diff --git a/mrp_multi_level/models/mrp_inventory.py b/mrp_multi_level/models/mrp_inventory.py
index e005d23ce..82107739d 100644
--- a/mrp_multi_level/models/mrp_inventory.py
+++ b/mrp_multi_level/models/mrp_inventory.py
@@ -1,5 +1,5 @@
 # © 2016 Ucamco - Wim Audenaert <wim.audenaert@ucamco.com>
-# Copyright 2016-19 ForgeFlow S.L. (https://www.forgeflow.com)
+# Copyright 2016-21 ForgeFlow S.L. (https://www.forgeflow.com)
 # - Jordi Ballester Alomar <jordi.ballester@forgeflow.com>
 # - Lois Rilo Antelo <lois.rilo@forgeflow.com>
 # License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
@@ -68,6 +68,12 @@ class MrpInventory(models.Model):
         readonly=True,
         store=True,
     )
+    main_supplier_id = fields.Many2one(
+        string="Main Supplier",
+        related="product_mrp_area_id.main_supplier_id",
+        readonly=True,
+        store=True,
+    )
 
     def _compute_uom_id(self):
         for rec in self:
diff --git a/mrp_multi_level/views/mrp_inventory_views.xml b/mrp_multi_level/views/mrp_inventory_views.xml
index 1cef82094..39b926ef3 100644
--- a/mrp_multi_level/views/mrp_inventory_views.xml
+++ b/mrp_multi_level/views/mrp_inventory_views.xml
@@ -17,6 +17,10 @@
                             <field name="product_id" />
                             <field name="product_mrp_area_id" />
                             <field name="supply_method" />
+                            <field
+                                name="main_supplier_id"
+                                attrs="{'invisible': [('supply_method', '!=', 'buy')]}"
+                            />
                             <field name="date" />
                         </group>
                         <group>
@@ -57,6 +61,7 @@
                     attrs="{'invisible':[('to_procure','&lt;=',0.0)]}"
                 />
                 <field name="supply_method" />
+                <field name="main_supplier_id" optional="hide" />
                 <field name="running_availability" />
             </tree>
         </field>
@@ -118,6 +123,11 @@
                         string="Supply Method"
                         context="{'group_by':'supply_method'}"
                     />
+                    <filter
+                        name="group_main_supplier_id"
+                        string="Main Supplier"
+                        context="{'group_by':'main_supplier_id'}"
+                    />
                     <filter
                         name="group_release_date"
                         string="Date to Procure"