| | SERVICE: PAINTING AND POWER SUPPLY AT MSSD | TC PENNSY DRIVE LLC | $16,288 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238210Electrical Contractors and Other Wiring Installation Contractors | Z2JAREPAIR OR ALTERATION OF MUSEUMS AND EXHIBITION BUILDINGS | Sep 4, 2025 | Sep 4, 2025 | Sep 18, 2025 |
| | RENTAL LEASE FOR 3400 PENNSY DRIVE | TC PENNSY DRIVE LLC | $6,266,301 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531190Lessors of Other Real Estate Property | X1AALEASE/RENTAL OF OFFICE BUILDINGS | Oct 29, 2024 | Oct 29, 2024 | Sep 30, 2025 |
| | INSTALL POWER SUPPLY FOR THE (2) DUAL HEAD CHARGING STATIONS FOR THE ELECTRIC VEHICLES | TC PENNSY DRIVE LLC | $17,503 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | N059INSTALLATION OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS | Feb 29, 2024 | Feb 29, 2024 | Feb 29, 2024 |
| | RENTAL LEASE FOR 3400 PENNSY DRIVE | TC PENNSY DRIVE LLC | $7,307,318 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531190Lessors of Other Real Estate Property | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Oct 19, 2023 | Oct 19, 2023 | Sep 30, 2024 |
| | INSTALL (6) CORD REELS IN ROOM QQ39. | TC PENNSY DRIVE LLC | $11,710 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Aug 14, 2023 | Aug 14, 2023 | Aug 18, 2023 |
| | RENTAL LEASE FOR 3400 PENNSY DRIVE | TC PENNSY DRIVE LLC | $5,273,162 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531190Lessors of Other Real Estate Property | X1AALEASE/RENTAL OF OFFICE BUILDINGS | Jun 22, 2023 | Jun 22, 2023 | Sep 30, 2023 |
| | SERVICES INSTALL NEW DUCK WORK AND EXHAUST FAN FOR LASER CUTTER IN ROOM V34 | TC PENNSY DRIVE LLC | $8,748 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Apr 6, 2023 | Apr 6, 2023 | Apr 25, 2023 |
| | RENTAL LEASE FOR 3400 PENNSY DRIVE | TC PENNSY DRIVE LLC | $12,620,274 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531190Lessors of Other Real Estate Property | X1AALEASE/RENTAL OF OFFICE BUILDINGS | Oct 21, 2022 | Oct 21, 2022 | Sep 30, 2023 |
| | INSTALL TWO CAREL HUMIDIFIERS IN NMAACH | TC PENNSY DRIVE LLC | $25,025 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Jul 14, 2022 | Jul 14, 2022 | Jul 14, 2022 |
| | INSTALL NEW OUTLET FOR NMAACH MEDIA WORK TRUCK | TC PENNSY DRIVE LLC | $4,477 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Jul 6, 2022 | Jul 6, 2022 | Jul 14, 2022 |
| | TC PENNSY LLC | TC PENNSY DRIVE LLC | $6,386 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | Z1JAMAINTENANCE OF MUSEUMS AND EXHIBITION BUILDINGS | Jul 8, 2021 | Jul 8, 2021 | Jul 9, 2021 |
| | GRAPHIC SHOP UPPER WALL INSTALLATION | TC PENNSY DRIVE LLC | $41,235 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Jun 21, 2021 | Jun 21, 2021 | Jun 24, 2021 |
| | REWIRING EXISTING LIGHT FIXTURES ONTO NEW DIMMER SWITCHES | TC PENNSY DRIVE LLC | $9,553 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Apr 6, 2021 | Apr 6, 2021 | Apr 6, 2021 |
| | REMOVE EXITING BALLY BOXES AND COMPONENTS. | TC PENNSY DRIVE LLC | $24,888 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Jan 7, 2021 | Jan 7, 2021 | Jan 11, 2021 |
| | INSTALL SUB-PANEL TO SUPPORT NEW ELECTRICAL POWER SUPPLY | TC PENNSY DRIVE LLC | $5,904 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | X1JZLEASE/RENTAL OF MISCELLANEOUS BUILDINGS | Dec 4, 2020 | Dec 4, 2020 | Dec 4, 2020 |
| | TC PENNSY LLC | TC PENNSY DRIVE LLC | $16,928 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | Z1JAMAINTENANCE OF MUSEUMS AND EXHIBITION BUILDINGS | Aug 14, 2020 | Aug 14, 2020 | Aug 14, 2020 |
| | TC PENNSY LLC | TC PENNSY DRIVE LLC | $4,279 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | N061INSTALLATION OF EQUIPMENT- ELECTRIC WIRE AND POWER DISTRIBUTION EQUIPMENT | Dec 19, 2019 | Dec 19, 2019 | Dec 31, 2019 |
| | TC PENNSY LLC | TC PENNSY DRIVE LLC | $6,490 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | J099 | Oct 1, 2019 | Oct 1, 2019 | Oct 1, 2019 |
| | TC PENNSY LLC | TC PENNSY DRIVE LLC | $10,828 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | J099 | Aug 1, 2019 | Aug 1, 2019 | Aug 9, 2019 |
| | TC PENNSY LLC | TC PENNSY DRIVE LLC | $6,545 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | R499SUPPORT- PROFESSIONAL: OTHER | Apr 18, 2019 | Apr 18, 2019 | Apr 25, 2019 |
| | IGF::CL,CT::IGF SERVICES; INSTALLATION OF ELECTRICAL POWER SUPPLY FOR 4 EVI CHARGING STATIONS | TC PENNSY DRIVE LLC | $8,030 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | Z1AZMAINTENANCE OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS | Mar 7, 2019 | Mar 7, 2019 | Mar 8, 2019 |
| | IGF::CL,CT::IGF SERVICES; INSTALL ONE NEW POWER SUPPLY FOR A PLASMA CUTTER IN SIE WELDING SHOP | TC PENNSY DRIVE LLC | $6,160 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | Z1AAMAINTENANCE OF OFFICE BUILDINGS | Nov 6, 2018 | Nov 6, 2018 | Nov 15, 2018 |
| | IGF::CL,CT::IGF SERVICES; INSTALL NEW DEHUMIDIFICATION COIL FOR ROOM GG-45 | TC PENNSY DRIVE LLC | $3,619 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | Z1AZMAINTENANCE OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS | Jul 6, 2018 | Jul 6, 2018 | Jul 6, 2018 |
| | IGF:::CL, CT::IGF SERVICE, INSTALL NEW SPRINKLER SYSTEM | TC PENNSY DRIVE LLC | $5,192 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | J099 | Apr 5, 2018 | Apr 5, 2018 | Apr 13, 2018 |
| | IGF::CL,CT::IGF SERVICE, INSTALLATION OF ELECTRICAL POWERS | TC PENNSY DRIVE LLC | $5,335 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 531120Lessors of Nonresidential Buildings (except Miniwarehouses) | J099 | Mar 15, 2018 | Mar 15, 2018 | Mar 30, 2018 |