| | PXD PC CHANGES | WALSTON CO GROUP LLC | $49,235 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | May 13, 2026 | May 13, 2026 | Aug 28, 2026 |
| | PXD PAINTING PC MAINTENANCE FY 26 | WALSTON CO GROUP LLC | $77,235 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | Jan 13, 2026 | Dec 1, 2025 | Dec 31, 2026 |
| | PXD PAINTING IDIQ, PC MAINTENANCE FY2024 | WALSTON CO GROUP LLC | $65,000 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | May 9, 2024 | Mar 1, 2024 | Sep 30, 2026 |
| | PXD PAINTING IDIQ, PC MAINTENANCE | WALSTON CO GROUP LLC | $93,180 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | Mar 20, 2024 | Mar 20, 2024 | Sep 30, 2026 |
| | PXD PAINTING IDIQ, SIMONE LEIGH'S "SENTINEL" PLATFORM | WALSTON CO GROUP LLC | $9,061 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | Aug 10, 2023 | Aug 19, 2023 | Sep 19, 2023 |
| | ARCHIVE HALLWAY | WALSTON CO GROUP LLC | $14,550 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | May 5, 2023 | May 8, 2023 | Jun 2, 2023 |
| | PXD PAINTING IDIQ, PERMANENT COLLECTION MAINTENANCE FY23 | WALSTON CO GROUP LLC | $18,375 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | May 5, 2023 | May 5, 2023 | Sep 30, 2023 |
| | PAINTING SERVICES, WEST BUILDING EXTERIOR REPAIRS (WBER) | WALSTON CO GROUP LLC | $23,400 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | May 20, 2022 | May 23, 2022 | Dec 31, 2023 |
| | PXD PAINTING IDIQ, WA 9.3 FIT OUT | WALSTON CO GROUP LLC | $60,000 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | Apr 7, 2022 | Apr 1, 2022 | Dec 31, 2022 |
| | PXD PAINTING IDIQ, BABBLE REINFORCEMENT | WALSTON CO GROUP LLC | $4,890 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | Apr 5, 2022 | Apr 4, 2022 | May 6, 2022 |
| | PXD PAINTING IDIQ, PC CHANGES | WALSTON CO GROUP LLC | $358,776 | NATIONAL GALLERY OF ART | NATIONAL GALLERY OF ART | — | 236220Commercial and Institutional Building Construction | Y1JACONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | Mar 25, 2022 | Mar 1, 2022 | Feb 11, 2026 |