- Architectural Services Department
- China Resources Vanguard (Hong Kong) Co., Ltd.
- Citybase Property Management Limited
- Civil Engineering and Development Department, CEDD
- Construction Industry Council
- Creative Engineering Consultancy Limited
- Hong Kong Airport Authority
- Hong Kong Disneyland
- Hong Kong Housing Society
- Hong Kong Ocean Park
- Hong Kong Telecommunications
- Hutchison Telecommunications
- ICON Consultants Limited
- International Finance Centre
- Kai Shing Management Services Limited
- Kerry Property Management Services Limited
- Knight Frank (Services) Ltd.
- MTR Corporation
- Participatory Professional Services Limited
- Prince Jewellery and Watch Co. Ltd.
- Royal HK Jockey Club
- Sino Estates Management Limited
- Tom Lee Music Co. Ltd.
- UDL Argos Engineering & Heavy Industries Ltd.
- Walvic Engineering & Consultant Co. Ltd.
- Wing Hing Construction Co. Ltd.
- YMCA of Hong Kong
