| 1 | Economic Development Department | #6106 | |
| 2 | Economy Development Section | #6110、#6111、#6112 | 376440000a3021@hchg.gov.tw |
| 3 | Economic and Trade Affairs Office | #6150、#6151、#6152 | 376440000a3022@hchg.gov.tw |
| 4 | Public Utilities Section | #6851、#6852、#6853 | 376440000a3024@hchg.gov.tw |
| 5 | Urban and Rural Development Section | #6210、#6212、#6215 | 376440000a3023@hchg.gov.tw |
| 6 | Urban Design Review Section | #6180、#6181、#6182 | 376440000a3025@hchg.gov.tw |
| 7 | Industrial District Management Section | #6250、#6256、#6257 | 376440000a3026@hchg.gov.tw |