| # | Company | Annual Revenue | Total Employees | Headquarters | Mobile Phone |
|---|---|---|---|---|---|
| 1 | KT Interprise | Above US$100 Million | Above 1000 People | Uttaradit | 88 ***** 666 |
| 2 | T. Prasert Uttaradit Rice Mill Co., Ltd. | US$10 Million - US$50 Million | 51 - 100 People | Uttaradit | 66 ***** 163 |