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EXHIBIT 21.1

LIST OF SUBSIDIARIES

First Tier Subsidiary:

Alliance Resource Operating Partners, L.P. ("AROP") (98.9899% limited partner interest)

Second Tier Subsidiary:

Alliance Coal, LLC ("Alliance Coal") (AROP holds a 99.999% non-managing membership interest)

Alliance Resource Properties, LLC ("Alliance Resource Properties") (AROP holds a 100% membership interest)

Third Tier Subsidiaries: (Alliance Coal holds a 100% membership interest in (or holds 100% of the outstanding capital stock of) each of the following third-tier subsidiaries)

Alliance Design Group, LLC
Alliance Land, LLC
Alliance Properties, LLC
Alliance Service, Inc.
Alliance WOR Processing, LLC
Backbone Mountain, LLC
CR Services, LLC
Excel Mining, LLC
Gibson County Coal, LLC
Hopkins County Coal, LLC
MC Mining, LLC
Mettiki Coal, LLC
Mettiki Coal (WV), LLC
Mt. Vernon Transfer Terminal, LLC
Penn Ridge Coal, LLC
Pontiki Coal, LLC
River View Coal, LLC
Sebree Mining, LLC
Steamport, LLC
Tunnel Ridge, LLC
Warrior Coal, LLC
Webster County Coal, LLC
White County Coal, LLC

(Alliance Resource Properties holds a 100% membership interest in (or holds 100% of the outstanding capital stock of) each of the following third-tier subsidiaries)

ARP Sebree, LLC
ARP Sebree South, LLC
Alliance WOR Properties, LLC

Fourth Tier Subsidiaries:

Matrix Design Group, LLC (Alliance Services, Inc. holds a 100% interest)

All of the above entities are formed or incorporated, as the case may be, under the laws of the State of Delaware.

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EXHIBIT 21.1

LIST OF SUBSIDIARIES