| FIDIUM ENTERPRISE SERVICES, LLCLocation not reported, AK · Good Standing | Location not reported, AK | LLC | Feb 19, 2025 | Good Standing |
| Consolidated Communications of Kansas Company, Colorado Authority Relinquished April 22, 2025Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jan 6, 1988 | Withdrawn |
| Consolidated Communications of Colorado Company, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Oct 9, 1995 | Good Standing |
| CONSOLIDATED COMMUNICATIONS TELECOM SERVICES INC.Location not reported, CO · Merged | Location not reported, CO | Corporation | Nov 6, 1995 | Merged |
| BIG SANDY TELECOM, INC. >>, Colorado Authority Relinquished January 9, 2019Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Feb 21, 1996 | Withdrawn |
| ST LONG DISTANCE, INC., Colorado Authority Relinquished January 16, 2019Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Nov 4, 1996 | Withdrawn |
| FAIRPOINT CARRIER SERVICES, INC., Colorado Authority Relinquished February 5, 2019Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | May 17, 2000 | Withdrawn |
| CONSOLIDATED COMMUNICATIONS OPERATOR SERVICES, INC., Colorado Authority Relinquished December 31, 2008Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 16, 2002 | Withdrawn |
| FIDIUM ENTERPRISE SERVICES, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Mar 14, 2003 | Good Standing |
| Jackson Land & Cattle, Ltd.Location not reported, CO · Exists | Location not reported, CO | Partnership | Dec 17, 2004 | Exists |
| Enventis Telecom, Inc., Colorado Authority Relinquished February 7, 2017Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jul 3, 2008 | Withdrawn |
| Enterprise Integration Services, Inc., Colorado Authority Relinquished April 4, 2016Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jul 5, 2012 | Withdrawn |
| Curry Construction, Inc., Delinquent October 1, 2020Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Apr 2, 2014 | Delinquent |
| Rural King Holdings, LLPLocation not reported, CO · Good Standing | Location not reported, CO | Partnership | Aug 7, 2018 | Good Standing |
| R.K. Internet, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Aug 7, 2018 | Good Standing |
| Legacy Roofing & RestorationLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Sep 25, 2020 | Good Standing |
| FEATHER AND FLAME THERAPY, PLLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Jul 13, 2023 | Good Standing |
| Fidium Manager Services, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Dec 19, 2024 | Good Standing |
| Consolidated Communications of Kansas Company, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Apr 28, 2025 | Good Standing |
| Nexvona LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Mar 2, 2026 | Good Standing |
| FORGE MACHINES, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Mar 10, 2026 | Good Standing |
| ANAMET ELECTRICAL, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 11, 1993 | Withdrawn |
| MIDWEST FIBERNET INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 31, 1994 | Withdrawn |
| TACONIC TECHNOLOGY CORPLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 1, 2000 | Withdrawn |
| CONSOLIDATED COMMUNICATIONS OPERATOR SERVICES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 16, 2002 | Withdrawn |
| CONSOLIDATED COMMUNICATIONS PUBLIC SERVICES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 8, 2003 | Withdrawn |
| ENVENTIS TELECOM, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 2, 2008 | Withdrawn |
| CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Dec 4, 2008 | Withdrawn |
| ENTERPRISE INTEGRATION SERVICES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 9, 2013 | Withdrawn |
| FIDIUM MANAGER SERVICES, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Dec 19, 2024 | Active |
| FIDIUM ENTERPRISE SERVICES, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Feb 5, 2025 | Active |
| MN ENTERPRISE INTEGRATION SERVICESLocation not reported, NY · Active | Location not reported, NY | Corporation | Jan 10, 2013 | Active |
| FIDIUM MANAGER SERVICES, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Dec 20, 2024 | Active |
| FIDIUM ENTERPRISE SERVICES, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Feb 3, 2025 | Active |
| CONSOLIDATED COMMUNICATIONSLocation not reported, OR · Active | Location not reported, OR | Other | Jul 1, 2025 | Active |
| FIDIUMLocation not reported, OR · Active | Location not reported, OR | Other | Jul 1, 2025 | Active |
| CONSOLIDATED COMMUNICATIONS OF FLORIDA COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 16, 1924 | Inactive |
| SEABOARD MOTORS INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 23, 1957 | Inactive |
| EAGLE-ILLINOIS FARM CORP.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 7, 1980 | Inactive |
| HOWELL ASPHALT COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | May 15, 1964 | Inactive |
| S & K ACQUISITION CORP.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 14, 2001 | Inactive |
| CONSOLIDATED COMMUNICATIONS OPERATOR SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 16, 2002 | Inactive |
| CONSOLIDATED COMMUNICATIONS PUBLIC SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 26, 2003 | Inactive |
| GTC COMMUNICATIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 8, 2004 | Inactive |
| ENVENTIS TELECOM, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 21, 2008 | Inactive |
| CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 27, 2008 | Inactive |
| INNOVATIVE STAFF SOLUTIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 27, 2009 | Inactive |
| CONSOLIDATED COMMUNICATIONS SERVICES COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 15, 2011 | Inactive |
| UNITED GRAPHICS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 13, 2012 | Inactive |
| ENHANCED COMMUNICATIONS OF NORTHERN NEW ENGLAND INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 26, 2013 | Inactive |