Hitachi-IES obtained ISO9001 at the following location.
| Location | Registered date | Registering Number |
|---|---|---|
| Hitachi Industrial Equipment Systems Co., Ltd. | Dec. 17, 2001 | JQA-2052 |
| Hitachi Industrial Equipment Systems Co., Ltd. (Narashino Division) |
Jul. 25, 2003 | JQA-1153 |
| Hitachi Industrial Equipment Systems Co., Ltd. (Nakajyo Division) |
Dec. 13, 2002 | JQA-1000 |
| Hitachi Industrial Equipment Systems Co., Ltd. (Shimizu Division) |
Jun. 27, 2003 | JQA-QM3443 |
| Hitachi Industrial Equipment Systems Co.,Ltd. Business Operations Group Air Compressor Systems Division Sagami Administrative Division |
Jan. 4, 1999 | JSAQ 416 |
| Hitachi Industrial Equipment Systems Co., Ltd. (Taga Division) |
Apr. 1, 2005 | JQA-QMA12087 |
| Hitachi Keiyo Engineering and Systems Ltd. | Dec. 6, 2002 | JQA-QM5747 |
| Hitachi Industrial Technology (Thailand) Ltd. | Jan. 31, 2003 | NQ088/99 |
| Hitachi Industrial Equipment (Nanjing) Co., Ltd. | Jan. 19, 2004 | 0204Q10454ROM |
| Hitachi Qiandian (Hangzhou) Transformer Co., Ltd. | Feb. 15, 2011 | 00211Q10723ROS |
