| | STTR PHASE I PIC-BASED PHYSICAL SENSORS WITH LOW NOISE AND EXTREME DYNAMIC RANGE | SILICON AUDIO SEISMIC, LLC | $149,998 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 541713Research and Development in Nanotechnology | AJ14GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; R&D ADMINISTRATIVE EXPENSES | Sep 8, 2025 | Sep 29, 2025 | Dec 31, 2026 |
| | TSC SILICON AUDIO 2023 | SILICON AUDIO SEISMIC, LLC | $119,605 | BUREAU OF RECLAMATION | BUREAU OF RECLAMATION | — | 334519Other Measuring and Controlling Device Manufacturing | 6680LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS | Aug 1, 2023 | Aug 1, 2023 | Oct 31, 2023 |
| | FY 2022 SILICON AUDIO | SILICON AUDIO SEISMIC, LLC | $88,680 | BUREAU OF RECLAMATION | BUREAU OF RECLAMATION | — | 334519Other Measuring and Controlling Device Manufacturing | 6680LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS | Jul 7, 2022 | Jul 7, 2022 | Oct 4, 2022 |
| | 2021 SILICON AUDIO 203V-CAL | SILICON AUDIO SEISMIC, LLC | $94,110 | BUREAU OF RECLAMATION | BUREAU OF RECLAMATION | — | 334519Other Measuring and Controlling Device Manufacturing | 6645TIME MEASURING INSTRUMENTS | Apr 15, 2021 | Apr 15, 2021 | May 2, 2021 |
| | SILICON AUDIO SENSORS FOR PVU | SILICON AUDIO SEISMIC, LLC | $20,050 | BUREAU OF RECLAMATION | BUREAU OF RECLAMATION | — | 334419Other Electronic Component Manufacturing | 6645TIME MEASURING INSTRUMENTS | May 12, 2020 | May 12, 2020 | Aug 31, 2020 |
| | BROADBAND SEISMIC RECORDERS | SILICON AUDIO SEISMIC, LLC | $135,200 | BUREAU OF RECLAMATION | BUREAU OF RECLAMATION | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Mar 24, 2020 | Mar 24, 2020 | Jun 24, 2020 |
| | IGF::OT::GF FOR OTHER FUNCTIONS SILICON AUDIO 203V-CAL | SILICON AUDIO SEISMIC, LLC | $155,250 | BUREAU OF RECLAMATION | BUREAU OF RECLAMATION | — | 334519Other Measuring and Controlling Device Manufacturing | 6645TIME MEASURING INSTRUMENTS | Feb 14, 2019 | Feb 14, 2019 | May 15, 2019 |
| | SILICON AUDIO | SILICON AUDIO SEISMIC, LLC | $12,148 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 6655GEOPHYSICAL INSTRUMENTS | Jul 5, 2018 | Jul 5, 2018 | Jun 26, 2021 |
| | SEISMIC SENSOR | SILICON AUDIO SEISMIC, LLC | $17,546 | BUREAU OF RECLAMATION | BUREAU OF RECLAMATION | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Sep 15, 2017 | Sep 11, 2017 | Nov 13, 2017 |
| | EARTHQUAKE AND VOLCANO MONITORING SYSTEMS | SILICON AUDIO SEISMIC, LLC | $6,414 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 6655GEOPHYSICAL INSTRUMENTS | Aug 1, 2017 | Aug 1, 2017 | Sep 4, 2017 |
| | LOWNOISE SEISMOMETER CMM6190 | SILICON AUDIO SEISMIC, LLC | $23,500 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 6655GEOPHYSICAL INSTRUMENTS | Jun 8, 2017 | Jun 8, 2017 | Jun 26, 2021 |
| | LOW NOISE SEISMOMETER 6798 | SILICON AUDIO SEISMIC, LLC | $12,250 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 6655GEOPHYSICAL INSTRUMENTS | Aug 11, 2016 | Aug 11, 2016 | Jun 26, 2021 |