List of all categories and subcategories for business (B2B,B2C), companies and individual users

I need a full list of all categories and subcategories for business (B2B,B2C), companies and individual users to new [login to view URL] Portal. New list of categories must be adapted to users: - business users (companies) - B2B offers - B2C offers - individual users (private persons) >>> Very IMPORTANT <<< New list of categories must be adapted: in about 70% to B2B, B2C and business users in about 30% individual users (private persons) Main category and only subcategories. Not sub-subcategories / only one level. Categories: - Category1: - - subcategory1 - - subcategory2 - - subcategory3 - - subcategory4 - - subcategory x - - etc - Category2: - - subcategory1 - - subcategory2 - - subcategory3 - - subcategory4 - - subcategory x -- etc Check out all portals, websites, local websites with business and individual ads: - all famous portals with business offers and ads - OLX, Alibaba, AliExpress, Gumtree, and other (but these are generally for individuals) - 5 Hindu portals - our [login to view URL] Portal - etc Still remember about this: >>> Very IMPORTANT <<< New list of categories must be adapted: in about 70% to B2B, B2C and business users in about 30% individual users (private persons) For sure must be categories related to business (they are in our [login to view URL] Portal): Buy (only one main category for business and individuals) Exchange | Barter (only one main category) Business cooperation: - Give a commision - Establish cooperation - Outsourcing - Other Investing (what kind of subcategories?) Franchise (what kind of subcategories?) Job (what kind of subcategories?) - countries EXPO | Events (what kind of subcategories?) Other also: Products -- with all possible subcategories Services -- with all possible subcategories and such a categories for the individuals: Real estate -- with all possible subcategories Cars -- with all possible subcategories For home -- with all possible subcategories Electronics -- with all possible subcategories Science -- with all possible subcategories For children -- with all possible subcategories Animals -- with all possible subcategories Wedding -- with all possible subcategories Community -- with all possible subcategories Friends | Dating -- with all possible subcategories Other