| | MCI COMMUNICATIONS SERVICES LLC | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $700,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541519Other Computer Related Services | DA01IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR) | May 12, 2025 | May 12, 2025 | May 11, 2030 |
| | MCI COMMUNICATIONS SERVICES LLC | IGG::CL,CT::IGF | BPA | $145,898,644 | DEFENSE INFORMATION SYSTEMS AGENCY (DISA) | DEFENSE INFORMATION SYSTEMS AGENCY (DISA) | — | 541519Other Computer Related Services | D304 | Mar 16, 2018 | Mar 16, 2018 | Mar 15, 2027 |
| | MCI COMMUNICATIONS SERVICES LLC | IGF::CT::IGF LONG DISTANCE PHONE SERVICES - BPA AGAINST GSA NETWROX CONTRACT NO. GS00T07NSD0008 | BPA | $0 | BUREAU OF RECLAMATION | BUREAU OF RECLAMATION | — | 517110 | D304 | Apr 1, 2013 | Apr 1, 2013 | — |
| | MCI COMMUNICATIONS SERVICES LLC | — | IDC | $0 | OFFICE OF PROCUREMENT OPERATIONS | OFFICE OF PROCUREMENT OPERATIONS | — | 561210Facilities Support Services | D316 | May 18, 2010 | May 18, 2010 | — |
| | MCI COMMUNICATIONS SERVICES LLC | PROVIDE LONG DISTANCE TELEPHONE SERVICES TO FCI LORETTO FOR FY10. | IDC | $0 | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | — | — | 517110 | S113 | Oct 1, 2009 | Oct 1, 2009 | — |
| | MCI COMMUNICATIONS SERVICES LLC | COMMUNICATIONS SERVICES AUTHORIZATION (CSA) TO COVER EXPENSES FOR INDUSTRY CONTRACTOR REPRESENTATIVE. | IDC | $0 | OFFICE OF PROCUREMENT OPERATIONS | OFFICE OF PROCUREMENT OPERATIONS | — | 541618Other Management Consulting Services | D316 | Jan 30, 2009 | Feb 1, 2009 | — |
| | MCI COMMUNICATIONS SERVICES LLC | FUNDING OF LOCAL PRIMARY RATE INTERFACE (PRI) TELEPHONE ACCESS SERVICES TO: (1) DOT HEADQUARTERS; AND (2) FEDERAL AVIATION ADMINISTRATION. | IDC | $127,080 | OFFICE OF THE SECRETARY | — | — | 517919 | S113 | Oct 1, 2007 | Oct 1, 2007 | Sep 30, 2008 |
| | MCI COMMUNICATIONS SERVICES LLC | GSA NETWORX TELECOMMUNICATIONS ACQUISITION | IDC | $0 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 517110 | D304 | May 31, 2007 | May 31, 2007 | — |
| | MCI COMMUNICATIONS SERVICES LLC | FEDERAL SUPPLY SCHEDULE CONTRACT. | FSS | $52,950,332 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541519Other Computer Related Services | D399 | Apr 13, 2007 | Apr 13, 2007 | Apr 12, 2027 |
| | MCI COMMUNICATIONS SERVICES LLC | GSA NETWORX TELECOMMUNICATIONS ACQUISITION | IDC | $0 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 517110 | D304 | Mar 29, 2007 | Mar 29, 2007 | — |
| | MCI COMMUNICATIONS SERVICES LLC | LONG DISTANCE TELECOMMUNICATIONS (VOICE, DATA, VIDEO, ETC.) SERVICES. | IDC | $797,000,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 513310 | D316 | Jul 6, 2006 | Jan 1, 2007 | Jun 30, 2011 |
| | MCI COMMUNICATIONS SERVICES LLC | — | IDC | $0 | DEPT OF THE ARMY | — | — | 541519Other Computer Related Services | R421 | Oct 1, 2004 | Oct 1, 2004 | Oct 6, 2005 |
| | MCI COMMUNICATIONS SERVICES LLC | — | IDC | $0 | DEFENSE INFORMATION SYSTEMS AGENCY (DISA) | — | — | 517110 | D304 | Jul 31, 2004 | Jul 31, 2004 | Sep 15, 2005 |
| | MCI COMMUNICATIONS SERVICES LLC | — | FSS | $0 | — | — | — | 517110 | S113 | Apr 23, 2004 | Apr 23, 2004 | Sep 9, 9999 |
| | MCI COMMUNICATIONS SERVICES LLC | TELECOMMUNICATION SERVICES | IDC | $0 | DEPARTMENTAL OFFICES | — | — | 513330 | D304 | Dec 30, 2003 | Dec 30, 2003 | Jan 31, 2004 |
| | MCI COMMUNICATIONS SERVICES LLC | WEB HOSTING SERVICES | IDC | $6,560 | DEFENSE NUCLEAR FACILITIES SAFETY BOARD | — | — | 518111 | D399 | Oct 1, 2003 | Oct 1, 2003 | Sep 6, 2004 |
| | MCI COMMUNICATIONS SERVICES LLC | — | IDC | $0 | DEFENSE INFORMATION SYSTEMS AGENCY (DISA) | DEPT OF DEFENSE | — | 541519Other Computer Related Services | S113 | Sep 11, 2002 | Sep 11, 2002 | Jun 18, 2013 |
| | MCI COMMUNICATIONS SERVICES LLC | — | IDC | $0 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | — | 334119 | 7025 | Aug 15, 2002 | Aug 15, 2002 | Dec 15, 2002 |
| | MCI COMMUNICATIONS SERVICES LLC | — | FSS | $0 | FEDERAL ACQUISITION SERVICE | — | — | — | L058TECHNICAL REPRESENTATIVE- COMMUNICATION, DETECTION, AND COHERENT RADIATION EQUIPMENT | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |