Works up until actual import.

app/Import/Mapper/Bills.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * Bills.php
+ * Copyright (C) 2016 thegrumpydictator@gmail.com
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+declare(strict_types = 1);
+
+namespace FireflyIII\Import\Mapper;
+
+use FireflyIII\Models\Bill;
+use FireflyIII\Repositories\Bill\BillRepositoryInterface;
+
+/**
+ * Class Bills
+ *
+ * @package FireflyIII\Import\Mapper
+ */
+class Bills implements MapperInterface
+{
+
+    /**
+     * @return array
+     */
+    public function getMap(): array
+    {
+        /** @var BillRepositoryInterface $repository */
+        $repository = app(BillRepositoryInterface::class);
+        $result     = $repository->getBills();
+        $list       = [];
+
+        /** @var Bill $bill */
+        foreach ($result as $bill) {
+            $list[$bill->id] = $bill->name . ' [' . $bill->match . ']';
+        }
+        asort($list);
+
+        $list = [0 => trans('csv.do_not_map')] + $list;
+
+        return $list;
+
+    }
+}