Oregon Tilth Certified Organic (OTCO) and California Certified Organic Farmers (CCOF) also regularly provide data. Some of the more reliable certifiers include Oregon Tilth, PCO (Pennsylvania Certified Organic) and California Certified Organic Farmers (CCOF). Plans for the two organizations to merge were announced in May. CCOF and Oregon Tilth, two of the nation’s leaders in the organic movement and certification, have announced plans to merge. Plans for the two organizations to merge were announced in May. We also cloned 6 PCR fragments from three pZ1PE3 and three pZ1PE3b transgenic … Oregon Tilth is a leading certifier, educator and advocate for organic agriculture and products since 1974 CCOF (California Certified Organic Farmers), a nonprofit organization, was founded in 1973 and is one of the nation’s oldest and largest third-party organic certifying agencies. CCOF and Oregon Tilth, two of the nation's oldest organic certification, advocacy, and educational organizations, have suspended plans to join forces. Exclusive industry info and insights straight to your inbox, Your go-to resource for all things grocery, Take a peek at the latest issue of the magazine. Certification - PLS492014 BriefHistory In the beginning about 1975 there was CCOF(California Certified Organic Farmers and Tilth in Oregon and a few 2525 SE 3rd Street Corvallis, OR 97333. C.P. Photo: C. Miles. A: Organic has a precise meaning under the USDA's organic program. Let CCOF help you get certified » CCOF is a nonprofit organization that advances organic agriculture for a healthy world through organic certification, education, advocacy, and promotion. For Immediate Release CCOF and Oregon Tilth Announce Planned Merger Joining Forces to Grow the Organic Movement Together (May 21, 2012) Santa Cruz, Calif./Corvallis, Ore. – CCOF and Oregon Tilth, two of the nation’s leaders in the organic movement and … Despite rapid advances in genome-editing technologies, precision genome editing remains challenging .