| Owner ID | Owner Name | Ownership % | Entity Type | Public? |
|---|---|---|---|---|
| E100000000943 | IMM Investment | 21.7% | legal entity | |
| E100001013161 | Anadarko Petroleum | 21.7% | legal entity | |
| E100001014282 | Enterprise Products Partners | 35.0% | legal entity | ✓ |
| E100002016134 | Enbridge Energy Partners | 21.7% | legal entity |