Gone:
Gayla - Jelly bean
India - balloons > 30"
Q24
Q16 (soon?)
Punchballs - neon 24" size. Not sure I can find anything bigger than 16"
South America 24" (just hard to import, see below)
RCR Products 20x36" and 24"
Also gone, added from below:
Malaysia 30" (I think 36" too)
Everts 18"
Everts mouse ears?
Q16 clear sprays
Still around:
Cattex 32" / 36" long neck
Czermak & Feger 22" long neck
Tuftex 24" / regular neck
Chinese 30" (very thin / tear shape)
Cattex R32 (very round/no neck)
Party City 24" (I think these are Amscan. No neck)
Seems like they are getting rid of lots of them over the years, and some I probably didn't know about or forgot.