Brand, Category, and Subcategory selection UI (User Interface). This UI provides a simple and easy way to find right products associated with 10,000 brands, 50 categories, and 2000 subcategories. CUSTOMIZATION SERVICE Available. CONTACT US. FYI. This demo shows all categories and subcategories per brand. If you have specific mappings between them, we will take care of them as well so only relevant data show up in the selection menu.