| | DATA LOGGER INSPECTION AND RECALIBRATION - PME | PRECISION MEASUREMENT ENGINEERING, INC. | $14,545 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334519Other Measuring and Controlling Device Manufacturing | J052MAINT/REPAIR/REBUILD OF EQUIPMENT- MEASURING TOOLS | Apr 24, 2026 | Apr 24, 2026 | May 23, 2026 |
| | TCHAIN INTERFACE CIRCUIT, OTHERS | PRECISION MEASUREMENT ENGINEERING, INC. | $40,611 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Sep 10, 2025 | Sep 9, 2025 | Nov 18, 2025 |
| | LOGGERS & ACCESSORIES | PRECISION MEASUREMENT ENGINEERING, INC. | $131,295 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334516Analytical Laboratory Instrument Manufacturing | 6645TIME MEASURING INSTRUMENTS | Jun 11, 2025 | Jun 11, 2025 | Jul 11, 2025 |
| | SERVICES NON-PERSONAL FOR MINIDOT LOGGER CALIBRATIONS | PRECISION MEASUREMENT ENGINEERING, INC. | $11,779 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 811210Electronic and Precision Equipment Repair and Maintenance | J066MAINT/REPAIR/REBUILD OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT | Apr 24, 2025 | Apr 24, 2025 | May 24, 2025 |
| | PROCURE MINIDOT DISSOLVED OXYGEN/TEMPERATURE SENSORS AND MINIPAR LIGHT SENSORS. | PRECISION MEASUREMENT ENGINEERING, INC. | $60,085 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Sep 4, 2024 | Sep 4, 2024 | Nov 1, 2024 |
| | WATER QUALITY MONITORING EQUIPMENT | PRECISION MEASUREMENT ENGINEERING, INC. | $15,884 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 334519Other Measuring and Controlling Device Manufacturing | 6685PRESSURE, TEMPERATURE, AND HUMIDITY MEASURING AND CONTROLLING INSTRUMENTS | Aug 13, 2024 | Aug 13, 2024 | Sep 30, 2024 |
| | TEMPERATURE DO LOGGERS | PRECISION MEASUREMENT ENGINEERING, INC. | $45,310 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334516Analytical Laboratory Instrument Manufacturing | 6680LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS | May 20, 2024 | May 20, 2024 | Jun 21, 2024 |
| | PRECISION MEASUREMENT ENGINEERING INC.S MINIPAR LOGGER + ANTI-FOULING WIPER COMBO KIT | PRECISION MEASUREMENT ENGINEERING, INC. | $21,050 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 6680LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS | Apr 21, 2023 | Apr 21, 2023 | Jul 21, 2023 |
| | TEMPERATURE DO LOGGERS | PRECISION MEASUREMENT ENGINEERING, INC. | $85,133 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334516Analytical Laboratory Instrument Manufacturing | 6680LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS | Apr 4, 2023 | Apr 4, 2023 | May 4, 2023 |
| | PURCHASE OF MINIDOT SENSORS | PRECISION MEASUREMENT ENGINEERING, INC. | $41,982 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Mar 15, 2023 | Mar 15, 2023 | Apr 1, 2023 |
| | ANNUAL MAINTENANCE AND RECALIBRATION OF 48 MINI OXYGEN LOGGERS. | PRECISION MEASUREMENT ENGINEERING, INC. | $4,124 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 811210Electronic and Precision Equipment Repair and Maintenance | J066MAINT/REPAIR/REBUILD OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT | Jan 24, 2023 | Jan 24, 2023 | Mar 1, 2023 |
| | PURCAHSE OF OXYGEN MINIDOT LOGGERS | PRECISION MEASUREMENT ENGINEERING, INC. | $13,338 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Jul 28, 2022 | Jul 28, 2022 | Oct 1, 2022 |
| | SUPPLY: HI-PACIFIC ISL FISH WILDL OFC-LOGGER | PRECISION MEASUREMENT ENGINEERING, INC. | $16,840 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 334516Analytical Laboratory Instrument Manufacturing | 6630CHEMICAL ANALYSIS INSTRUMENTS | Jun 27, 2022 | Jun 27, 2022 | Jul 29, 2022 |
| | PURCHASE OF MINIDOT SENSORS | PRECISION MEASUREMENT ENGINEERING, INC. | $19,151 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Mar 30, 2022 | Mar 30, 2022 | May 1, 2022 |
| | MINIPAR LOGGER W/ANTI-FOULING WIPER - PRECISION MEASUREMENT ENGINEERING, INC. | PRECISION MEASUREMENT ENGINEERING, INC. | $13,986 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Mar 21, 2022 | Mar 21, 2022 | Jul 1, 2022 |
| | SERVICES FOR OXYGEN LOGGER REPAIR AND MAINTENANCE | PRECISION MEASUREMENT ENGINEERING, INC. | $4,760 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 541330Engineering Services | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Jan 31, 2022 | Jan 31, 2022 | Mar 1, 2022 |
| | DISSOLVED OXYGEN LOGGERS | PRECISION MEASUREMENT ENGINEERING, INC. | $89,949 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Aug 27, 2021 | Aug 27, 2021 | Sep 30, 2021 |
| | USB MINIDOT LOGGERS | PRECISION MEASUREMENT ENGINEERING, INC. | $24,685 | AGRICULTURAL RESEARCH SERVICE | AGRICULTURAL RESEARCH SERVICE | — | 334516Analytical Laboratory Instrument Manufacturing | 6695COMBINATION AND MISCELLANEOUS INSTRUMENTS | Aug 19, 2021 | Aug 19, 2021 | Sep 30, 2021 |
| | OTHER, OXYGEN LOGGERS | PRECISION MEASUREMENT ENGINEERING, INC. | $22,956 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 334516Analytical Laboratory Instrument Manufacturing | 6645TIME MEASURING INSTRUMENTS | Feb 23, 2021 | Feb 23, 2021 | Apr 24, 2021 |
| | PURCHASE OF DISSOVLED OXYGEN DATA LOGGERS | PRECISION MEASUREMENT ENGINEERING, INC. | $85,670 | US GEOLOGICAL SURVEY | US GEOLOGICAL SURVEY | — | 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 6680LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS | Aug 10, 2020 | Aug 12, 2020 | Sep 1, 2020 |
| | WI-ASHLAND FWCO-MINIDOT LOGGERS | PRECISION MEASUREMENT ENGINEERING, INC. | $53,910 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 334516Analytical Laboratory Instrument Manufacturing | 6645TIME MEASURING INSTRUMENTS | Aug 8, 2020 | Aug 10, 2020 | Nov 20, 2020 |
| | BRAND NAME ONLY DISSOLVED OXYGEN AND WATER TEMPERATURE SENSOR WITH MECHANICAL WIPERS | PRECISION MEASUREMENT ENGINEERING, INC. | $23,985 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Jul 13, 2020 | Jul 13, 2020 | Jul 28, 2020 |
| | #7450 USB MINIDOT LOGGERᱶ USB COMMUNICATION CABLE. | PRECISION MEASUREMENT ENGINEERING, INC. | $13,440 | AGRICULTURAL RESEARCH SERVICE | AGRICULTURAL RESEARCH SERVICE | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Jun 16, 2020 | Jun 16, 2020 | Jun 23, 2020 |
| | MINIDOT OXYGEN SENSORS 7EA WITH USB COMMUNICATION CABLE 1EA. | PRECISION MEASUREMENT ENGINEERING, INC. | $6,960 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Mar 27, 2020 | Mar 27, 2020 | Apr 30, 2020 |
| | SCIENTIFIC SUPPLIES FOR LAB AND FIELD EXPERIMENTS | PRECISION MEASUREMENT ENGINEERING, INC. | $7,090 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 423490Other Professional Equipment and Supplies Merchant Wholesalers | 6640LABORATORY EQUIPMENT AND SUPPLIES | Jan 22, 2020 | Jan 22, 2020 | Mar 31, 2020 |