you might also try Costco if you are in the US. Anecdotally, a friend of mine is a supplier for Costco on the food/beverage side, and told me that they did more

you might also try Costco if you are in the US. Anecdotally, a friend of mine is a supplier for Costco on the food/beverage side, and told me that they did more diligence than all their other customers combined. EDIT: you might also just try going direct to small suppliers, a lot wineries also make olive oil https://winecountrytable.com/travel/other-activities/six-sonoma-wineries-that-make-pure-extra-virgin-olive-oil-to-rival-their-wines https://winecountrytable.com/travel/other-activities/six-son...