diff --git commerce.info commerce.info
index 40862e6..d94b88a 100644
--- commerce.info
+++ commerce.info
@@ -1,6 +1,7 @@
 ; $Id$
 name = Commerce
 description = Defines features and functions common to the Commerce modules.
+dependencies[] = entity
 package = Commerce
 core = 7.x
 
diff --git modules/store/commerce_store.admin.inc modules/store/commerce_store.admin.inc
new file mode 100644
index 0000000..1050ae3
--- /dev/null
+++ modules/store/commerce_store.admin.inc
@@ -0,0 +1,95 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Message type editing UI.
+ */
+
+/**
+ * UI controller.
+ */
+class StoreUIController extends EntityDefaultUIController {
+
+  /**
+   * Overrides hook_menu() defaults.
+   */
+  public function hook_menu() {
+    $items = parent::hook_menu();
+    $items[$this->path]['description'] = 'Manage stores, including fields.';
+    return $items;
+  }
+}
+
+/**
+ * Generates the message type editing form.
+ */
+function commerce_store_form($form, &$form_state, $store, $op = 'edit') {
+  if ($op == 'clone') {
+    $store->label .= ' (cloned)';
+    $store->name .= '_clone';
+  }
+
+  $form['description'] = array(
+    '#title' => t('Description'),
+    '#type' => 'textfield',
+    '#default_value' => $store->description,
+    '#description' => t('The human-readable description of this store.'),
+    '#required' => TRUE,
+  );
+  // Machine-readable type name.
+  $form['name'] = array(
+    '#type' => 'machine_name',
+    '#default_value' => isset($store->name) ? $store->name : '',
+    '#disabled' => entity_has_status('commerce_store', $store, ENTITY_IN_CODE),
+    '#machine_name' => array(
+      'exists' => 'commerce_store_load',
+      'source' => array('description'),
+    ),
+    '#description' => t('A unique machine-readable name for this store. It must only contain lowercase letters, numbers, and underscores.'),
+  );
+
+  field_attach_form('commerce_store', $store, $form, $form_state);
+
+  $form['actions'] = array('#type' => 'actions');
+  $form['actions']['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Save store'),
+    '#weight' => 40,
+  );
+
+  if (!entity_has_status('commerce_store', $store, ENTITY_IN_CODE) && $op != 'add') {
+    $form['actions']['delete'] = array(
+      '#type' => 'submit',
+      '#value' => t('Delete store'),
+      '#weight' => 45,
+      '#limit_validation_errors' => array(),
+      '#submit' => array('commerce_store_form_submit_delete')
+    );
+  }
+  return $form;
+}
+
+/**
+ * Validation callback.
+ */
+function commerce_store_form_validate($form, &$form_state) {
+  entity_form_field_validate('commerce_store', $form, $form_state);
+}
+
+/**
+ * Form API submit callback for the type form.
+ */
+function commerce_store_form_submit(&$form, &$form_state) {
+  $commerce_store = entity_ui_form_submit_build_entity($form, $form_state);
+  // Save and go back.
+  $commerce_store->save();
+  $form_state['redirect'] = 'admin/structure/commerce-store';
+}
+
+/**
+ * Form API submit callback for the delete button.
+ */
+function commerce_store_form_submit_delete(&$form, &$form_state) {
+  $form_state['redirect'] = 'admin/structure/commerce-store/manage/' . $form_state['commerce_store']->name . '/delete';
+}
diff --git modules/store/commerce_store.info modules/store/commerce_store.info
new file mode 100644
index 0000000..1252552
--- /dev/null
+++ modules/store/commerce_store.info
@@ -0,0 +1,9 @@
+; $Id$
+name = Store
+description = Defines the Store entity and associated features.
+package = Commerce
+dependencies[] = commerce
+dependencies[] = entity
+core = 7.x
+
+files[] = commerce_store.admin.inc
\ No newline at end of file
diff --git modules/store/commerce_store.install modules/store/commerce_store.install
new file mode 100644
index 0000000..536e72d
--- /dev/null
+++ modules/store/commerce_store.install
@@ -0,0 +1,59 @@
+<?php
+// $Id$
+
+/**
+ * Implements hook_schema().
+ */
+function commerce_store_schema() {
+  $schema = array();
+
+  $schema['commerce_store'] = array(
+    'description' => 'The base table for stores.',
+    'fields' => array(
+      'id' => array(
+        'description' => 'The primary identifier for a store.',
+        'type' => 'serial',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+      ),
+      'name' => array(
+        'description' => 'The unified identifier for a store.',
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'description' => array(
+        'description' => 'Description for this store.',
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'created' => array(
+        'description' => 'The Unix timestamp when the order was created.',
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'changed' => array(
+        'description' => 'The Unix timestamp when the order was most recently saved.',
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+    ) + entity_exportable_schema_fields(),
+    'primary key' => array('id'),
+    'unique keys' => array(
+      'name' => array('name'),
+    ),
+    'foreign keys' => array(
+      'owner' => array(
+        'table' => 'users',
+        'columns' => array('uid' => 'uid'),
+      ),
+    ),
+  );
+
+  return $schema;
+}
diff --git modules/store/commerce_store.module modules/store/commerce_store.module
new file mode 100644
index 0000000..140e090
--- /dev/null
+++ modules/store/commerce_store.module
@@ -0,0 +1,249 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Defines the core Commerce order entity and API functions to manage orders and
+ * interact with them.
+ */
+
+/**
+ * Implements hook_entity_info().
+ */
+function commerce_store_entity_info() {
+  $items['commerce_store'] = array(
+    'label' => t('Store'),
+    'controller class' => 'EntityAPIController',
+    'entity class' => 'Store',
+    'base table' => 'commerce_store',
+    'fieldable' => TRUE,
+    'entity keys' => array(
+      'id' => 'id',
+      'label' => 'description',
+      'name' => 'name',
+    ),
+    'exportable' => TRUE,
+    'export' => array(
+      'default hook' => 'default_commerce_store',
+    ),
+    'module' => 'commerce_store',
+    'access callback' => 'commerce_store_access',
+    // Enable the entity API's admin UI.
+    'admin ui' => array(
+      'path' => 'admin/structure/commerce-store',
+      'file' => 'commerce_store.admin.inc',
+      'controller class' => 'StoreUIController',
+    ),
+  );
+
+  return $items;
+}
+
+/**
+ * Implements hook_permission().
+ */
+function commerce_store_permission() {
+  $permissions = array(
+    'administer stores' => array(
+      'title' => t('Administer stores'),
+      'restrict access' => TRUE,
+    ),
+  );
+
+  return $permissions;
+}
+
+/**
+ * Implements hook_default_commerce_store().
+ */
+function commerce_store_default_commerce_store() {
+  return commerce_store_create('default', array('description' => t('Default store')));
+}
+
+/**
+ * A class used for message types.
+ */
+class Store extends Entity {
+
+  public $name;
+
+  public function __construct($values = array()) {
+    parent::__construct($values, 'commerce_store');
+
+    // Set creation date.
+    if (!isset($this->timestamp)) {
+      $this->timestamp = time();
+    }
+  }
+}
+
+/**
+ * Creates a new store.
+ *
+ * If a store already exists, an exception will be thrown.
+ *
+ * @return Store
+ *   Returns a new store object.
+ */
+function commerce_store_create($name, $values = array()) {
+  // Make sure the message type doesn't already exist, to prevent duplicate key
+  // error.
+  if (commerce_store_load($name)) {
+    throw new Exception('Commerce store ' . check_plain($name) . ' already exists.');
+  }
+  $values['name'] = $name;
+  $return = entity_create('commerce_store', $values);
+
+  return $return;
+}
+
+/**
+ * Store loader.
+ *
+ * @param $type_name
+ *   (optional) The name for this message type. If no type is given all existing
+ *   types are returned.
+ *
+ * @return Store
+ *   Returns a fully-loaded store definition if a name is passed.
+ *   Else an array containing all stores is returned.
+ */
+function commerce_store_load($name = NULL) {
+  // Replace dashes with underscores so this can be used as menu argument
+  // loader too.
+  $types = entity_load('commerce_store', isset($name) ? array(strtr($name, array('-' => '_'))) : FALSE);
+  if (isset($name)) {
+    return isset($types[$name]) ? $types[$name] : FALSE;
+  }
+  return $types;
+}
+
+/**
+ * Inserts or updates a store object into the database.
+ *
+ * @param $message
+ *   The message object to be inserted.
+ *
+ * @return
+ *   Failure to write a record will return FALSE. Otherwise SAVED_NEW or
+ *   SAVED_UPDATED is returned depending on the operation performed.
+ */
+function commerce_store_save($message) {
+  return entity_save('commerce_store', $message);
+}
+
+/**
+ * Deletes an existing store.
+ *
+ * @param $message
+ *   The message object to be deleted.
+ */
+function commerce_store_delete($message) {
+  return entity_delete('commerce_store', $message);
+}
+
+/**
+ * Checks store access for various operations.
+ *
+ * @param $op
+ *   The operation being performed. One of 'view', 'update', 'create' or
+ *   'delete'.
+ * @param $order
+ *   Optionally an order to check access for.
+ * @param $account
+ *   The user to check for. Leave it to NULL to check for the current user.
+ */
+function commerce_store_access($op, $order = NULL, $account = NULL) {
+  // TODO
+  return TRUE;
+}
+
+/**
+ * Implements hook_field_schema().
+ */
+function commerce_store_field_schema($field) {
+  $columns = array(
+    'id' => array(
+      'type'     => 'int',
+      'unsigned' => TRUE,
+      'not null' => FALSE,
+    ),
+  );
+  return array(
+    'columns' => $columns,
+    'indexes' => array('id' => array('id')),
+  );
+}
+
+
+
+/**
+ * Implements hook_field_info().
+ */
+function commerce_store_field_info() {
+  return array(
+    'commerce_store_reference' => array(
+      'label' => t('Store reference'),
+      'description' => t('This field stores the ID of a related store as an integer value.'),
+      'settings' => array(),
+      'instance_settings' => array(),
+      'default_widget' => 'options_select',
+      'default_formatter' => 'commerce_store_default',
+      'property_type' => 'commerce_store',
+      'property_callbacks' => array('commerce_store_property_info_callback'),
+    ),
+  );
+}
+
+/**
+ * Implements hook_field_validate().
+ */
+function commerce_store_field_validate($entity_type, $object, $field, $instance, $langcode, $items, &$errors) {
+}
+
+/**
+ * Implements hook_field_is_empty().
+ */
+function commerce_store_field_is_empty($item, $field) {
+  return empty($item['id']);
+}
+
+/**
+ * Implements hook_field_formatter_info().
+ */
+function commerce_store_field_formatter_info() {
+  return array(
+    'commerce_store_default' => array(
+      'label' => t('Store view'),
+      'description' => t('Display the line items via a default View.'),
+      'field types' => array('commerce_store_reference'),
+      // TODO: Implement view.
+      'settings' => array(
+        'view' => 'commerce_store_table|default',
+      ),
+    ),
+  );
+}
+
+/**
+ * Implements hook_field_formatter_settings_form().
+ */
+function commerce_store_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
+}
+
+/**
+ * Implements hook_field_formatter_settings_summary().
+ */
+function commerce_store_field_formatter_settings_summary($field, $instance, $view_mode) {
+}
+
+/**
+ * Implements hook_field_formatter_view().
+ */
+function commerce_store_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
+    $result[0] = array(
+      '#markup' => $entity->view(),
+    );
+
+  return $result;
+}
\ No newline at end of file