| A-Basin, Inc., Dissolved August 8, 1979Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Jun 16, 1972 | Voluntarily Dissolved |
| THE CLINTON COMPANY OF COLORADO, Dissolved May 1, 1998Location not reported, CO · Administratively Dissolved | Location not reported, CO | Corporation | Jul 14, 1983 | Administratively Dissolved |
| REPUBLIC TRANSPORTATION FINANCE, INC., Dissolved October 21, 2004Aurora, CO · Voluntarily Dissolved | Aurora, CO | Corporation | Jan 11, 1991 | Voluntarily Dissolved |
| RFC EQUIPMENT THREE, INC., Dissolved October 28, 2004Aurora, CO · Voluntarily Dissolved | Aurora, CO | Corporation | Mar 31, 1993 | Voluntarily Dissolved |
| RFC WOOD PRODUCTIONS/34, INC., Dissolved January 26, 2001Aurora, CO · Voluntarily Dissolved | Aurora, CO | Corporation | Nov 15, 2000 | Voluntarily Dissolved |
| RFC WOOD PRODUCTS, LLC, Dissolved January 26, 2001Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Nov 17, 2000 | Voluntarily Dissolved |
| READER GENERATION, LLC, Dissolved October 21, 2004Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Jun 7, 2001 | Voluntarily Dissolved |
| RFC ENERGY ACQUISITION I, LLC, Dissolved October 21, 2004Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Jun 7, 2001 | Voluntarily Dissolved |
| NEXGEN HIGHWALL MINING GROUP, LLC, Dissolved October 2, 2009Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Sep 13, 2001 | Voluntarily Dissolved |
| NEXGEN HIGHWALL MINING SYSTEMS, LLC, Dissolved October 2, 2009Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Sep 13, 2001 | Voluntarily Dissolved |
| REPUBLIC LOAN INVESTORS, INC., Dissolved October 21, 2004Aurora, CO · Voluntarily Dissolved | Aurora, CO | Corporation | Sep 19, 2001 | Voluntarily Dissolved |
| NEXGEN HIGHWALL MINING SERVICES, LLC, Dissolved May 21, 2009Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Nov 9, 2001 | Voluntarily Dissolved |
| NEXGEN HIGHWALL MINING LEASING I, LLC, Dissolved April 10, 2009Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Apr 3, 2002 | Voluntarily Dissolved |
| NEXGEN HIGHWALL MINING LEASING II, LLC, Dissolved May 21, 2009Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Jul 12, 2002 | Voluntarily Dissolved |
| George Davies LLCGolden, CO · Good Standing | Golden, CO | LLC | Jan 31, 2010 | Good Standing |
| Blue Pearl Investors LLCGolden, CO · Good Standing | Golden, CO | LLC | May 11, 2010 | Good Standing |
| Belgian Toone, LLC, Delinquent October 1, 2014Location not reported, CO · Delinquent | Location not reported, CO | LLC | May 23, 2012 | Delinquent |