100% Pure, Californian Olive Oil Council Certified Extra Virgin Olive Oil. Every tree at Marcum Olive Oil has been grown in a sustainable (non-certified organic) method, free of pesticides, that promotes a healthy balance in our soil, and surrounding wildlife. Our olives are hand-picked, first cold pressed within 4-5 hours, and bottled right here on the Central Coast of California. Our internationally award winning oils are famous for their exquisite flavors, high polyphenyl content and long shelf life. Our primary focus is to bring you the highest quality Extra Virgin Olive Oils, that taste great and are good for you. We are happy to share our taste and expertise in Olive Oil.