I've purchased from all of these places and would not recommend them if their oils weren't good.
Aroma Thyme
eBay - WF Med
eBay - Sun Pure Botanicals
These sellers are a bit more - but they have some hard to find oils:
Nature's Gift
Aroma Pure
Ananda Apothecary
Aroma Thyme
eBay - WF Med
eBay - Sun Pure Botanicals
These sellers are a bit more - but they have some hard to find oils:
Nature's Gift
Aroma Pure
Ananda Apothecary