Are there any?
Also, are there any european Atari 2600 cartridge makers who are willing to fill a cartridge with .rom file and perhaps glue a nice label to the cartridge for the same price? I am not planning to rip anyone´s cartridge sales, but might be interested to play some silly old hacks on my Atari 2600, I mean freely available ones which never had cartridge release or might have been sold out a decade ago. 
I know Hozervideo is still around, but Hozer is on the other side of Atlantic Ocean.
Thank you in advance!