Ten province with most percentage of manufacturing employee: 2004 - 2006
  2004  
Rank Provinces %
1 Samut Sakhon 57.40
2 Phra Nakhon Si Ayutthaya 46.23
3 Prachin Buri 44.77
4 Pathum Thani 44.07
5 Sara Buri 40.82
6 Chon Buri 36.33
7 Ang Thong 36.05
8 Rayong 35.84
9 Samut Songkhram 34.66
10 Lamphun 34.42
  Whole Kingdom 20.51
  2005  
Rank Provinces %
1 Samut Sakhon 61.22
2 Phra Nakhon Si Ayutthaya 46.34
3 Pathum Thani 45.01
4 Prachin Buri 40.69
5 Chon Buri 39.35
6 Sara Buri 38.42
7 Samut Songkhram 38.42
8 Chachoengsao 37.97
9 Rayong 37.67
10 Ang Thong 35.56
  Whole Kingdom 20.25
  2006  
Rank Provinces %
1 Samut Sakhon 64.62
2 Phra Nakhon Si Ayutthaya 48.66
3 Pathum Thani 45.67
4 Sara Buri 44.02
5 Prachin Buri 42.69
6 Samut Songkhram 38.95
7 Rayong 38.23
8 Chachoengsao 37.00
9 Chon Buri 36.67
10 Nakhon Pathom 34.58
  ทั่วราชอาณาจักร 20.63
Statistical Forecasting Bureau,  National Statistical Office