There are many PT schemes operated worldwide. You find a large share of them in our database. Really frequently operated schemes, no one-off, single PT rounds. Try and browse our database, it is free to use. Found a suitable PT scheme? Please contact its provider directly for further info.
Here two really really good tips for your database query:
Flexi search: use oil* to find oil, oils, oilseeds ...
Logic search: use (color OR colour) AND textile* etc.