| 1 | Economic Development Department | #6106 | |
| 2 | Economy Development Section | #6111－#6119 | 376440000a3021@hchg.gov.tw |
| 3 | Economic and Trade Affairs Office | #6150、#6151、#6152 | 376440000a3022@hchg.gov.tw |
| 4 | Urban and Rural Development Section | #6211－#6221 | 376440000a3023@hchg.gov.tw |
| 5 | Urban Design Review Section | #6181－#6189 | 376440000a3025@hchg.gov.tw |
| 6 | Industrial District Management Section | #6257、#6256、#6259 | 376440000a3026@hchg.gov.tw |
| 7 | Building Administration Section | #2531、#2533 | 376440000a3027@hchg.gov.tw |
| 8 | Building Permit and Inspection Section | #6369、#6370 | 376440000a3028@hchg.gov.tw |