| Company Name | 2017 | 2019 | ||||
|---|---|---|---|---|---|---|
| Number of Trips (time/day) | Timetable | Destination (Province) | Number of Trip Frequency Per Day | Timetable | Destination | |
| Bus service | ||||||
| 1.Chaiyaphom Chong-Cha Reang | 2 | 9.00, 11.00 | Chaiyaphom | 2 | 9.00, 11.00 | Chaiyaphom |
| 2.Chatkapong tour | 1 | 19.00 | Chiang Mai | Out of business | ||
| 3.Transportation company | 2 | 20.00, 20.20 | Bangkok | 2 | 20.00, 20.20 | Bangkok |
| 6 | 7.30, 9.30, 12.40, 14.30, 15.30, 18.00 | Vientiane (Laos) | 6 | 7.30, 9.30, 12.40, 14.30, 15.30, 18.00 | Vientiane (Laos) | |
| Services not yet enabled | 3 | 7.30, 12.40, 15.30 | Louang Prabang (Laos) | |||
| 4.Sawatdee E-san | 2 | 19.30, 20.00 | Bangkok | 1 | 19.30 | Bangkok |
| 5.Air Udon | 4 | 9.00,19.10,20.15,20.30 | Bangkok | 4 | 9.00,19.10,20.15,20.30 | Bangkok |
| 6.Chad Chai tour | 1 | 19.45 | Bangkok | 1 | 19.45 | Bangkok |
| 7.Or. Suesa tour | 1 | 19.00 | Bangkok | 1 | 19.00 | Bangkok |
| 8.Budsarakom tour | 1 | 20.00 | Bangkok | 1 | 20.00 | Bangkok |
| 9.407 Pattana | 3 | 7.00,9.00,20.30 | Bangkok | 3 | 7.00,9.00,20.30 | Bangkok |
| 9 | 7.00,15.30,16.30,17.00,17.30,18.00,18.20,19.00,19.20 | Rayong | 9 | 7.00,15.30,16.30,17.00,17.30,18.00,18.20,19.00,19.20 | Rayong | |
| 10.Chan tour | 3 | 20.00,20.15,20.45 | Bangkok | 3 | 20.00,20.15,20.45 | Bangkok |
| 2 | 12.00,14.00 | Phuket | 3 | 12.00,14.00,14.30 | Phuket | |
| 11.Sri Mong Kon | 1 | 18.30 | Kanchanaburi | 1 | 18.30 | Kanchanaburi |
| 12.Rung Pra Sert tour | 1 | 20.25 | Bangkok | Out of business | ||
| 13.Sa-ng Chai tour | 3 | 7.30,9.00,11.00 | Ubonratchatani | 3 | 7.30,9.00,11.00 | Ubonratchatani |
| 1 | 8.30 | Sri Sa ket | 1 | 8.30 | Sri Sa ket | |
| 14.Green bus | 1 | 9.15 | Chaing Rai (Mea Sai) | Out of business | ||
| 15.Nakorn Chai air | 4 | 10.00,19.45,20.00,20.30 | Bangkok | 3 | 10.00,19.45,20.30 | Bangkok |
| Van service | ||||||
| 1.Pet Tawee air | 13 | 6.00-18.00 | Udon Thani (Bus station) | 13 | 6.00-18.00 | Udon Thani (Bus station) |
| 2.Kittipon Pa Roue | 13 | 6.00-18.00 | Udon Thani (Central) | 13 | 6.00-18.00 | Udon Thani (Central) |
| 3.Chaiyaphom Chong Cha Reang | Services not yet enabled | 13 | 6.00-18.00 | Udon Thani (Central) | ||