| | WO#25-016028 ARB REPLACE GREASE SEPT | LIEBER MECHANICAL LLC | $25,777 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 236220Commercial and Institutional Building Construction | J038MAINT/REPAIR/REBUILD OF EQUIPMENT- CONSTRUCTION/MINING/EXCAVATING/HIGHWAY MAINTENANCE EQUIPMENT | Apr 6, 2026 | Apr 6, 2026 | Aug 31, 2026 |
| | WO#25-041089 TPS RMB41 CRAC UNITS REPLACEMENT | LIEBER MECHANICAL LLC | $594,500 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 236220Commercial and Institutional Building Construction | J038MAINT/REPAIR/REBUILD OF EQUIPMENT- CONSTRUCTION/MINING/EXCAVATING/HIGHWAY MAINTENANCE EQUIPMENT | Mar 6, 2026 | Mar 6, 2026 | Mar 31, 2027 |
| | - INSTALL TWO NEW APUS TO REPLACE EXISTING. - REPLACE OUTDOOR DUCTWORK. | LIEBER MECHANICAL LLC | $122,000 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 236220Commercial and Institutional Building Construction | J038MAINT/REPAIR/REBUILD OF EQUIPMENT- CONSTRUCTION/MINING/EXCAVATING/HIGHWAY MAINTENANCE EQUIPMENT | Dec 10, 2025 | Dec 10, 2025 | Jun 1, 2026 |
| | WO#24-024869 TSI RM107 ADD COOLING | LIEBER MECHANICAL LLC | $122,900 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 236220Commercial and Institutional Building Construction | J038MAINT/REPAIR/REBUILD OF EQUIPMENT- CONSTRUCTION/MINING/EXCAVATING/HIGHWAY MAINTENANCE EQUIPMENT | Sep 11, 2025 | Sep 11, 2025 | Jan 8, 2026 |
| | ARB B03 DATA CENTER COOLING | LIEBER MECHANICAL LLC | $1,128,200 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 236220Commercial and Institutional Building Construction | J038MAINT/REPAIR/REBUILD OF EQUIPMENT- CONSTRUCTION/MINING/EXCAVATING/HIGHWAY MAINTENANCE EQUIPMENT | Jun 6, 2025 | Jun 6, 2025 | Oct 31, 2026 |
| | WO#24-035005 029-REG CT BLOWDOWN RECOVERY | LIEBER MECHANICAL LLC | $107,500 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 236220Commercial and Institutional Building Construction | J038MAINT/REPAIR/REBUILD OF EQUIPMENT- CONSTRUCTION/MINING/EXCAVATING/HIGHWAY MAINTENANCE EQUIPMENT | Dec 5, 2024 | Dec 5, 2024 | Mar 25, 2025 |
| | WO#21-021917 SSF 101DAIRLEAKEXTWAL | LIEBER MECHANICAL LLC | $238,068 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 236220Commercial and Institutional Building Construction | J038MAINT/REPAIR/REBUILD OF EQUIPMENT- CONSTRUCTION/MINING/EXCAVATING/HIGHWAY MAINTENANCE EQUIPMENT | Mar 30, 2023 | Mar 30, 2023 | Jan 8, 2028 |
| | 013-CAI MECHANICAL ROOM AIR FLOW & UPGRADES WO#18-025260 | LIEBER MECHANICAL LLC | $372,561 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | Apr 14, 2022 | Apr 14, 2022 | Jul 19, 2023 |
| | WO#19-039492 215-TSF REPLACE CHILLERS #1 | LIEBER MECHANICAL LLC | $723,717 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | May 8, 2020 | May 8, 2020 | Jan 15, 2021 |
| | MECHANICAL IDIQ CONSTRUCTION PROJECT WO18-027571, 024-MPB BASEMENT CAP BOXES | LIEBER MECHANICAL LLC | $10,530 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | Jul 2, 2018 | Jul 2, 2018 | Jul 31, 2018 |
| | IGF::OT::IGF 005-AN1 BOILER ROOM, INSTALL CONTROL VALVES ON HEATING HOT WATER SYSTEM | LIEBER MECHANICAL LLC | $17,391 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | Apr 18, 2017 | Apr 18, 2017 | Jun 30, 2017 |