| AJ & L Environmental Services, Inc., Dissolved January 24, 2006Littleton, CO · Voluntarily Dissolved | Littleton, CO | Corporation | Jul 21, 2004 | Voluntarily Dissolved |
| AlphaTech Environmental Services,Inc, Delinquent February 1, 2012Lakewood, CO · Delinquent | Lakewood, CO | Corporation | Aug 27, 2007 | Delinquent |
| Aden Environmental Consulting, Inc., Dissolved November 12, 2008Littleton, CO · Voluntarily Dissolved | Littleton, CO | Corporation | Feb 28, 2008 | Voluntarily Dissolved |
| Aden & Sons Construction, LLC. Reinstated 2012, Dissolved January 8, 2014Strasburg, CO · Voluntarily Dissolved | Strasburg, CO | LLC | Jul 23, 2011 | Voluntarily Dissolved |