Exhibit 21

A. T. Massey Coal Company, Inc.

Alex Energy, Inc.

Alpha American Coal Company, LLC

Alpha American Coal Holding, LLC

Alpha Appalachia Holdings, Inc.

Alpha Appalachia Services, Inc.

Alpha Australia, LLC

Alpha Coal India Private Limited

Alpha Coal Resources Company, LLC

Alpha Coal Sales Co., LLC

Alpha Coal Sales International Limited

Alpha Coal West, Inc.

Alpha European Sales, Inc.

Alpha Gas and Oil Company

Alpha India, LLC

Alpha Land and Reserves, LLC

Alpha Midwest Holding Company

Alpha Natural Resources, Inc.

Alpha Natural Resources, LLC

Alpha Natural Resources International, LLC

Alpha Natural Resources Services, LLC

Alpha Natural Resources Singapore Private Limited

Alpha PA Coal Terminal, LLC

Alpha Shipping and Chartering, LLC

Alpha Sub One, LLC

Alpha Sub Two, LLC

Alpha Terminal Company, LLC

Alpha Wyoming Land Company, LLC

AMFIRE, LLC

AMFIRE Holdings, LLC

AMFIRE Mining Company, LLC

AMFIRE WV, L.P.

ANR Second Receivables Funding, LLC

Appalachia Coal Sales Company, Inc.

Appalachia Holding Company

Aracoma Coal Company, Inc.

Austin Rubber Company LLC ¹ 

Axiom Excavating and Grading Services, LLC

Bandmill Coal Corporation

Bandytown Coal Company

Barbara Holdings Inc.

Barnabus Land Company

Belfry Coal Corporation

Ben Creek Coal Company

Big Bear Mining Company

Black Castle Mining Company, Inc.

Black Dog Coal, LLC

Black King Mine Development Co.

Black Mountain Cumberland Resources, Inc.

Boone East Development Co.

Brooks Run Mining Company, LLC

Brooks Run South Mining, LLC

Buchanan Energy Company, LLC

Castle Gate Holding Company

Central Penn Energy Company, Inc.

Ceratech, Inc. ² 

Ceratech USA Holdings, LLC ³ 

Clear Fork Coal Company

Coal Gas Recovery II, LLC ⁴ 

Coral Energy Services, LLC

Crystal Fuels Company

Cumberland Coal Resources, LP

Dehue Coal Company

Delbarton Mining Company

Delta Mine Holding Company

Dickenson-Russell Coal Company, LLC

Dickenson-Russell Land and Reserves, LLC

Dominion Terminal Associates ⁵ 

DRIH Corporation

Dry Systems Technologies, Inc.

Duchess Coal Company

Eagle Energy, Inc.

Elk Run Coal Company, Inc.

Emerald Coal Resources, LP

Enterprise Mining Company, LLC

Esperanza Coal Co., LLC

Excelven Pty Ltd. ⁶ 

Foundation Mining, LLC

Foundation PA Coal Company, LLC

Foundation Royalty Company

Freeport Mining, LLC

Freeport Resources Company, LLC

Green Source Energy LLC ⁷ 

Goals Coal Company

Gray Hawk Insurance Company

Green Valley Coal Company

Greyeagle Coal Company

Harlan Reclamation Services LLC

Herndon Processing Company, LLC

Highland Mining Company

Hopkins Creek Coal Company

Independence Coal Company, Inc.

Jacks Branch Coal Company

Jay Creek Holding, LLC

Joboner Coal Company

Kanawha Energy Company

Kepler Processing Company, LLC

Kingston Mining, Inc.

Kingwood Mining Company, LLC

Knox Creek Coal Corporation

Lauren Land Company

Laxare, Inc.

Litwar Processing Company, LLC

Logan County Mine Services, Inc.

Long Fork Coal Company

Lynn Branch Coal Company, Inc.

Mahatamil Mining and Thermal Energy Limited ⁸

Maple Meadow Mining Company

Marfork Coal Company, Inc.

Marshall Land LLC ⁹ 

Martin County Coal Corporation

Maxxim Rebuild Co., LLC

Maxxim Shared Services, LLC

Maxxum Carbon Resources, LLC

McDowell-Wyoming Coal Company, LLC

Mill Branch Coal Corporation

Mountaineer Capital, LP ¹⁰ 

Neweagle Industries, Inc.

New Ridge Mining Company

New River Energy Corporation

Nicewonder Contracting, Inc.

North Fork Coal Corporation

Omar Mining Company

Paramont Coal Company Virginia, LLC

Paynter Branch Mining, Inc.

Peerless Eagle Coal Co.

Pennsylvania Land Holdings Company, LLC

Pennsylvania Land Resources Holding Company, LLC ¹¹ 

Pennsylvania Land Resources, LLC ¹² 

Pennsylvania Services Corporation

Performance Coal Company

Peter Cave Mining Company

Pigeon Creek Processing Corporation

Pilgrim Mining Company, Inc.

Pioneer Fuel Corporation

Plateau Mining Corporation

Power Mountain Coal Company

Premium Energy, LLC

Rawl Sales & Processing Co.

Republic Energy, Inc.

Resource Development LLC

Resource Land Company LLC

River Processing Corporation

Riverside Energy Company, LLC

Riverton Coal Production Inc.

Road Fork Development Company, Inc.

Robinson-Phillips Coal Company

Rockspring Development, Inc.

Rostraver Energy Company

Rum Creek Coal Sales, Inc.

Russell Fork Coal Company

Shannon-Pocahontas Coal Corporation

Shannon-Pocahontas Mining Company

Sidney Coal Company, Inc.

Solomons Mining Company

Spartan Mining Company

Stirrat Coal Company

Sycamore Fuels, Inc.

T. C. H. Coal Co.

Tennessee Consolidated Coal Company

Tennessee Energy Corp.

Trace Creek Coal Company

Tucson Limited Liability Company

Twin Star Mining, Inc.

Twisted Gun, LLC ¹³ 

Vantage Mining Company

Wabash Mine Holding Company

Warrick Holding Company

West Kentucky Energy Company

White Buck Coal Company

Williams Mountain Coal Company

Wyomac Coal Company, Inc.

Wyoming Quality Healthcare Coalition, LLC ¹⁴ 

____________________________

¹ Green Source Holdings, LLC owns an undivided interest in Austin Rubber Company LLC.

² Alpha Natural Resources, LLC owns a 9.13% interest.

³ Alpha Natural Resources, LLC owns an 8.73% interest.

⁴ Pennsylvania Land Resources Holding Company, LLC owns 100% interest (Pennsylvania Services Corporation owns a 50% interest in Pennsylvania Land Resources Holding Company, LLC).

⁵ Alpha Terminal Company, LLC owns a 40.6% interest.

⁶ Alpha Natural Resources, LLC owns a 24.5% interest.

⁷Alpha Natural Resources, LLC owns a 7.05% interest.

⁸ Alpha Natural Resources International, LLC owns a 0.44% interest.

⁹ Tucson Limited Liability Company owns a 50% interest.

¹⁰ Elk Run Coal Company, Inc. owns a 54% interest.

¹¹ Pennsylvania Services Corporation owns 50% interest.

¹² Pennsylvania Land Resources Holding Company, LLC owns 100% interest (Pennsylvania Services Corporation owns 50% interest in Pennsylvania Land Resources Holding Company, LLC).

¹³ Premium Energy, LLC owns a 33.33% interest.

¹⁴ Alpha Coal West, Inc. owns a 33-1/3% interest.