| DENVER GEOPHYSICAL SOCIETYDenver, CO · Good Standing | Denver, CO | Nonprofit | Mar 6, 1974 | Good Standing |
| HEWIT FAMILY FOUNDATIONDenver, CO · Good Standing | Denver, CO | Nonprofit | Dec 27, 1985 | Good Standing |
| VAUGHT OIL CORPORATION, Dissolved September 11, 2025Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Jan 27, 1995 | Voluntarily Dissolved |
| H & D BLACH CORPORATIONYuma, CO · Good Standing | Yuma, CO | Corporation | Feb 10, 1995 | Good Standing |
| BLACH AND COMPANY, RLLLPYuma, CO · Good Standing | Yuma, CO | Other | Feb 10, 1995 | Good Standing |
| Hutchins & Associates LLCDenver, CO · Good Standing | Denver, CO | LLC | May 14, 1997 | Good Standing |
| CUSSLER MOTORS LLCArvada, CO · Good Standing | Arvada, CO | LLC | Dec 11, 1997 | Good Standing |
| JAMES SANDECKER, INC.Arvada, CO · Good Standing | Arvada, CO | Corporation | Feb 13, 1998 | Good Standing |
| SANDECKER, RLLLPArvada, CO · Good Standing | Arvada, CO | Other | Feb 27, 1998 | Good Standing |
| ELBERT-AUSTIN RANCH LLCDenver, CO · Good Standing | Denver, CO | LLC | Jul 23, 1998 | Good Standing |
| SAHARA GOLD LLCArvada, CO · Good Standing | Arvada, CO | LLC | Oct 1, 1998 | Good Standing |
| VAN EVERY & COMPANY, RLLLPGreenwood Village, CO · Good Standing | Greenwood Village, CO | Other | Oct 13, 1998 | Good Standing |
| HEWIT FAMILY PARTNERSHIP, LLLPDenver, CO · Good Standing | Denver, CO | Other | Mar 11, 1999 | Good Standing |
| NATIONAL UNDERWATER AND MARINE AGENCYArvada, CO · Good Standing | Arvada, CO | Nonprofit | Jan 21, 2000 | Good Standing |
| LUNDGREN TRUCKING, LLC.Haxtun, CO · Good Standing | Haxtun, CO | LLC | Mar 23, 2000 | Good Standing |
| HEWIT HAWN PROPERTIES L.L.C.Denver, CO · Good Standing | Denver, CO | LLC | Mar 30, 2000 | Good Standing |
| MASYGA PROPERTIES, LLLPEvergreen, CO · Good Standing | Evergreen, CO | Other | Aug 3, 2001 | Good Standing |
| KAPPLER & MARRACK, LLLPDenver, CO · Good Standing | Denver, CO | Other | Mar 28, 2002 | Good Standing |
| THE CLIVE CUSSLER FOUNDATIONArvada, CO · Good Standing | Arvada, CO | Nonprofit | Jul 3, 2002 | Good Standing |
| SADDLE ROCK SOCIETYBreckenridge, CO · Good Standing | Breckenridge, CO | Nonprofit | Sep 5, 2002 | Good Standing |
| DTD WAREHOUSE COMPANY, LLCArvada, CO · Good Standing | Arvada, CO | LLC | Mar 26, 2003 | Good Standing |
| BARBARA MOUNTAIN COMPANY, LLLPArvada, CO · Good Standing | Arvada, CO | Other | Mar 26, 2003 | Good Standing |
| CUSSLER MUSEUMArvada, CO · Good Standing | Arvada, CO | Nonprofit | Dec 23, 2003 | Good Standing |
| LOCHURST FARMS, LLLPLocation not reported, CO · Good Standing | Location not reported, CO | Other | May 13, 2004 | Good Standing |
| SOUTHWEST PROPERTIES, LLLPWoodland Park, CO · Good Standing | Woodland Park, CO | Other | Jul 25, 2006 | Good Standing |
| Giordino, LLLPArvada, CO · Good Standing | Arvada, CO | Other | Oct 18, 2006 | Good Standing |
| RETAMA, LLLPDenver, CO · Good Standing | Denver, CO | Other | Jan 5, 2007 | Good Standing |
| Wallin Properties, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | May 15, 2007 | Good Standing |
| Vixen, LLLPArvada, CO · Good Standing | Arvada, CO | Other | Aug 3, 2007 | Good Standing |
| Lundgren Enterprise, LLCHaxtun, CO · Good Standing | Haxtun, CO | LLC | Apr 12, 2010 | Good Standing |
| Hawk Perch LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Aug 23, 2010 | Good Standing |
| Hewit Family Holdings LLLPDenver, CO · Good Standing | Denver, CO | Other | Mar 4, 2011 | Good Standing |
| Hewit Investments LLCDenver, CO · Good Standing | Denver, CO | LLC | Mar 17, 2011 | Good Standing |
| Dines Family Holdings, LLLPDenver, CO · Good Standing | Denver, CO | Other | Apr 27, 2011 | Good Standing |
| Scoefish Holdings LLCCherry Hills Village, CO · Good Standing | Cherry Hills Village, CO | LLC | Jun 1, 2011 | Good Standing |
| Princess Holdings LLCCherry Hills Village, CO · Good Standing | Cherry Hills Village, CO | LLC | Jun 1, 2011 | Good Standing |
| Bushwood Aviation LLCCherry Hills Village, CO · Good Standing | Cherry Hills Village, CO | LLC | Jun 1, 2011 | Good Standing |
| Compass Rose Marine LLCDenver, CO · Good Standing | Denver, CO | LLC | Jun 6, 2011 | Good Standing |
| The Ross R. and Candy L. Bhappu Family FoundationCherry Hills Village, CO · Good Standing | Cherry Hills Village, CO | Nonprofit | Dec 7, 2011 | Good Standing |
| ALCHEMY PARTNERS LLLPCherry Hills Village, CO · Good Standing | Cherry Hills Village, CO | Other | Mar 7, 2012 | Good Standing |
| BRUNETTI FAMILY CHARITABLE FOUNDATIONLocation not reported, CO · Good Standing | Location not reported, CO | Nonprofit | Sep 29, 2014 | Good Standing |
| KFT Holdings LLCLakewood, CO · Good Standing | Lakewood, CO | LLC | Feb 20, 2015 | Good Standing |
| R&R Interests LLCDenver, CO · Good Standing | Denver, CO | LLC | May 19, 2015 | Good Standing |
| CHAPMAN FAMILY HOLDINGS LLLPWray, CO · Good Standing | Wray, CO | Other | Jul 21, 2015 | Good Standing |
| Clive E. Cussler Enterprises, Inc.Arvada, CO · Good Standing | Arvada, CO | Corporation | Sep 10, 2015 | Good Standing |
| Patricia K. Watson Phillips LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Nov 10, 2015 | Good Standing |
| LJ5 Partners LLCLittleton, CO · Good Standing | Littleton, CO | LLC | Jan 1, 2016 | Good Standing |
| Cactus Wren Properties LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Mar 9, 2016 | Good Standing |
| TNEP Frisco LLCDenver, CO · Good Standing | Denver, CO | LLC | Nov 14, 2016 | Good Standing |
| EEMJ INVESTMENTS LLCBoulder, CO · Good Standing | Boulder, CO | LLC | Mar 27, 2017 | Good Standing |