| 2000 | D | Xant Tour Buses | Xanterra YNP Tour Buses | Business |
| 2001 | D | Xant OF Lodge HK | Xanterra YNP Old Faithful Lodges Housekeeping | Business |
| 2002 | D | Xant Bridge Bay | Xanterra YNP Bridge Bay Campground | Business |
| 2003 | D | Xant Canyon CG | Xanterra YNP Canyon Campground | Business |
| 2004 | D | Xant Maintenance | Xanterra YNP Facilities Maintenance | Business |
| 2005 | D | Xant Tow Trucks | Xanterra YNP Vehicle Towing | Business |
| 2007 | D | Construction | Construction Co in Yellowstone National Park (NOT HEARD) | Business |
| 2008 | D | Road Crews | Road Crews in Yellowstone National Park (NOT HEARD) | Business |
| 2011 | D | Business | Business in Yellowstone National Park (NOT HEARD) | Business |
| 2040 | D | Maintenance | Maintenance Co in Yellowstone National Park | Business |
