List of companies
-Construction/ Equipment/ Electrical/ Engineering-
- UEKI Corporation ＄# JLPT N2以上
- NANBA Co., Ltd.＄ #
- YAMAZAKIGUMI Co., Ltd.＄ # JLPT N1以上
- Nagaoka Motor Development Co., Ltd.＄ #
- Ohara Corporation＄ # JLPT N3以上
- DAICHI＄# JLPT N2以上
- Hokuetsu Engineering Co., Ltd.＄ # JLPT N3以上
- DAISHI Co., Ltd＄ #
- KUBOSEI ELECTRIC＄ #
- ETRUST Co., Ltd.＄ #
- Omni Giken Co., Ltd.＄ # JLPT N2以上
