| Certificate Number | Company Name | Models | Effective Date | Device Type |
| 4734-98 | 44th District Ag Association | Colusa Fair | 3/6/1998 | Non-Computing Scale |
| 5936a-25 | ABB E-Mobility B. V. | HP CP500 zz yyy | 9/26/2025 | Electric Vehicle Supply Equipment |
| 5922a-25 | ABB E-mobility B. V. | Terra 94, 124, 184 yy zz | 9/24/2025 | Electric Vehicle Supply Equipment |
| 6007-25 | ABB E-Mobility B.V. | | 5/30/2025 | Electric Vehicle Supply Equipment |
| 6013-25 | ABB E-Mobility Inc. | C50Sw NA yzz | 7/23/2025 | Electric Vehicle Supply Equipment |
| 4720-98 | ABM Scale Company | ABM DW | 3/11/1998 | Automatic Bulk Weighing Systems |
| 5825-18 | Aguacol USA Corporation | RO-300AZ-RO-300BZ-RO-300CZ | 2/7/2018 | Other Measuring Devices |
| 5964-24 | Air Products and Chemicals | Eagle Research, Micro MV 100 | 2/13/2024 | Meter Indicating Volume |
| 5966a-25 | Alpitronic GmbH | HYC_50UL, 200UL, 400UL | 4/18/2025 | Electric Vehicle Supply Equipment |
| 5619a-14 | American Clear Water Systems | 726 SPLD, ACWS3000, 636 SPLM | 2/26/2014 | Other Measuring Devices |
|