Here’s a list of companies selling vegan belts online.
Bhava Studio is an American company offering women’s belts. https://bhavastudio.com/collections/belts
Corkor is a Portuguese company that sells women’s and men’s belts made out of cork. They deliver worldwide. https://www.corkor.com/collections/womens-cork-belts and https://www.corkor.com/collections/mens-cork-belts
Doshi is an American company that sells both men’s and women’s belts. https://doshi.shop/collections/belts
Freerangers is a British company offering belts in several colors. https://www.freerangers.co.uk/belts
LLBean is an American company that offers several men’s non-leather belts made out of polyester and recycled materials in various colors. https://www.llbean.com/llb/search/?freeText=belts+for+men&init=1
MooShoes is an American company selling a variety of belts. https://www.mooshoes.com/collections/belts
Nae is a Portuguese company that ships belts worldwide.
https://nae-vegan.com/en-us/collections/belts-women
Nomadic State of Mind is an American company that sells belts made out of rope.
https://shop.nomadicstateofmind.com/category-s/165.htm
Truth Belts is a Canadian company that specializes in belts for men and women.
Veganline is a British company that sells belts in different colors and with different buckles and ships to various countries. https://veganline.com/belts
Vegan Scene is an American company that sells belts for women and men in various colors. https://veganscene.com/collections/belts
Vegetarian Shoes is a British company selling a variety of vegan belts.
https://www.vegetarian-shoes.co.uk/accessories/belts/10043_0c.html
The Vegetarian Site is an American company selling a wide variety of belts.
https://store.thevegetariansite.com/index.php?route=product/category&path=96
Watson & Wolfe is a British company offering men’s belts. https://www.watsonwolfe.com/non-leather-vegan-belts/