| HQ003425FE568 | ADDON SERVICES LLC | $3,750,000 | WASHINGTON HEADQUARTERS SERVICES (WHS) | DEPT OF DEFENSE | — | 237310 | Z2LZ | Sep 30, 2025 | Sep 29, 2025 | Aug 24, 2027 |
| HQ003424F0672 | ADDON SERVICES LLC | $9,430,246 | WASHINGTON HEADQUARTERS SERVICES (WHS) | DEPT OF DEFENSE | — | 237310 | Z2LZ | Sep 27, 2024 | Sep 27, 2024 | Aug 31, 2026 |
| HQ003424F0596 | ADDON SERVICES LLC | $3,042,425 | WASHINGTON HEADQUARTERS SERVICES (WHS) | DEPT OF DEFENSE | — | 237310 | Z2LZ | Sep 17, 2024 | Sep 24, 2024 | Feb 17, 2026 |
| 75N99024F00002 | ADDON SERVICES LLC | $665,419 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 236220 | Z1HB | Sep 11, 2024 | Sep 12, 2024 | Jul 27, 2026 |
| 75N99024F00001 | ADDON SERVICES LLC | $1,465,384 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 236220 | Z1HB | Aug 22, 2024 | Aug 22, 2024 | Jul 24, 2026 |
| HQ003424F0245 | ADDON SERVICES LLC | $3,243,111 | WASHINGTON HEADQUARTERS SERVICES (WHS) | DEPT OF DEFENSE | — | 237310 | Z2LZ | May 14, 2024 | Jun 3, 2024 | Nov 18, 2025 |
| N4008524F5088 | ADDON SERVICES LLC | $5,000 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 236220 | Y1JZ | Apr 11, 2024 | Apr 11, 2024 | Apr 10, 2029 |
| 75N99023F00004 | ADDON SERVICES LLC | $933,842 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 236220 | Z1HB | Sep 20, 2023 | Sep 20, 2023 | Aug 22, 2025 |
| 75N99023F00003 | ADDON SERVICES LLC | $4,742,362 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 236220 | Z1HB | Aug 24, 2023 | Aug 24, 2023 | Jun 30, 2025 |
| 75N99023F00002 | ADDON SERVICES LLC | $2,422,618 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 236220 | Z1HB | Jul 19, 2023 | Jul 19, 2023 | Apr 8, 2026 |
| 1332KP23PNEEA0005 | ADDON SERVICES LLC | $1,388,800 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 238210 | Z1JZ | Feb 13, 2023 | Feb 13, 2023 | Feb 12, 2024 |
| W91QV123C0003 | ADDON SERVICES LLC | $1,523,863 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 624190 | R699 | Oct 31, 2022 | Nov 1, 2022 | Oct 31, 2027 |
| HQ003422F0546 | ADDON SERVICES LLC | $10,000 | WASHINGTON HEADQUARTERS SERVICES (WHS) | DEPT OF DEFENSE | — | 237310 | Z2LZ | Sep 27, 2022 | Sep 27, 2022 | Sep 26, 2032 |