| | With foreign's investment | | | Rank | Provinces | Establishments | | 1 | Chon Buri | 319 | | 2 | Phra Nakhon Si Ayutthaya | 308 | | 3 | Chachoengsao | 80 | | 4 | Samut Prakan | 79 | | 5 | Rayong | 70 | | 6 | Lamphun | 67 | | 7 | Prachin Buri | 64 | | 8 | Samut Sakhon | 50 | | 9 | Songkhla | 43 | | 10 | Chiang Mai | 38 | | 11 | Nakhon Pathom | 38 | | | Whole Kingdom | 1,454 |
| | | No foreign's investment | | | Rank | Provinces | Establishments | | 1 | Samut Prakan | 2,958 | | 2 | Samut Sakhon | 1,812 | | 3 | Nakhon Pathom | 1,085 | | 4 | Pathum Thani | 1,031 | | 5 | Chon Buri | 776 | | 6 | Phuket | 755 | | 7 | Chiang Mai | 746 | | 8 | Nonthaburi | 674 | | 9 | Phra Nakhon Si Ayutthaya | 532 | | 10 | Chachoengsao | 513 | | | Whole Kingdom | 16,956 |
| | | | |
