| Contract | Telephone | Email/Website |
| TCCT Helpdesk | 02-080-9888 | helpdesk:-!tcc-technology.com |
| Dell Support Thailand | 001-800-601-8614 | https://www.dell.com/support/incidents-online/th/en/thbsd1 |
| HP Support Thailand | 001-800-441-4085 | https://support.hp.com/th-en |