EX-21 5 exhibit_21.htm REQUIRED INFORMATION CONCERNING THE REGISTRANT'S SUBSIDIARIES exhibit_21.htm
 
Exhibit 21
 
 
 
ONEOK, Inc.
 
SUBSIDIARIES OF THE COMPANY
 
Divisions
  
   
Oklahoma Natural Gas Company, a division of ONEOK, Inc.
  
Kansas Gas Service Company, a division of ONEOK, Inc.
  
Texas Gas Service Company, a division of ONEOK, Inc.
  
ONEOK Gas Transportation Company, a division of ONEOK, Inc.
  
   
 
State of
 
Incorporation
Subsidiaries
or Organization
   
Kansas Gas Marketing Company
Kansas
ONEOK Partners GP, L.L.C.
Delaware
NBP Services, LLC
Delaware
ONEOK Bushton Processing, Inc.
Delaware
ONEOK Energy Marketing Company
Oklahoma
ONEOK Energy Services Canada, Ltd.
Canada
ONEOK Energy Services Company, II
Delaware
ONEOK Energy Services Company, L.P.
Texas
ONEOK Energy Services Holdings, L.L.C.
Oklahoma
ONEOK Kansas Company
Kansas
ONEOK Kansas Properties, L.L.C.
Kansas
ONEOK Leasing Company
Delaware
ONEOK Parking Company, L.L.C.
Delaware
ONEOK Propane Company
Delaware
ONEOK Services Company
Oklahoma
ONEOK Texas Resources, Inc.
Delaware
ONEOK Partners, L.P. (45.1%)
Delaware
   
Subsidiaries of ONEOK Partners, L.P.
  
   
ONEOK Partners Intermediate Limited Partnership
Delaware
ONEOK ILP GP, L.L.C.
Delaware
Bear Paw Investments, LLC
Delaware
Bear Paw Energy, LLC
Delaware
Bear Paw Processing Company (Canada), Ltd.
Alberta
Brown Bear Enterprises, LLC
Delaware
Border Minnesota Pipeline, LLC
Delaware
Black Mesa Holdings, Inc.
Delaware
Black Mesa Pipeline, Inc.
Delaware
Black Mesa Pipeline Operations, L.L.C.
Delaware
 
 
 
 
 
Black Mesa Technologies, Inc.
Oklahoma
Border Midstream Services, Ltd.
Alberta
Border Midwestern Company
Delaware
Midwestern Gas Transmission Company
Delaware
Border Viking Company
Delaware
Viking Gas Transmission Company
Delaware
Crestone Energy Ventures, L.L.C.
Delaware
Crestone Bighorn, L.L.C.
Delaware
Crestone Gathering Services, L.L.C.
Delaware
Crestone Powder River, L.L.C.
Delaware
Crestone Wind River, L.L.C.
Delaware
Northern Border Pipeline Company (general partnership) (50%)
Texas
China Pipeline Holdings Ltd. (0.81%)
Cayman Islands
Guardian Pipeline, L.L.C.
Delaware
Bighorn Gas Gathering, L.L.C. (49%)
Delaware
Fort Union Gas Gathering, L.L.C. (37.04%)
Delaware
Lost Creek Gathering Company, L.L.C. (35%)
Delaware
Chisholm Pipeline Company (50%)
Delaware
Chisholm Pipeline Holdings, L.L.C.
Delaware
Mid Continent Market Center, L.L.C.
Kansas
OkTex Pipeline Company, L.L.C.
Delaware
ONEOK Arbuckle Pipeline, L.L.C.
Delaware
ONEOK Arbuckle North Pipeline, L.L.C.
Delaware
ONEOK Arbuckle Land Company
Texas
ONEOK Field Services Company, L.L.C.
Oklahoma
ONEOK Gas Gathering, L.L.C.
Oklahoma
ONEOK Gas Storage Holdings, L.L.C.
Delaware
ONEOK Gas Storage, L.L.C.
Oklahoma
ONEOK Gas Transportation, L.L.C.
Oklahoma
ONEOK Hydrocarbon, L.L.C.
Delaware
ONEOK Hydrocarbon, L.P.
Delaware
ONEOK Hydrocarbon GP, L.L.C.
Delaware
ONEOK Hydrocarbon Holdings, L.L.C.
Delaware
ONEOK Hydrocarbon Southwest, L.L.C.
Delaware
ONEOK MB I, L.P.
Delaware
ONEOK Midstream Gas Supply, L.L.C.
Oklahoma
ONEOK Mont Belvieu Storage Company, L.L.C.
Delaware
ONEOK NGL Pipeline, L.L.C.
Delaware
ONEOK NGL Gathering, L.L.C.
Delaware
ONEOK North System, L.L.C.
Delaware
ONEOK Overland Pass Holdings, L.L.C.
Oklahoma
ONEOK Pipeline Holdings, L.L.C.
Delaware
ONEOK Texas Gas Storage, L.L.C.
Texas
ONEOK Transmission Company, L.L.C.
Delaware
ONEOK Underground Storage Company, L.L.C.
Kansas
ONEOK VESCO Holdings, L.L.C.
Delaware
 
 
 
 
 
ONEOK WesTex Transmission, L.L.C.
Delaware
Overland Pass Pipeline Company LLC
Delaware
Potato Hills Gas Gathering System (joint venture) (51%)
Oklahoma
Sycamore Gas System (general partnership) (48.445%)
Oklahoma
Venice Energy Services Company, L.L.C. (10.1765%)
Delaware
Mont Belvieu I Fractionation Facility (joint venture) (80%)
Texas
Heartland Pipeline Company (general partnership) (50%)
Texas