We know advantages of free classified ads posting, you can buy & sell your products, services and business as you like whether it is free or paid. Here I have collected some High PR and potential Pet classified websites for you. Hope these links will help you.
Here is list goes...
http://www.pets-classifieds.co.uk/
http://www.ukclassifieds.co.uk/pets_animals-b17.html
http://www.adpets.co.uk/
http://classified.yummypets.com/gb
http://www.friday-ad.co.uk/
http://www.petgroomerads.com/
http://trib.com/ads/sale/pet/
http://classifieds.registerguard.com/g/pets-25844571-b
http://qctimes.com/ads/sale/pet/
http://classifieds.syracuse.com/
http://herald-review.com/ads/sale/pet/
http://classifieds.castanet.net/cat/marketplace/pets/
http://classifieds.oregonlive.com/
http://classifieds.nola.com/
http://billingsgazette.com/ads/sale/pet/
http://classifieds.oregonlive.com/
https://www.petsads.com/
http://www.classifiedads.com/pets-17.html
http://www.pet-classifieds.com/
http://www.gadzoo.com/baltimoresun/Pets.aspx
http://www.miamiherald.com/classified-ads/category/Pets+/+Animals
Here is list goes...
http://www.pets-classifieds.co.uk/
http://www.ukclassifieds.co.uk/pets_animals-b17.html
http://www.adpets.co.uk/
http://classified.yummypets.com/gb
http://www.friday-ad.co.uk/
http://www.petgroomerads.com/
http://trib.com/ads/sale/pet/
http://classifieds.registerguard.com/g/pets-25844571-b
http://qctimes.com/ads/sale/pet/
http://classifieds.syracuse.com/
http://herald-review.com/ads/sale/pet/
http://classifieds.castanet.net/cat/marketplace/pets/
http://classifieds.oregonlive.com/
http://classifieds.nola.com/
http://billingsgazette.com/ads/sale/pet/
http://classifieds.oregonlive.com/
https://www.petsads.com/
http://www.classifiedads.com/pets-17.html
http://www.pet-classifieds.com/
http://www.gadzoo.com/baltimoresun/Pets.aspx
http://www.miamiherald.com/classified-ads/category/Pets+/+Animals