| | ESC, INC. | — | IDC | $151,000,000,000 | MISSILE DEFENSE AGENCY (MDA) | MISSILE DEFENSE AGENCY (MDA) | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC13NATIONAL DEFENSE R&D SERVICES; DEPARTMENT OF DEFENSE - MILITARY; EXPERIMENTAL DEVELOPMENT | Dec 3, 2025 | Dec 29, 2025 | — |
| | ESC, INC. | — | IDC | $999,999,999,999 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | WOSB | 336611Ship Building and Repairing | R499SUPPORT- PROFESSIONAL: OTHER | Sep 30, 2024 | Sep 30, 2024 | Sep 29, 2029 |
| | ESC, INC. | IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS | GWAC | $20,000,000,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | SBA | 541512Computer Systems Design Services | D399 | May 11, 2020 | May 11, 2020 | Oct 29, 2026 |
| | ESC, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $11,000,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541611Administrative Management and General Management Consulting Services | R499SUPPORT- PROFESSIONAL: OTHER | Aug 28, 2014 | Sep 2, 2014 | Sep 1, 2029 |
| | ESC, INC. | — | IDC | $26,156,681 | DEPT OF THE ARMY | DEPT OF THE ARMY | 8A | 518210Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | R607SUPPORT- ADMINISTRATIVE: WORD PROCESSING/TYPING | Feb 4, 2014 | Feb 4, 2014 | Oct 31, 2018 |
| | ESC, INC. | USCG C3CEN
4000 COAST GUARD BLVD
PORTSMOUTH, VA 23703 | IDC | $121,904,363 | US COAST GUARD | US COAST GUARD | 8A | 541519Other Computer Related Services | D399 | May 9, 2012 | May 9, 2012 | Aug 27, 2017 |
| | ESC, INC. | — | IDC | $0 | DEPT OF THE ARMY | DEPT OF THE ARMY | SBA | 624190Other Individual and Family Services | R499SUPPORT- PROFESSIONAL: OTHER | Feb 15, 2012 | Jan 13, 2012 | — |
| | ESC, INC. | FEDERAL ACQUISITION SERVICE GOVERNMENT WIDE ACQUISITION CONTRACT | GWAC | $250 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | 8A | 541512Computer Systems Design Services | D399 | Jul 31, 2011 | Aug 22, 2011 | Aug 30, 2016 |
| | ESC, INC. | — | IDC | $17,659,780 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | 8A | 561611Investigation and Personal Background Check Services | R499SUPPORT- PROFESSIONAL: OTHER | Jul 22, 2010 | Jul 22, 2010 | Aug 28, 2015 |
| | ESC, INC. | — | IDC | $725,494,565,950 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Jul 15, 2010 | Jul 15, 2010 | Dec 31, 2019 |
| | ESC, INC. | — | IDC | $0 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | 8AN | 541990All Other Professional, Scientific, and Technical Services | D301 | Nov 30, 2007 | Nov 19, 2007 | Sep 14, 2010 |
| | ESC, INC. | — | FSS | $0 | FEDERAL ACQUISITION SERVICE | — | — | — | — | Jul 15, 1998 | Jul 15, 1998 | — |
| | ESC, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $3,000,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541519Other Computer Related Services | D399 | Jul 1, 1998 | Jul 9, 1998 | Jul 8, 2018 |