| | INDUSTRIAL HYGIENE SAFETY SERVICES | ATI-ENDYNA JV, LLC | $2,326,885 | WASHINGTON HEADQUARTERS SERVICES (WHS) | IMMEDIATE OFFICE OF THE SECRETARY OF DEFENSE | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Aug 16, 2024 | Sep 1, 2024 | Apr 30, 2025 |
| | INDUSTRIAL HYGIENE SAFETY SERVICES | ATI-ENDYNA JV, LLC | $1,579,165 | WASHINGTON HEADQUARTERS SERVICES (WHS) | WASHINGTON HEADQUARTERS SERVICES (WHS) | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 9, 2024 | Mar 1, 2024 | Aug 31, 2024 |
| | INDUSTRIAL HYGIENE SAFETY SERVICES | ATI-ENDYNA JV, LLC | $109,713 | WASHINGTON HEADQUARTERS SERVICES (WHS) | IMMEDIATE OFFICE OF THE SECRETARY OF DEFENSE | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 9, 2024 | Mar 1, 2024 | Aug 31, 2024 |
| | PENTAGON INDUSTRIAL HYGIENE SAFETY | ATI-ENDYNA JV, LLC | $3,096,454 | WASHINGTON HEADQUARTERS SERVICES (WHS) | WASHINGTON HEADQUARTERS SERVICES (WHS) | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 24, 2023 | Mar 1, 2023 | Feb 29, 2024 |
| | INDUSTRIAL HYGIENE SAFETY SUPPORT SERVICES | ATI-ENDYNA JV, LLC | $215,124 | WASHINGTON HEADQUARTERS SERVICES (WHS) | IMMEDIATE OFFICE OF THE SECRETARY OF DEFENSE | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 24, 2023 | Mar 1, 2023 | Feb 29, 2024 |
| | INDUSTRIAL HYGIENE SAFETY - PENTAGON | ATI-ENDYNA JV, LLC | $3,035,744 | WASHINGTON HEADQUARTERS SERVICES (WHS) | WASHINGTON HEADQUARTERS SERVICES (WHS) | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 23, 2022 | Mar 1, 2022 | Feb 28, 2023 |
| | INDUSTRIAL HYGIENE AND SAFETY SERVICES | ATI-ENDYNA JV, LLC | $210,906 | WASHINGTON HEADQUARTERS SERVICES (WHS) | IMMEDIATE OFFICE OF THE SECRETARY OF DEFENSE | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 17, 2022 | Mar 1, 2022 | Feb 28, 2023 |
| | INDUSTRIAL HYGIENE AND SAFETY SUPPORT | ATI-ENDYNA JV, LLC | $93,960 | WASHINGTON HEADQUARTERS SERVICES (WHS) | WASHINGTON HEADQUARTERS SERVICES (WHS) | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Aug 30, 2021 | Sep 1, 2021 | Feb 28, 2024 |
| | INDUSTRIAL HYGIENE AND SAFETY | ATI-ENDYNA JV, LLC | $206,771 | WASHINGTON HEADQUARTERS SERVICES (WHS) | IMMEDIATE OFFICE OF THE SECRETARY OF DEFENSE | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 19, 2021 | Mar 1, 2021 | Feb 28, 2022 |
| | PENTAGON INDUSTRIAL HYGIENE SAFETY | ATI-ENDYNA JV, LLC | $2,976,165 | WASHINGTON HEADQUARTERS SERVICES (WHS) | WASHINGTON HEADQUARTERS SERVICES (WHS) | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 12, 2021 | Mar 1, 2021 | Feb 28, 2022 |
| | PENTAGON INDUSTRIAL HYGIENE SAFETY | ATI-ENDYNA JV, LLC | $3,120,547 | WASHINGTON HEADQUARTERS SERVICES (WHS) | WASHINGTON HEADQUARTERS SERVICES (WHS) | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Feb 12, 2020 | Feb 12, 2020 | Feb 28, 2021 |
| | IGF::OT::IGF PENTAGON INDUSTRIAL HYGIENE&SAFETY | ATI-ENDYNA JV, LLC | $3,059,385 | WASHINGTON HEADQUARTERS SERVICES (WHS) | WASHINGTON HEADQUARTERS SERVICES (WHS) | — | 541620Environmental Consulting Services | R428SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS | Nov 27, 2018 | Dec 1, 2018 | Feb 29, 2020 |