The Estates Office (EO) has lists of approved contractors for the following categories:
- Building Contractors
- Electrical Contractors
- Mechanical Ventilation Air-Conditioning (MVAC) Contractors
- Fire Services (FS) Contractors
- Asbestos Contractors
The contractor lists are arranged in two groups based on contract value and whether or not they are included in the list under Development Bureau of HKSAR Government (DevB), except the lists of Asbestos Contractors:
| Category | List A Contractors: already on DevB list, for works with maximum contract value | List B Contractors: NOT on DevB list, for works with maximum contract value |
|---|---|---|
| Building Contractors | HK$75 million | HK$30 million |
| Electrical Contractors | HK$30 million | HK$21million |
| Mechanical Ventilation and Air Conditioning Contractors (MVAC) | ||
| Fire Services Contractors (FS) | ||
| Asbestos Contractors | On the Register of Asbestos Contractors of the Environmental Protection Department (EPD) | |
Building Contractors in List A and List B may submit a tender for contracts of value under HK$30 million. For a contract with a value of HK$30 million to HK$75 million, only Building Contractors in List A are eligible to tender.