http://www.rumblepet.com/

http://www.petcurean.com/coupon

http://petresearch.com/ or https://www.facebook.com/PetResearchInc/app_190322544333196

https://www.facebook.com/beneful/app_355827794445303

http://berganpet.com/prudence-free-sample/ -Update-they’re having issues. I’ll update when it works again

https://www.facebook.com/HillsPetUS/app_301889886597107

http://store-us.cloud9forcats.com/products/free-sample -click add to cart and checkout -working again

https://www.facebook.com/beneful/app_128722593950957-you have to upload and share a photo

http://www.startsampling.com/sm/Sheba102813 -copy paste the link -still available if you didn’t get it earlier this fall