Here is a list of some suppliers. I have used some personally and other crafters have attested to the ones I have not personally used. Please let us know of your experiences with these and other suppliers so we can update and add to the list accordingly.
Bulk Apothecary (Essential Oils, Oils, Containers, Vitamins, Herbs)
Hobby Lobby (Essential Oils, Containers)
Rocky Mountain Oils (Essential Oils)
doTerra (Essential Oils)
Sun’s Eye (Essential Oils)
Container & Packaging (Containers)