| | | | | | | | |
| Name | Jurisdiction | CMLP Notes |
| Crestwood Midstream Partners LP | Delaware | Co-Issuer |
| Crestwood Midstream Finance Corp. | Delaware | Co-Issuer |
| Arrow Field Services, LLC | Delaware | Guarantor |
| Arrow Midstream Holdings, LLC | Delaware | Guarantor |
| Arrow Pipeline, LLC | Delaware | Guarantor |
| Arrow Water Services LLC | Delaware | Guarantor |
| Arrow Water, LLC | Delaware | Guarantor |
| Beartooth DevCo LLC | Delaware | Guarantor |
| Bighorn DevCo LLC | Delaware | Guarantor |
| Bobcat DevCo LLC | Delaware | Guarantor |
| CMLP Tres Manager LLC | Delaware | Guarantor |
| CMLP Tres Operator LLC | Delaware | Guarantor |
| Cowtown Gas Processing Partners L.P. | Texas | Guarantor |
| Cowtown Pipeline Partners L.P. | Texas | Guarantor |
| Crestwood Appalachia Pipeline LLC | Texas | Guarantor |
| Crestwood Arkansas Pipeline LLC | Texas | Guarantor |
| Crestwood Crude Logistics LLC | Delaware | Guarantor |
| Crestwood Crude Services LLC | Delaware | Guarantor |
| Crestwood Crude Terminals LLC | Delaware | Guarantor |
| Crestwood Crude Transportation LLC | Delaware | Guarantor |
| Crestwood Dakota Pipelines LLC | Delaware | Guarantor |
| Crestwood Energy Services LLC | Delaware | Guarantor |
| Crestwood Gas Services Operating GP LLC | Delaware | Guarantor |
| Crestwood Gas Services Operating LLC | Delaware | Guarantor |
| Crestwood Marcellus Midstream LLC | Delaware | Guarantor |
| Crestwood Marcellus Pipeline LLC | Delaware | Guarantor |
| Crestwood Midstream Operations LLC | Delaware | Guarantor |
| Crestwood Ohio Midstream Pipeline LLC | Delaware | Guarantor |
| Crestwood Operations LLC | Delaware | Guarantor |
| Crestwood Panhandle Pipeline LLC | Texas | Guarantor |
| Crestwood Pipeline LLC | Texas | Guarantor |
| Crestwood Sales & Service Inc. | Delaware | Guarantor |
| Crestwood Services LLC | Delaware | Guarantor |
| Crestwood Transportation LLC | Delaware | Guarantor |
| E. Marcellus Asset Company, LLC | Delaware | Guarantor |
| Finger Lakes LPG Storage, LLC | Delaware | Guarantor |
| Panther DevCo LLC | Delaware | Guarantor |
| Rough Rider Midstream Services LLC | Delaware | Guarantor |
| Rough Rider Operating LLC | Delaware | Guarantor |
| Stellar Propane Service, LLC | Delaware | Guarantor |