屋宇維修工程包括:
 
 
 
 
  (I) 爛石屎維修
(II) 裂痕、結構性及防漏維修
(III) 外牆維修
(IV) 天面維修
(V) 食水、鹹水及污水系統更換工程
(VI) 油漆翻新工程
(VII) 室內裝修工程
(VIII) 大堂翻新工程
   
土木、道路及渠道工程包括:
  (I) 地盤平整工程
(II) 道路維修工程
(III) 地下渠道工程
(IV) 小型土木工程
 
專門承建商,包括:
  (I) 自平地台系統工程
(II) 噴漿工程
(III) 壓力灌漿工程
(IV) 防水工程
   
 
General building maintenance work includes:
(I) Concrete repair work
(II) Structural and water seepage crack repair work
(III) External wall repair work
(IV) Re-roofing work
(V) Fresh water, flush water, soil and waste drainage work installation
(VI) Redecoration work
(VII) Interior fitting-out work
(VIII) Lobby renovation work
   
Civil, road and drainage work includes:
  (I) Site formation
(II) Road work
(III) Underground drainage work
(IV) Minor civil work
   
Specialist contractor includes:
(I) Self-levelling floor system
(II) Guniting work
(III) Chemical injection work
(IV) Waterproofing work