Geo Energy Resources Limited is an investment holding company, which operates as a coal producer and a mine contractor. The Company is an integrated coal mining company with operations in coal mines, coal production and selling coal. Its segments include Coal production, Coal trading, and Mining services and others. The Coal production segment is engaged in the sale of coal extracted from operating the Company's coal mines. The Coal trading segment is engaged in the purchase of coal from third parties with the intention to sell in the near future. Its Mining services and others segment is engaged in mining contracting and equipment rental services. It owns mining concessions in East and South Kalimantan. Its subsidiaries include Geo Coal International Pte. Ltd., which is engaged in Coal trading in Singapore; PT Geo Energy Coalindo, which is engaged in investment holding in Indonesia, and Borneo International Resources Pte. Ltd., which is engaged in investment holding in Singapore.