diff --git a/app/Http/Controllers/App/InventoryController.php b/app/Http/Controllers/App/InventoryController.php
index 97eaba0..cb5f5ea 100644
--- a/app/Http/Controllers/App/InventoryController.php
+++ b/app/Http/Controllers/App/InventoryController.php
@@ -24,7 +24,7 @@ public function __construct(
 
     public function index(Request $request)
     {
-        $products = Inventory::with(['category', 'price', 'unitOfMeasure'])->withCount('serials')
+        $products = Inventory::with(['category', 'subcategory', 'price', 'unitOfMeasure'])->withCount('serials')
         ->where('is_active', true);
 
 
@@ -61,7 +61,7 @@ public function index(Request $request)
     public function show(Inventory $inventario)
     {
         return ApiResponse::OK->response([
-            'model' => $inventario->load(['category', 'price', 'unitOfMeasure'])->loadCount('serials')
+            'model' => $inventario->load(['category', 'subcategory', 'price', 'unitOfMeasure'])->loadCount('serials')
         ]);
     }
 
@@ -96,7 +96,7 @@ public function destroy(Inventory $inventario)
     public function getProductsByWarehouse(Request $request, int $warehouseId)
     {
         $query = Inventory::query()
-            ->with(['category', 'price', 'unitOfMeasure'])
+            ->with(['category', 'subcategory', 'price', 'unitOfMeasure'])
             ->where('is_active', true)
             ->whereHas('warehouses', function ($q) use ($warehouseId) {
                 $q->where('warehouse_id', $warehouseId)
diff --git a/app/Http/Controllers/App/SubcategoryController.php b/app/Http/Controllers/App/SubcategoryController.php
index f72b7ed..89a1a0d 100644
--- a/app/Http/Controllers/App/SubcategoryController.php
+++ b/app/Http/Controllers/App/SubcategoryController.php
@@ -12,7 +12,6 @@ class SubcategoryController extends Controller
     public function index(Category $category)
     {
         $subcategorias = $category->subcategories()
-            ->where('is_active', true)
             ->orderBy('name')
             ->paginate(config('app.pagination'));
 
diff --git a/app/Http/Requests/App/InventoryStoreRequest.php b/app/Http/Requests/App/InventoryStoreRequest.php
index 927b97e..222fd83 100644
--- a/app/Http/Requests/App/InventoryStoreRequest.php
+++ b/app/Http/Requests/App/InventoryStoreRequest.php
@@ -25,6 +25,7 @@ public function rules(): array
             'sku' => ['nullable', 'string', 'max:50', 'unique:inventories,sku'],
             'barcode' => ['nullable', 'string', 'unique:inventories,barcode'],
             'category_id' => ['required', 'exists:categories,id'],
+            'subcategory_id' => ['nullable', 'exists:subcategories,id'],
             'unit_of_measure_id' => ['required', 'exists:units_of_measurement,id'],
             'track_serials' => ['nullable', 'boolean'],
 
diff --git a/app/Http/Requests/App/InventoryUpdateRequest.php b/app/Http/Requests/App/InventoryUpdateRequest.php
index c984507..ff23a4c 100644
--- a/app/Http/Requests/App/InventoryUpdateRequest.php
+++ b/app/Http/Requests/App/InventoryUpdateRequest.php
@@ -27,6 +27,7 @@ public function rules(): array
             'sku' => ['nullable', 'string', 'max:50'],
             'barcode' => ['nullable', 'string', 'unique:inventories,barcode,' . $inventoryId],
             'category_id' => ['nullable', 'exists:categories,id'],
+            'subcategory_id' => ['nullable', 'exists:subcategories,id'],
             'unit_of_measure_id' => ['nullable', 'exists:units_of_measurement,id'],
             'track_serials' => ['nullable', 'boolean'],
 
diff --git a/app/Services/ProductService.php b/app/Services/ProductService.php
index d276df3..3fced45 100644
--- a/app/Services/ProductService.php
+++ b/app/Services/ProductService.php
@@ -15,6 +15,7 @@ public function createProduct(array $data)
                 'sku' => $data['sku'],
                 'barcode' => $data['barcode'] ?? null,
                 'category_id' => $data['category_id'],
+                'subcategory_id' => $data['subcategory_id'] ?? null,
                 'unit_of_measure_id' => $data['unit_of_measure_id'],
                 'track_serials' => $data['track_serials'] ?? false,
             ]);
@@ -40,6 +41,7 @@ public function updateProduct(Inventory $inventory, array $data)
                 'sku' => $data['sku'] ?? null,
                 'barcode' => $data['barcode'] ?? null,
                 'category_id' => $data['category_id'] ?? null,
+                'subcategory_id' => $data['subcategory_id'] ?? null,
                 'unit_of_measure_id' => $data['unit_of_measure_id'] ?? null,
                 'track_serials' => $data['track_serials'] ?? null,
             ], fn($value) => $value !== null);