| THE ENGLEWOOD ASC, LLCLocation not reported, CO · Merged | Location not reported, CO | LLC | Apr 2, 1998 | Merged |
| C/M DENVER II, LLC, Colorado Authority Terminated December 1, 2000Location not reported, CO · Revoked | Location not reported, CO | LLC | Jun 18, 1998 | Revoked |
| CORRECTIONS CORPORATION OF AMERICALocation not reported, CO · Merged | Location not reported, CO | Corporation | Sep 18, 1998 | Merged |
| COLORADO EM-I MEDICAL SERVICES, P.C., Dissolved August 4, 2026Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Nov 24, 1998 | Voluntarily Dissolved |
| COLORADO EM-II, INC., Dissolved May 29, 2018Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Nov 24, 1998 | Voluntarily Dissolved |
| HEALTHCARE ADMINISTRATIVE SERVICES, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 2, 1999 | Good Standing |
| DRY CREEK SURGERY CENTER LLC, Dissolved January 26, 2011Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | LLC | Jul 6, 1999 | Voluntarily Dissolved |
| Allee Agency Inc.Location not reported, CO · Converted | Location not reported, CO | Corporation | Dec 22, 1999 | Converted |
| AMBULATORY CARE CENTERS OF AMERICA, INC., Colorado Authority Relinquished March 16, 2011Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Mar 24, 2000 | Withdrawn |
| EMCARE PHYSICIAN SERVICES, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Apr 24, 2000 | Good Standing |
| LINK2GOV CORP., Colorado Authority Terminated December 1, 2002Location not reported, CO · Revoked | Location not reported, CO | Corporation | Jun 16, 2000 | Revoked |
| PHYCOR, INC., Colorado Authority Terminated March 3, 2004Location not reported, CO · Revoked | Location not reported, CO | Corporation | Sep 11, 2000 | Revoked |
| Mentis Technology, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Oct 30, 2000 | Good Standing |
| HPMDIRECT, INC., Colorado Authority Terminated January 16, 2002Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | May 7, 2001 | Withdrawn |
| SHERIDAN HEALTHCARE OF COLORADO, P.C., Dissolved October 31, 2025Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | May 22, 2001 | Voluntarily Dissolved |
| A & B INSURANCE SOLUTIONS, LLC, Delinquent June 1, 2016Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jan 28, 2002 | Delinquent |
| RAR GROUP, LLC.Location not reported, CO · Good Standing | Location not reported, CO | LLC | Jun 12, 2002 | Good Standing |
| Joe Brands LLC, Dissolved June 30, 2014Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | LLC | Jun 18, 2002 | Voluntarily Dissolved |
| CCA PROPERTIES OF AMERICA, LLC, Colorado Authority Relinquished February 10, 2017Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Jan 9, 2003 | Withdrawn |
| C K LEASING LLCLocation not reported, CO · Converted | Location not reported, CO | LLC | Jan 29, 2003 | Converted |
| BNA-CK HOLDINGS, LLCLocation not reported, CO · Converted | Location not reported, CO | LLC | Feb 5, 2003 | Converted |
| THE PUEBLO CO OPHTHALMOLOGY ASC, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Aug 21, 2003 | Good Standing |
| EmCare, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Jan 16, 2004 | Good Standing |
| NEOSPINE IMAGING OF DENVER, LLC, Colorado Authority Relinquished May 26, 2009Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Feb 5, 2004 | Withdrawn |
| DENVER SPINE CENTER, LLC, Colorado Authority Relinquished May 22, 2009Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Feb 5, 2004 | Withdrawn |
| CHUM, LLC, Colorado Authority Relinquished June 14, 2006Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Feb 19, 2004 | Withdrawn |
| NeoSpine Management Services, LLC, Delinquent November 1, 2010Location not reported, CO · Delinquent | Location not reported, CO | LLC | May 6, 2005 | Delinquent |
| Emergency Medical Services, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | May 19, 2005 | Good Standing |
| Paggy Properties, LLC, Dissolved January 4, 2018Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | LLC | Aug 15, 2005 | Voluntarily Dissolved |
| Big Ring Events, LLC, Dissolved May 18, 2026Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | LLC | Oct 28, 2005 | Voluntarily Dissolved |
| EmCare Holdco, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Dec 16, 2005 | Good Standing |
| GEFFEN VISIONS INTERNATIONAL, INC, Delinquent October 1, 2018Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Dec 27, 2005 | Delinquent |
| James L. Parks Elk Creek, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | May 22, 2006 | Good Standing |
| 9461 Huron Street, LLC, Colorado Authority Relinquished May 20, 2009Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Jun 28, 2006 | Withdrawn |
| Sheridan Children's Healthcare Services of Colorado, P.C., Dissolved October 6, 2026Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Dec 15, 2006 | Voluntarily Dissolved |
| Inpatient Services of Colorado, P.C., Dissolved April 9, 2026Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Sep 18, 2007 | Voluntarily Dissolved |
| Benefit Communications, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jan 17, 2008 | Good Standing |
| CARS RECON INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Aug 26, 2008 | Good Standing |
| Boulder Cancer Care, LLC, Colorado Authority Relinquished April 4, 2012Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Apr 8, 2009 | Withdrawn |
| Canon City CO Multi-Specialty ASC, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Apr 23, 2009 | Good Standing |
| Pros Temporary Staffing, Inc., Colorado Authority Relinquished December 19, 2016Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Dec 8, 2009 | Withdrawn |
| NightRays, P.A.Location not reported, CO · Good Standing | Location not reported, CO | Other | Dec 14, 2009 | Good Standing |
| Colorado TeleRad, LLC, Dissolved October 20, 2023Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | LLC | Feb 5, 2010 | Voluntarily Dissolved |
| Ferguson & Associates Corporation, Colorado Authority Relinquished March 25, 2025Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | May 17, 2010 | Withdrawn |
| Telerad of CO Account Management , LLC, Dissolved October 20, 2023Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | LLC | Jul 27, 2010 | Voluntarily Dissolved |
| Holiday Acquisition Company, Inc., Dissolved April 8, 2025Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Mar 31, 2011 | Voluntarily Dissolved |
| DENVER ANESTHESIA SERVICES, LLC, Colorado Authority Relinquished May 25, 2016Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Sep 16, 2011 | Withdrawn |
| NSC Healthcare, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 21, 2011 | Good Standing |
| Custom Compounding Centers, LLC, Colorado Authority Relinquished November 10, 2015Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Nov 7, 2011 | Withdrawn |
| GB Transportation, LLC, Delinquent August 1, 2023Location not reported, CO · Delinquent | Location not reported, CO | LLC | Nov 22, 2011 | Delinquent |