- GNP Power, Inc.
- Great Northern Project Development, L.P.
- Great Northern Properties Limited Partnership
- Natural Resource Partners L.P. - www.nrplp.com
- New Gauley Coal Corporation
- Quintana Maritime Limited - www.excelmaritime.com
- Robertson Coal Ventures, L.P.
- Western Pocahontas Properties Limited Partnership
Legacy investments were made prior to the formation of Quintana Capital Group and continue to be controlled or managed by Corbin J. Robertson, Jr. the Managing Partner of Quintana. Quintana Capital Group has no ownership interest in these investments.