diff --git a/backend/services/supplyService.js b/backend/services/supplyService.js
index 854b2cf..972a635 100644
--- a/backend/services/supplyService.js
+++ b/backend/services/supplyService.js
@@ -196,12 +196,16 @@ const listKnownSuppliers = async () => {
FROM (
SELECT preferred_supplier AS supplier FROM supply_material_details
UNION ALL
- SELECT supplier FROM supply_lots
+ SELECT supplier FROM supply_stock_lots
UNION ALL
SELECT supplier FROM supply_receipts
UNION ALL
SELECT supplier FROM supply_fabric_plans
UNION ALL
+ SELECT supplier FROM supply_purchase_orders
+ UNION ALL
+ SELECT supplier FROM production_orders
+ UNION ALL
SELECT supplier FROM production_yield_supplier_recommendations
) sources
WHERE NULLIF(BTRIM(supplier), '') IS NOT NULL
diff --git a/src/pages/Supplies.tsx b/src/pages/Supplies.tsx
index 5da2667..151a65d 100644
--- a/src/pages/Supplies.tsx
+++ b/src/pages/Supplies.tsx
@@ -414,7 +414,6 @@ const SuppliesHub = () => {