EX-21.1 2 dex211.htm LIST OF SUBSIDIARIES OF SEMGROUP ENERGY PARTNERS, L.P. List of Subsidiaries of SemGroup Energy Partners, L.P.

Exhibit 21.1

LIST OF SUBSIDIARIES

OF

SEMGROUP ENERGY PARTNERS, L.P.

 

Name of Subsidiary

 

State of Organization

SemGroup Energy Partners Operating, L.L.C.   Delaware

SemGroup Energy Partners, L.L.C. (d/b/a SemGroup Energy Partners of Delaware, L.L.C. (in Oklahoma))

  Delaware
SemPipe G.P., L.L.C.   Delaware
SemPipe, L.P.   Texas
SemMaterials Energy Partners, L.L.C.   Delaware