| | ANTENNA AND CABLE REPLACEMENT | TROPICAL TOWER SERVICE, INC. | $37,980 | FEDERAL BUREAU OF INVESTIGATION | FEDERAL BUREAU OF INVESTIGATION | — | 517810All Other Telecommunications | N059INSTALLATION OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS | Jul 1, 2025 | Jul 1, 2025 | Jun 30, 2026 |
| | DEMOLISH FISH HOOK NDB TOWER IN KEY WEST, FL | TROPICAL TOWER SERVICE, INC. | $29,980 | FEDERAL AVIATION ADMINISTRATION | FEDERAL AVIATION ADMINISTRATION | — | 237130Power and Communication Line and Related Structures Construction | Y1BACONSTRUCTION OF AIR TRAFFIC CONTROL TOWERS | Sep 16, 2024 | Sep 16, 2024 | Mar 18, 2025 |
| | IGF::OT::IGF CRITICAL TOWER INSPECTION | TROPICAL TOWER SERVICE, INC. | $8,550 | UNITED STATES AGENCY FOR GLOBAL MEDIA, BBG | UNITED STATES AGENCY FOR GLOBAL MEDIA, BBG | — | 811213 | J058 | Feb 6, 2019 | Feb 6, 2019 | Feb 28, 2019 |
| | IGF::OT::IGF EMERGENCY REPAIRS | TROPICAL TOWER SERVICE, INC. | $4,845 | UNITED STATES AGENCY FOR GLOBAL MEDIA, BBG | UNITED STATES AGENCY FOR GLOBAL MEDIA, BBG | — | 811213 | J058 | Jun 6, 2017 | Jun 6, 2017 | Jul 6, 2017 |
| | IGF::OT::IGF | TROPICAL TOWER SERVICE, INC. | $11,275 | FEDERAL BUREAU OF INVESTIGATION | FEDERAL BUREAU OF INVESTIGATION | — | 811213 | J058 | Jul 28, 2016 | Jul 28, 2016 | Mar 31, 2017 |
| | IGF::OT::IGF LABOR AND MATERIALS TO REPAIR AND REPLACE A PORTION OF THE COAX AT THE HOMESTEAD TOWER THAT WAS DAMAGED BY LIGHTNING. | TROPICAL TOWER SERVICE, INC. | $5,060 | FEDERAL BUREAU OF INVESTIGATION | FEDERAL BUREAU OF INVESTIGATION | — | 811213 | N058 | Sep 24, 2015 | Sep 24, 2015 | Jan 24, 2016 |