EX-21 12 wmb_20161231xex21.htm EX-21 Exhibit
Exhibit 21

 
 
 
 
ENTITY
JURISDICTION
 
 
 
 
ACMP Finance Corp.
Delaware
Alliance Canada Marketing L.P.
Alberta
Alliance Canada Marketing LTD
Alberta
Appalachia Midstream Services, L.L.C.
Oklahoma
Aux Sable Liquid Products Inc.
Delaware
Aux Sable Liquid Products LP
Delaware
Aux Sable Midstream LLC
Delaware
Bargath LLC
Delaware
Baton Rouge Fractionators LLC
Delaware
Baton Rouge Pipeline LLC
Delaware
Black Marlin Pipeline LLC
Texas
Blue Racer Midstream, LLC
Delaware
Bluestem Gas Services, L.L.C.
Oklahoma
Caiman Energy II, LLC
Delaware
Caiman Ohio Midstream, LLC
Texas
Carbon County UCG, Inc.
Delaware
Carbonate Trend Pipeline LLC
Delaware
Cardinal Gas Services, L.L.C.
Delaware
Cardinal Operating Company, LLC
Delaware
Cardinal Pipeline Company, LLC
North Carolina
Constitution Pipeline Company LLC
Delaware
Discovery Gas Transmission LLC
Delaware
Discovery Producer Services LLC
Delaware
DMP New York, Inc.
New York
Gulfstar One LLC
Delaware
Gulfstream Management & Operating Services, L.L.C.
Delaware
Gulfstream Natural Gas System, L.L.C.
Delaware
HB Construction Company Ltd.
Alberta
HI-BOL Pipeline LLC
Delaware
Inland Ports, Inc.
Tennessee
Jackalope Gas Gathering Services, L.L.C.
Oklahoma
Laurel Mountain Midstream Operating LLC
Delaware
Laurel Mountain Midstream, LLC
Delaware
Louisiana Midstream Gas Services, L.L.C.
Oklahoma
Magnolia Midstream Gas Services, L.L.C.
Oklahoma
Marsh Resources, LLC
Delaware
Mid-Continent Fractionation and Storage, LLC
Delaware
Mockingbird Midstream Gas Services, L.L.C.
Oklahoma
Northwest Pipeline LLC
Delaware
Oklahoma Midstream Gas Services, L.L.C.
Oklahoma
Overland Pass Pipeline Company LLC
Delaware


Exhibit 21

Pacific Connector Gas Pipeline, LLC
Delaware
Pacific Connector Gas Pipeline, LP
Delaware
Parachute Pipeline LLC
Delaware
Pecan Hill Water Solutions
Delaware
Pennant Midstream LLC
Delaware
Pine Needle LNG Company, LLC
North Carolina
Pine Needle Operating Company, LLC
Delaware
Ponder Midstream Gas Services, L.L.C.
Delaware
Ranch Westex JV LLC
Delaware
Reserveco Inc.
Delaware
SCMS LLC
Delaware
Texas Midstream Gas Services, L.L.C.
Oklahoma
The Williams Companies Foundation, Inc.
Oklahoma
The Williams Companies, International Holdings B.V.
Dutch BV
Three Rivers Midstream LLC
Delaware
TransCardinal Company, LLC
Delaware
TransCarolina LNG Company, LLC
Delaware
Transco Exploration Company
Delaware
Transcontinental Gas Pipe Line Company, LLC
Delaware
TWC Holdings C.V.
Netherlands
Utica East Ohio Midstream, L.L.C.
Delaware
Utica Gas Services, L.L.C.
Oklahoma
Wamsutter LLC
Delaware
WFS - Liquids LLC
Delaware
WFS - Pipeline LLC
Delaware
WFS Enterprises LLC
Delaware
WFS Gathering Company, L.L.C.
Delaware
Williams ACM Holdings ULC
British Columbia
Williams Acquisition Holding Company LLC
New Jersey
Williams Alaska Petroleum, Inc.
Alaska
Williams Bayou Ethane Pipeline, LLC
Delaware
Williams Blu Operating LLC
Delaware
Williams Bluegrass Pipeline LLC
Delaware
Williams Compression, L.L.C.
Oklahoma
Williams CV Holdings LLC
Delaware
Williams Energy Canada GP ULC
Alberta
Williams Energy Canada LP
Alberta
Williams Energy de Mexico, S. de. R.L. de C.V.
Mexico
Williams Energy Resources LLC
Delaware
Williams Energy Solutions LLC
Delaware
Williams Express LLC
Delaware
Williams Express, Inc.
Alaska
Williams Field Services - Gulf Coast Company, L.P.
Delaware
Williams Field Services Company, LLC
Delaware
Williams Field Services Group, LLC
Delaware
Williams Flexible Generation, LLC
Delaware


Exhibit 21

Williams Four Corners LLC
Delaware
Williams Gas Pipeline Company, LLC
Delaware
Williams Gas Processing - Gulf Coast Company, L.P.
Delaware
Williams Global Energy (Cayman) Limited
Cayman Islands
Williams Global Holdings LLC
Delaware
Williams Gulf Coast Gathering Company, LLC
Delaware
Williams Gulf Coast Transportation Company LLC
Delaware
Williams Headquarters Building LLC
Delaware
Williams Holdings and Manufacturing LLC
Delaware
Williams Hutch Rail Company, LLC
Delaware
Williams Information Technology LLC
Delaware
Williams International Company LLC
Delaware
Williams International El Furrial Limited
Cayman Islands
Williams International Pigap Limited
Cayman Islands
Williams International Services Company
Nevada
Williams International Venezuela Limited
Cayman Islands
Williams Laurel Mountain, LLC
Delaware
Williams Mexico Holdings B.V.
Netherlands
Williams Mexico Sub-Holdings B.V.
Netherlands
Williams Midstream Gas Services, L.L.C.
Oklahoma
Williams MLP Operating, L.L.C.
Delaware
Williams Mobile Bay Producer Services, L.L.C.
Delaware
Williams New Soda, Inc.
Delaware
Williams Ohio Valley Midstream LLC
Texas
Williams Ohio Valley Pipeline LLC
Delaware
Williams Oil Gathering, L.L.C.
Delaware
Williams Olefins Development, LLC
Delaware
Williams Olefins Feedstock Pipelines, L.L.C.
Delaware
Williams Olefins, L.L.C.
Delaware
Williams Pacific Connector Gas Operator, LLC
Delaware
Williams Partners Cooperatief U.A.
Netherlands
Williams Partners Finance Corporation
Delaware
Williams Partners International Holdings LLC
Delaware
Williams Partners International Sub-Holdings LLC
Delaware
Williams Partners L.P.
Delaware
Williams Partners Operating LLC
Delaware
Williams PERK, LLC
Delaware
Williams Permian Midstream, L.L.C.
Oklahoma
Williams Petroleum Services, LLC
Delaware
Williams Pipeline Services LLC
Delaware
Williams Propylene Company LLC
Delaware
Williams Purity Pipelines, LLC
Delaware
Williams Resource Center, L.L.C.
Delaware
Williams Soda Holdings, LLC
Delaware
Williams Sodium Products Company
Delaware
Williams Strategic Sourcing Company
Delaware


Exhibit 21

Williams West Texas Processing, L.L.C.
Oklahoma
Williams WPC - I, LLC
Delaware
WilPro Energy Services (El Furrial) Limited
Cayman Islands
WilPro Energy Services (Pigap II) Limited
Cayman Islands
WPZ GP LLC
Delaware