http://prudencepet.com/main/request-a-free-sample/ -working again

http://www.winniescookies.com/facebook-offer.php -post a photo of yourself with your horse, burro, or dog on their Facebook page along with a comment about your equine or dog friend, then fill out the form

http://instoresnow.walmart.com/enhancedrendercontent_ektid103881.aspx

http://www.facebook.com/itsgoodtogivemilkbone?sk=app_185491188240633 -click like then click pledge

https://www.shareholisticselect.com/ -the recipient you choose on that page will get an email that contains a link to the sample form

http://instoresnow.walmart.com/enhancedrendercontent_ektid82797.aspx#/home or copy paste this link: http://www.startsampling.com/sm/102239 -working again

http://www.facebook.com/alpo/app_208832459150926?ref=ts -still working if you didn’t get it last year

http://barfworld.com/html/Ref/sharethelove.php

http://www.arknaturals.com/ -the winter issue of Dog Fancy magaizne says to email sales@arknaturals.com for free samples and coupons