diff --git a/materiels.tar.gz b/materiels.tar.gz
index e251a4a..0913d59 100644
Binary files a/materiels.tar.gz and b/materiels.tar.gz differ
diff --git a/src/lib/Category.php b/src/lib/Category.php
new file mode 100644
index 0000000..1694006
--- /dev/null
+++ b/src/lib/Category.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Garradin\Plugin\Materiels;
+
+use Garradin\Entity;
+use Garradin\DB;
+
+class Category extends Entity
+{
+  const TABLE = 'plugin_materiels_category';
+
+  protected $id;
+	protected $name;
+
+  protected $_types = [
+    'id' => 'int',
+    'name' => 'string',
+  ];
+
+  static public function listAll(): array
+	{
+		return DB::getInstance()->get('SELECT id, name FROM plugin_materiels_category ORDER BY name COLLATE NOCASE;');
+	}
+}
diff --git a/src/templates/_nav.tpl b/src/templates/_nav.tpl
index 1b9b263..68a2f6b 100644
--- a/src/templates/_nav.tpl
+++ b/src/templates/_nav.tpl
@@ -1,6 +1,7 @@
 <nav class="tabs">
 	<ul>
 		<li class="{if $current == 'index'}current{/if}"><a href="{plugin_url}">Matériels en stock</a></li>
+    <li class="{if $current == 'categories'}current{/if}"><a href="{plugin_url file="categories.php"}">Catégories</a></li>
 		<li class="{if $current == 'entrees_definitives'}current{/if}"><a href="{plugin_url file="entrees_definitives.php"}"><b>Entrées définitives</b></a></li>
 		<li class="{if $current == 'entrees_provisoires'}current{/if}"><a href="{plugin_url file="entrees_provisoires.php"}">Entrées provisoires</a></li>
 		<li class="{if $current == 'sorties_definitives'}current{/if}"><a href="{plugin_url file="sorties_definitives.php"}">Sorties définitives</a></li>
diff --git a/src/templates/categories.tpl b/src/templates/categories.tpl
new file mode 100644
index 0000000..afcca8b
--- /dev/null
+++ b/src/templates/categories.tpl
@@ -0,0 +1,35 @@
+{include file="admin/_head.tpl" title="%s"|args:$plugin.nom current="plugin_%s"|args:$plugin.id}
+
+{include file="%s_nav.tpl"|args:$plugin_tpl current="categories"}
+
+<form method="post" action="{$self_url}">
+  <fieldset>
+    <legend>Ajouter une catégorie</legend>
+    <dl>
+      {input type="text" name="name" label="Nom" required=true}
+    </dl>
+		<p class="submit">
+			{csrf_field key=$csrf_key}
+			{button type="submit" name="save" label="Ajouter" shape="right" class="main"}
+		</p>
+  </fieldset>
+</form>
+
+<table class="list">
+	<thead>
+		<th>Nom</th>
+		<td></td>
+	</thead>
+	<tbody>
+		{foreach from=$list item="cat"}
+			<tr>
+				<th>{$cat.name}</th>
+				<td class="actions">
+          {linkbutton shape="delete" label="Supprimer" href="supprimer_categorie.php?id=%d"|args:$cat.id}
+				</td>
+			</tr>
+		{/foreach}
+	</tbody>
+</table>
+
+{include file="admin/_foot.tpl"}
diff --git a/src/www/admin/_inc.php b/src/www/admin/_inc.php
index d5947db..1a06596 100644
--- a/src/www/admin/_inc.php
+++ b/src/www/admin/_inc.php
@@ -2,4 +2,6 @@
 
 namespace Garradin;
 
+$session->requireAccess($session::SECTION_USERS, $session::ACCESS_WRITE);
+
 $tpl->assign('plugin_tpl', PLUGIN_ROOT . '/templates/');
diff --git a/src/www/admin/categories.php b/src/www/admin/categories.php
new file mode 100644
index 0000000..e51add8
--- /dev/null
+++ b/src/www/admin/categories.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Garradin;
+
+use Garradin\Plugin\Materiels\Category;
+use Garradin\Membres\Session;
+
+require_once __DIR__ . '/_inc.php';
+
+$csrf_key = 'cat_create';
+
+$form->runIf('save', function() {
+	$cat = new Category;
+	$cat->importForm([
+	   'name' => ucfirst(f('name')),
+	]);
+  try {
+    $cat->save();
+  } catch (\RuntimeException $e) {
+    throw new UserException('Cette catégorie existe déjà.');
+  }
+}, $csrf_key, Utils::getSelfURI());
+
+$list = Category::listAll();
+
+$tpl->assign(compact('csrf_key', 'list'));
+
+$tpl->display(PLUGIN_ROOT . '/templates/categories.tpl');
diff --git a/src/www/admin/supprimer_categorie.php b/src/www/admin/supprimer_categorie.php
new file mode 100644
index 0000000..0960979
--- /dev/null
+++ b/src/www/admin/supprimer_categorie.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Garradin;
+
+require_once __DIR__ . '/_inc.php';
+
+$tpl->display(PLUGIN_ROOT . '/templates/index.tpl');