| | STRECKEISEN STS-2/2.5 HOST BOXES | QUANTERRA, INC. | $33,760 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Sep 17, 2014 | Sep 17, 2014 | Nov 29, 2014 |
| | QUANTERRA ENVIRONMENTAL PROCESSORS | QUANTERRA, INC. | $6,000 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334519Other Measuring and Controlling Device Manufacturing | 5895MISCELLANEOUS COMMUNICATION EQUIPMENT | Mar 19, 2013 | Mar 19, 2013 | Apr 17, 2013 |
| | HR 6 CHANNEL DAS 12-GGCMRN0000-6554 | QUANTERRA, INC. | $40,140 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334519Other Measuring and Controlling Device Manufacturing | 7025 | Sep 20, 2012 | Sep 20, 2012 | Oct 5, 2012 |
| | OT - REPAIR OF STS2'S | QUANTERRA, INC. | $57,492 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 811219 | J066MAINT/REPAIR/REBUILD OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT | Sep 15, 2012 | Sep 17, 2012 | Sep 30, 2013 |
| | STS-2 HOST BOXES WITH CABLES | QUANTERRA, INC. | $11,650 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 6655GEOPHYSICAL INSTRUMENTS | Jul 6, 2012 | Jul 6, 2012 | Aug 5, 2012 |
| | LOW DISTORTION WAVEFORM/TIMING PULSE GENERATOR | QUANTERRA, INC. | $119,700 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334519Other Measuring and Controlling Device Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Aug 10, 2011 | Aug 10, 2011 | Mar 31, 2012 |
| | SEISMOMETERS | QUANTERRA, INC. | $191,895 | US GEOLOGICAL SURVEY | — | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Nov 12, 2009 | Nov 12, 2009 | Jun 11, 2011 |
| | SEISMOMETERS | QUANTERRA, INC. | $87,225 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Nov 4, 2009 | Nov 5, 2009 | Dec 15, 2011 |
| | BROADBAND SEISMOMETERS | QUANTERRA, INC. | $575,685 | US GEOLOGICAL SURVEY | — | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Jun 23, 2009 | Jun 23, 2009 | Dec 23, 2010 |
| | SEISMOMETER | QUANTERRA, INC. | $0 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Aug 6, 2008 | Aug 6, 2008 | Sep 30, 2009 |
| | SEISMOMETERS | QUANTERRA, INC. | $191,895 | US GEOLOGICAL SURVEY | — | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Jun 2, 2008 | Jun 2, 2008 | Dec 2, 2009 |
| | SEISMOMETER HOST BOX AND CABLE | QUANTERRA, INC. | $8,089 | US GEOLOGICAL SURVEY | — | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | May 16, 2008 | May 16, 2008 | Aug 15, 2008 |
| | SEISMOMETERS | QUANTERRA, INC. | $82,725 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Aug 16, 2007 | Aug 15, 2007 | Aug 15, 2008 |
| | — | QUANTERRA, INC. | $17,200 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 334519Other Measuring and Controlling Device Manufacturing | — | May 30, 2007 | May 30, 2007 | Sep 30, 2007 |
| | SEISMOMETERS | QUANTERRA, INC. | $132,360 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Sep 6, 2006 | Sep 6, 2006 | Jan 1, 2008 |
| | PORTABLE DIGITAL SEISMOGRAPHS | QUANTERRA, INC. | $41,960 | US GEOLOGICAL SURVEY | — | — | 334519Other Measuring and Controlling Device Manufacturing | 6655GEOPHYSICAL INSTRUMENTS | Jun 8, 2006 | Jul 25, 2006 | Sep 18, 2006 |
| | EARTHQUAKE SEISMOMETER | QUANTERRA, INC. | $181,995 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Jun 6, 2006 | May 30, 2006 | Jan 1, 2008 |
| | EARTHQUAKE SEISMOMETERS | QUANTERRA, INC. | $115,815 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Jan 31, 2006 | Jan 31, 2006 | Apr 1, 2007 |
| | 05-8931-2823TRIAXIALSEISMOMETER | QUANTERRA, INC. | $33,090 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Sep 23, 2005 | Sep 23, 2005 | Sep 30, 2006 |
| | 05-8931-2757 TRIAXIAL SEISOMETER | QUANTERRA, INC. | $99,270 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Sep 8, 2005 | Sep 7, 2005 | Jun 30, 2006 |
| | STS-2 TRIAXIAL SEISMOMETERS | QUANTERRA, INC. | $198,540 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Jul 29, 2005 | Jul 28, 2005 | Feb 1, 2006 |
| | — | QUANTERRA, INC. | $16,675 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | — | 334519Other Measuring and Controlling Device Manufacturing | D304 | Jun 29, 2005 | Jun 29, 2005 | — |
| | — | QUANTERRA, INC. | $16,675 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | — | 334519Other Measuring and Controlling Device Manufacturing | D304 | Jun 23, 2005 | Jun 23, 2005 | — |
| | 04-8931-8230 TRIAXIAL SEISMOMETER | QUANTERRA, INC. | $16,664 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Sep 27, 2004 | Sep 27, 2004 | Nov 12, 2004 |
| | 04-8931-8292 TRIAXIAL SEISMOMETER | QUANTERRA, INC. | $16,545 | US GEOLOGICAL SURVEY | — | — | 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 6655GEOPHYSICAL INSTRUMENTS | Sep 27, 2004 | Sep 27, 2004 | Nov 30, 2004 |