I have accounts with many fabric lines including the below list. Check out these sources and contact me if you see something you want samples of. 

 

  https://www.thibautdesign.com/        https://www.greenhousefabrics.com       https://www.fschumacher.com/

https://fabricadefabrics.com/           https://www.estout.com/         https://www.kravet.com/