Name the suppliers that supply products under the category 'cheeses.'
suppliers refers to CompanyName; 'cheeses' is a Description
SELECT DISTINCT T1.CompanyName FROM Suppliers AS T1 INNER JOIN Products AS T2 ON T1.SupplierID = T2.SupplierID INNER JOIN Categories AS T3 ON T2.CategoryID = T3.CategoryID WHERE T3.Description = 'Cheeses'