To identify your top vendors within a specific category, such as concentrates, drill into that specific category by clicking on its associated ellipsis (...).
You'll then have the option to look at "Inventory Coverage" or "[Category] Details"
Choose "[Category] Details."
You'll then be directed to a "Category Details" dashboard with four, custom filter options. To look at vendor information by your desired category, select "Summarize By"..."Vendor."
If you scroll down, you'll be able to see your Vendors ranked by their revenue contribution (with respect to your chosen category, custom date range and store(s)!