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The following are subsidiaries of Southwestern Energy Company:
  • A. W. Realty Company, LLC
  • Angelina Gathering Company, LLC
  • DeSoto Gathering Company, LLC
  • Southwestern Energy NGV Services, LLC
  • SWN E&P Services, LLC
  • SWN Energy Services Company, LLC
  • SWN Midstream Services Company, LLC 
  • SWN Drilling Company, LLC
  • SWN Producer Services, LLC 
  • SWN Production (Arkansas), LLC 
  • SWN Production Company, LLC
  • SWN Well Services, LLC
  • SWN Resources Canada, Inc.
  • SWN Resources Western Canada, Inc.

Invoices for all subsidiaries should be submitted to:

Southwestern Energy Company
P.O. Box 672625
Houston, TX 77267