- 成昌通渠
- Point Grey Plumbing & Heating Ltd
- Roto Rooter Services Co
- Super Rooter Plumbing
- Norfolk Plumbing & Electrical Supply Ltd
- Milani Plumbing, Drainage & Heating
- 輝翔暖氣水喉工程公司
- Top Quality Home Services
- A & J Plumbling & Heating Ltd
- Master Plumber Ltd
- 修理水喉新造廁所
- Master Rooter Plumbing & Drains
- Allied Plumbing, Heating & Air Conditioning
- Rockfield Plumbing Services
- Mr. Rooter Plumbing
- 永興通渠水喉電燈暖氣修理
- 明記水喉
- Anderson Plumbing-heating Ltd
- Hillcrest Plumbing
- 專業通下水道(通渠),維修及安裝車房門(車庫門)