PT. Indomoro

PT. Kuda Perdana Pertiwi,

PT. Lautan Hutan Lestari,

PT. Bara Sentosa Lestari

PT. Pampangan Palm Resources

PT. Tempirai Energy Resources

PT. Kekal Adidaya

PT. Bomboy Central Prima Coal,

PT. Karya Permata Prima

PT. Kencana Wilsa

PT. CCU

PT. Kaltim Prima Coal

PT. Kartika Selabumi Mining

PT. Gamma Mitra Sejahtera

PT. Waja Shakti Mandiri,

PT. KDA

PT. Manoor Bulatn Lestari

PT. Kikim Resources.

PT. Kaltim Prima Coal

PT. SeAH R&I

Brahma Group

PT. Killara Resource

PT. Surya Tambang Tolindo.

PT. Bumi Artha Kutai Jaya

PT. Sin Coal

PT. Surya Kalimantan Sejahtera

PT. Tering Coal Mining

PT. PLN Batubara

PT. Strait Resources

BHP

Magma Nusantara Ltd

Marathon Petroleum

Star Energy

Tately N.V/Harvest

Unocoal Geothermal

Lincoln Minerals

PT. Jasa Prima

PT. Multi Prima Energi

PT. Sorikmas Indonesia

PT. Indocement

Mathanha Mining P.L.

AED Rambebai BV

PT. Lampung Sejahtera Bersama

Mitra Energy