Businesses starting with W
- Western Lock Services Ltd - West Auckland Locksmiths
- Western Machinery Ltd
- Western Motor & Tractor Services Ltd
- Western Park Village ;
- Western Potters Supplies (1986) Ltd
- Western Rustproofing
- Western Scrap Metals Ltd
- Western Springs Trade Pressers
- Western Switchgear Ltd
- Western Tarpaulins
- Western Tattoo Studio
- Western Union
- Western Waterblasters Ltd
- Westfalia Separator NZ Ltd
- Westfield BrandSpace
- Westfield Manukau
- Westfield Riccarton
- Westfix
- Westfleet Fishermen's Co-Op
- Westgate Riding Academy