Certificates of management systems
| Company | Certificate | Status |
|---|---|---|
| Teragroup Sofia Ltd | ISO 9001:2015 | withdrawn |
| Teragroup Sofia Ltd | ISO 45001:2018 | withdrawn |
| Teragroup Sofia Ltd | ISO 14001:2015 | withdrawn |
| Teraz a. s. | ISO/IEC 27001:2013 | valid |
| Teraz a. s. | ISO 9001:2015 | valid |
| TEREYAGOGLU OTO SANAYI VE TICARET LIMITED ŞIRKETI | ISO 9001:2008 | withdrawn |
| Terix EOOD | HACCP:2003 | withdrawn |
| Terix EOOD | ISO 9001:2008 | withdrawn |
| Termelés-Logistic-Centrum Kft. | ISO 14001:2015 | valid |
| Termelés-Logistic-Centrum Kft. | ISO 9001:2015 | valid |
| Termini-Rail Kft. | ISO 14001:2015 | valid |
| Termini-Rail Kft. | ISO 9001:2015 | valid |
| Terminvest Kft. | ISO 9001:2008 | withdrawn |
| Termo - 97 EOOD | ISO 9001:2015 | valid |
| Termo - 97 EOOD | ISO 14001:2015 | valid |
| Termo - 97 EOOD | ISO 45001:2018 | valid |
| TERMOSTAV - MRÁZ, spoločnosť s ručením obmedzeným, Košice | ISO 9001:2015 | valid |
| TERMOSTAV - MRÁZ, spoločnosť s ručením obmedzeným, Košice | ISO 45001:2018 | valid |
| TERMOSTAV - MRÁZ, spoločnosť s ručením obmedzeným, Košice | ISO 14001:2015 | valid |
| TERMOTECNICA SEBINA S.r.l. | ISO 45001:2018 | valid |