| | MARINE CHEMIST INSPECTION AND GAS FREE CERTIFICATION ON BOARD CGC BLACKTIP PRIOR TO DRY DOCK WORK COMMENCING. | SOUND TESTING, INC | $3,775 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | H320INSPECTION- SHIP AND MARINE EQUIPMENT | May 7, 2026 | May 27, 2026 | May 27, 2026 |
| | MARINE CHEMIST SERVICES FOR CGC ANTHONY PETIT | SOUND TESTING, INC | $3,000 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | H320INSPECTION- SHIP AND MARINE EQUIPMENT | Apr 21, 2026 | Apr 21, 2026 | May 24, 2026 |
| | MARINE CHEMIST SERVICES FOR CGC JON WITHERSPOON | SOUND TESTING, INC | $2,925 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | H320INSPECTION- SHIP AND MARINE EQUIPMENT | Mar 4, 2026 | Mar 4, 2026 | Mar 4, 2026 |
| | GAS-FREE CERTIFICATION OF SPACE ON BOARD CGC JOHN MCCORMICK, CGC BAILEY BARCO | SOUND TESTING, INC | $3,420 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | H319INSPECTION- SHIPS, SMALL CRAFT, PONTOONS, AND FLOATING DOCKS | Jan 23, 2026 | Jan 29, 2026 | Jan 31, 2026 |
| | MARINE CHEMIST FOR WELDING | SOUND TESTING, INC | $4,875 | US COAST GUARD | US COAST GUARD | — | 336611Ship Building and Repairing | J020MAINT/REPAIR/REBUILD OF EQUIPMENT- SHIP AND MARINE EQUIPMENT | Jan 8, 2026 | Jan 14, 2026 | Jan 19, 2026 |
| | GAS FREE SERVICE FOR CG45767 (KETCHIKAN) ON OR ABOUT 30OCT2025 AWARD MADE AGAINST ISO UCGR5KP5A0 -- 45767 | SOUND TESTING, INC | $2,845 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | H320INSPECTION- SHIP AND MARINE EQUIPMENT | Oct 24, 2025 | Oct 30, 2025 | Oct 30, 2025 |
| | MARINE CHEMIST INSPECTION AND GAS FREE CERTIFICATION ON BOARD CGC JOHN MCCORMICK | SOUND TESTING, INC | $2,745 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | H320INSPECTION- SHIP AND MARINE EQUIPMENT | Jul 29, 2025 | Jul 31, 2025 | Jul 31, 2025 |
| | GAS FREEING SERVICE | SOUND TESTING, INC | $4,650 | US COAST GUARD | US COAST GUARD | — | 213112Support Activities for Oil and Gas Operations | R499SUPPORT- PROFESSIONAL: OTHER | Nov 4, 2024 | Nov 15, 2024 | Dec 15, 2024 |
| | FIRE MAIN ROOM OVERHEAD REPAIR- MARINE CHEMIST | SOUND TESTING, INC | $5,060 | US COAST GUARD | US COAST GUARD | — | 336611Ship Building and Repairing | J998NON-NUCLEAR SHIP REPAIR (EAST) | Sep 27, 2023 | Oct 16, 2023 | Oct 22, 2023 |
| | MARINE CHEMIST SERVICES | SOUND TESTING, INC | $5,860 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541690Other Scientific and Technical Consulting Services | R699SUPPORT- ADMINISTRATIVE: OTHER | Apr 1, 2022 | Apr 1, 2022 | Apr 29, 2022 |
| | MARINE CHEMIST CGC HICKORY | SOUND TESTING, INC | $3,065 | US COAST GUARD | US COAST GUARD | — | 336611Ship Building and Repairing | K020MODIFICATION OF EQUIPMENT- SHIP AND MARINE EQUIPMENT | Sep 5, 2019 | Sep 5, 2019 | Oct 5, 2019 |
| | MARINE CHEMIST SERVICE | SOUND TESTING, INC | $3,250 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | J019MAINT/REPAIR/REBUILD OF EQUIPMENT- SHIPS, SMALL CRAFT, PONTOONS, AND FLOATING DOCKS | Jul 31, 2018 | Jul 31, 2018 | Sep 7, 2018 |
| | IGF::OT::IGF CASREP 13040, CAT3: MARINE CHEMIST. | SOUND TESTING, INC | $3,555 | US COAST GUARD | US COAST GUARD | — | 541620Environmental Consulting Services | F101ENVIRONMENTAL SYSTEMS PROTECTION- AIR QUALITY SUPPORT | Oct 4, 2013 | Oct 4, 2013 | Oct 15, 2013 |
| | FUEL OIL TANKS (22) GAS FREE CERT | SOUND TESTING, INC | $6,330 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541690Other Scientific and Technical Consulting Services | K099MODIFICATION OF EQUIPMENT- MISCELLANEOUS | Aug 15, 2013 | Aug 10, 2013 | Aug 15, 2013 |
| | MARINE CHEMIST TO CONDUCT WELDING REPAIRS | SOUND TESTING, INC | $1,365 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | J020MAINT/REPAIR/REBUILD OF EQUIPMENT- SHIP AND MARINE EQUIPMENT | Oct 15, 2012 | Oct 15, 2012 | Nov 14, 2012 |
| | MARINE CHEMIST GAS FREE CERTIFICAT | SOUND TESTING, INC | $9,765 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541690Other Scientific and Technical Consulting Services | J999NON-NUCLEAR SHIP REPAIR (WEST) | Jul 6, 2012 | Jul 6, 2012 | Jul 13, 2012 |
| | MARINE CHEMIST | SOUND TESTING, INC | $4,220 | US COAST GUARD | US COAST GUARD | — | 541690Other Scientific and Technical Consulting Services | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | May 8, 2012 | May 8, 2012 | May 16, 2012 |
| | GAS FREE ENGINEER | SOUND TESTING, INC | $8,172 | US COAST GUARD | — | — | 541690Other Scientific and Technical Consulting Services | H320INSPECTION- SHIP AND MARINE EQUIPMENT | Dec 31, 2009 | Dec 31, 2009 | Jan 3, 2010 |
| | GAS FREE ENGINEER SERVICES | SOUND TESTING, INC | $5,000 | US COAST GUARD | — | — | — | — | Apr 13, 2009 | Apr 13, 2009 | May 13, 2009 |
| | TANK CLEANING; CERTIFICATIONS | SOUND TESTING, INC | $12,480 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541690Other Scientific and Technical Consulting Services | J999NON-NUCLEAR SHIP REPAIR (WEST) | Aug 12, 2008 | Aug 12, 2008 | Aug 12, 2008 |
| | 6HL/EEO/GAS FREE CERTIFICATION FROM A MARINE CHEMIST | SOUND TESTING, INC | $235 | US COAST GUARD | — | — | — | — | Dec 17, 2007 | Dec 17, 2007 | Jan 16, 2008 |
| | HIRE GAS FREE ENGINEER | SOUND TESTING, INC | $375 | US COAST GUARD | — | — | 541620Environmental Consulting Services | H168QUALITY CONTROL- CHEMICALS AND CHEMICAL PRODUCTS | May 8, 2007 | May 8, 2007 | May 8, 2007 |
| | CASREP 07012, POTABLE WATER TANK. MARINE CHEMIST TO CERTIFY FOUR TANKS GAS FREE FOR ENTRY. | SOUND TESTING, INC | $3,340 | US COAST GUARD | — | — | 336611Ship Building and Repairing | J999NON-NUCLEAR SHIP REPAIR (WEST) | Mar 13, 2007 | Mar 13, 2007 | Mar 14, 2007 |
| | GD313 GAS FREE VOIDS | SOUND TESTING, INC | $470 | US COAST GUARD | — | — | — | — | Feb 26, 2007 | Feb 26, 2007 | Mar 5, 2007 |
| | HYDRAULIC OIL TESTING | SOUND TESTING, INC | $95 | US COAST GUARD | — | — | 236210Industrial Building Construction | 1990MISCELLANEOUS VESSELS | Jun 1, 2006 | Jun 1, 2006 | Jul 1, 2006 |