Suppliers for 800x800mm floor tiles include large online marketplaces like Alibaba and Made-in-China for wholesale from China, specialized tile brands like Megan Cera, and major manufacturers such as Kajaria, Somany, and Varmora (in India), offering porcelain, vitrified, and ceramic options with various finishes (glossy, matte, anti-slip) for residential and commercial use. Key suppliers like Hanseceramictile offer extensive designs, while you can also find local distributors through platforms like Justdial. 

To Find a Supplier Near You: Search for "800x800mm porcelain tiles [Your City/Country]" or check major tile retailer websites, as many carry large format options.