extractions or help you develop a unique product line for your brand.

PAUL K HAMPSHIRE, FOUNDER

Since 1997, Paul has been involved in the cultivation and research of the cannabis plant. He has utilized his skills as a chef and construction contractor to design unique processing techniques, protocols and facilities. In January of 2015, Paul acquired a Supercritical CO2 extractor and has since been applying his skill set to the creation consistent, high quality cannabis essential oils.

SIOBHAN RUBY MCCONNELL, MS, RG

Ruby is a Registered Geologist with the State of Oregon. Ruby received a B.S. In Geological Sciences from the University of Oregon and an M. S. in Geology from Northern Arizona University in 2004 and worked until 2009 as a consulting environmental geologist specializing in contamination studies and remediation. Ruby joined Full Circle CO2 in July of 2015 as a contributing researcher and operations manager.