| Accounts Payable | Accountspayable@tstc.edu |
| Central Receiving/ Inventory Control | Inventory@tstc.edu |
| Contract Administration | Contractadmin@tstc.edu |
| Credit Card Department | Pcard@tstc.edu |
| Travel@tstc.edu | |
| Purchasing | Purchasing@tstc.edu |
| Solicitation | Solicitations@tstc.edu |