@Chas, yes, a lot of the AEMSA members sell only juices, except ecblend, and I have checked the rest of the makers: their flavors are all based on PG. TFA removed Chrysanthemum, Honeysuckle and Pecan (see my post #16)and their non-PG flavors are based on plastic destroying triacetin which can't be healthy for our lungs.
@FinallyQuit, In that list there seem to be some vendors that I did not yet check, but I already saw that the list is not updated, cause PerfumersApprentice/FlavorApprentice sells only 6 non-PG flavors. And at first site it seems a lot of vendors on that list just use/resell FlavorApprentice.
Another problem is, that a lot of vendors will ship to our neighbour countries, but not to the Netherlands for some odd reason, or their shipping costs are ridiculously high. Most of them don't ship anything to the EU.
So far, I've only found ecblend and naturesflavors, but naturesflavors webshop is soooo confusing!
It seems that there are 284 organic flavor extracts without diactetyl, but they seem to be based on alcohol.
(and $ 35 for shipping!)
On the NaturesFlavors shop I have compared some flavors:
ALMOND
Product code: NF-3715/ND
What is in it? Just alcohol?
Organic Almond Flavor Extract (Kosher, Vegan, Gluten Free) Excellent for baking, ice cream, coffee syrups and in beverage applications! (without diacetyl $ 11,95 for 2 oz)
And for the next diacetyl free almond flavor the minimum order is 1 gallon: (gallon?

):
Product code: NF-5704/ND
Organic, Gluten-free, Vegan, Kosher, and Alcohol free:
Almond Flavor Concentrate Kosher, vegan, gluten-free, alcohol free,,bakery flavor,dairy flavor,ice cream flavor
FRENCH VANILLA
Product code: NF-7282/ND
Organic French Vanilla Flavor Extract (without diacetyl $ 11,95 for 2 oz)
Organic flavor Kosher, Vegan, Gluten-Free, beverages.
Twice as expensive: Product code: NF-8843
Organic French Vanilla Coffee and Tea Flavor without Diacetyl ($12,99 for 1 oz)
Feingold Approved, Gluten Free, Kosher, Non-Alergenic, Vegan
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Naturesflavors is far too complicated. I love the simplicity of ordering from ecblend, and be able to try 5ml bottles first (and if you wish, you can get nicotine for free till 24mg)
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To prevent a headache I'm not going to search further today.