| KNIGHT HOLDCO LLC (Delaware (US)) | details | |
 Aero Investment S.à r.l. (Luxembourg)
|
historic | details |
|
Admiral Institutional S.à r.l. (Luxembourg)
|
historic | details |
 Matador Gen Par B.V. (Netherlands)
|
historic | details |
 TEXAS ENERGY FUTURE CAPITAL HOLDINGS LLC (Delaware (US))
|
historic | details |
| GSPX, L.P. (New York (US)) | historic | details |
|
GS Institutional Infrastructure Matador C.V. (Netherlands)
|
historic | details |
