| Company | Category | Area | Address | Web | Contact person | |
| ENTERGY-KOCH L P | gas transmission/distribution | Texas | 20 GREENWAY PLZ STE 950, HOUSTON, Harris, Texas, 77046-2008, USA | - | - | Kyle Vann |
| ENTERGYSHAW GENERAL MANAGEMENT | management services | Texas | 1430 ENCLAVE PKWY, HOUSTON, Harris, Texas, 77077-2023, USA | - | - | - |
