As of 2020, SİERRA TURKS GLOBAL TRADİNG COMPANY markets the following coal:

- Anthracite (Low sulphur): AS, AKO

- Sub-bituminous Coal

- Ortho-Lignite coal

- Steam coal (Low volatile)

- SPC Sumatra 3400 GAR Specification

- SPC Sumatra 4200 GAR Specification

- LNX Sumatra 6300 ADB Specification

- MIA Sumatra 6000 GAR Specification