The HPC 420 certified organizations are listed in the table below.
| Organization name | Country | Issue Date | Valid Until Date | Certificate file |
| CMC Consumer Medical Care Pamuk Sanayi Ambalaj ve Ticaret Ltd. Sti | Turkey | 19-03-2021 | 18-03-2024 | Download |
| CMC Consumer Medical Care Pamuk Sanayi Ambalaj ve Ticaret Ltd. Sti | Turkey | 19-03-2021 | 18-03-2024 | Download |
| Ugur Seluloz Kimya Makina Gida Sanayi Ve Ticaret As. | Turkey | 10-08-2020 | 09-08-2023 | Download |
| Yangzhou SIXIN New Material Technology Co., Ltd. | China | 28-09-2020 | 27-09-2023 | Download |