Ten provinces with least number of establishments with one employee and over: 2003 - 2005
  2003  
Rank Provinces Establishment
1 Mae Hong Son 495
2 Amnat Charoen 551
3 Ang Thong 575
4 Nong Bua Lam Phu 668
5 Nakhon Nayok 710
6 Sa Kaeo 823
7 Chai Nat 882
8 Satun 957
9 Trat 1,000
10 Uthai Thani 1,000
  Whole Kingdom 383,762
  2004  
Rank Provinces Establishment
1 Mae Hong Son 539
2 Nong Bua Lam Phu 575
3 Amnat Charoen 601
4 Ang Thong 774
5 Nakhon Nayok 832
6 Uthai Thani 862
7 Sa Kaeo 908
8 Sing Buri 935
9 Chai Nat 983
10 Satun 1,038
  Whole Kingdom 410,942
  2005  
Rank Provinces Establishment
1 Nong Bua Lam Phu 500
2 Mae Hong Son 512
3 Amnat Charoen 637
4 Mukdahan 747
5 Ang Thong 791
6 Prachin Buri 804
7 Nakhon Nayok 827
8 Uthai Thani 838
9 Satun 867
10 Chai Nat 871
  Whole Kingdom 211,558
Statistical Forecasting Bureau,  National Statistical Office