Exhibit 21.1
SUBSIDIARIES OF
CRESTWOOD MIDSTREAM PARTNERS LP
| Name | Jurisdiction | |
| Arlington Storage Company, LLC | Delaware | |
| Arrow Field Services, LLC | Delaware | |
| Arrow Midstream Holdings, LLC | Delaware | |
| Arrow Pipeline, LLC | Delaware | |
| Arrow Water, LLC | Delaware | |
| CEQP Finance Corp. | Delaware | |
| CMLP Tres Manager LLC | Delaware | |
| CMLP Tres Operator LLC | Delaware | |
| Cowtown Gas Processing Partners L.P. | Texas | |
| Cowtown Pipeline Partners L.P. | Texas | |
| Crestwood Appalachia Pipeline LLC | Texas | |
| Crestwood Arkansas Pipeline LLC | Texas | |
| Crestwood Canada Company | Nova Scotia | |
| Crestwood Crude Logistics LLC | Delaware | |
| Crestwood Crude Services LLC | Delaware | |
| Crestwood Crude Terminals LLC | Delaware | |
| Crestwood Crude Transportation LLC | Delaware | |
| Crestwood Dakota Pipelines LLC | Delaware | |
| Crestwood Delaware Basin LLC | Delaware | |
| Crestwood Gas Marketing LLC | Delaware | |
| Crestwood Gas Services GP LLC | Delaware | |
| Crestwood Gas Services Operating GP LLC | Delaware | |
| Crestwood Gas Services Operating LLC | Delaware | |
| Crestwood Marcellus Midstream LLC | Delaware | |
| Crestwood Marcellus Pipeline LLC | Delaware | |
| Crestwood Midstream Finance Corp. | Delaware | |
| Crestwood Midstream GP LLC | Delaware | |
| Crestwood Midstream Operations LLC | Delaware | |
| Crestwood Midstream Partners LP | Delaware | |
| Crestwood New Mexico Pipeline LLC | Texas | |
| Crestwood Niobrara LLC | Delaware | |
| Crestwood Ohio Midstream Pipeline LLC | Delaware | |
| Crestwood Operations LLC | Delaware | |
| Crestwood Panhandle Pipeline LLC | Texas | |
| Crestwood Partners LLC | Delaware | |
| Crestwood Pipeline and Storage Northeast LLC | Delaware | |
| Crestwood Pipeline East LLC | Delaware | |
| Crestwood Pipeline LLC | Texas | |
| Crestwood Sabine Pipeline LLC | Texas | |
| Crestwood Sales & Service Inc. | Delaware | |
| Crestwood Services LLC | Delaware | |
| Crestwood Storage Inc. | Delaware | |
| Crestwood Transportation LLC | Delaware | |
| Crestwood West Coast LLC | Delaware | |
| E. Marcellus Asset Company, LLC | Delaware | |
| Finger Lakes LPG Storage, LLC | Delaware | |
| IPCH Acquisition Corp. | Delaware | |
| Jackalope Gas Gathering Services, L.L.C. | Oklahoma | |
| Powder River Basin Industrial Complex, LLC | Delaware |
| Name | Jurisdiction | |
| Sabine Treating, LLC | Texas | |
| Stagecoach Gas Services LLC | Delaware | |
| Stagecoach Operating Services LLC | Delaware | |
| Stagecoach Pipeline & Storage Company LLC | New York | |
| Stellar Propane Service, LLC | Delaware | |
| Tres Palacios Gas Storage LLC | Delaware | |
| Tres Palacios Holdings LLC | Delaware | |
| Tres Palacios Midstream, LLC | Delaware | |
| US Salt, LLC | Delaware |