diff --git a/src/Order/NotNullFirst.php b/src/Order/NotNullFirst.php
new file mode 100644
index 0000000..9eb2c45
--- /dev/null
+++ b/src/Order/NotNullFirst.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Matters\Order;
+
+use Matters\Column;
+use Zend\Db\Sql\Expression;
+
+class NotNullFirst extends Expression
+{
+    public function __construct(Column $column)
+    {
+        $expression = 'ISNULL(%s) ASC';
+        parent::__construct(
+            sprintf($expression, $column->getExpression())
+        );
+    }
+}
\ No newline at end of file
diff --git a/tests/Order/NotNullFirstTest.php b/tests/Order/NotNullFirstTest.php
new file mode 100644
index 0000000..229f1b0
--- /dev/null
+++ b/tests/Order/NotNullFirstTest.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Matters\Order;
+
+use Matters\TableIdentifier;
+use PHPUnit\Framework\TestCase;
+
+class NotNullFirstTest extends TestCase
+{
+    public function testInstance()
+    {
+        $groupTable = new TableIdentifier('group');
+        $column = $groupTable->column('owner_id');
+
+        $expression = new NotNullFirst($column);
+        self::assertSame(
+            'ISNULL("group".owner_id) ASC',
+            $expression->getExpression()
+        );
+    }
+}
\ No newline at end of file