奥克兰- Hynds Pipe Systems LtdEast Tamaki
- Spiraweld NZ LtdPakuranga Heights
- CSP PacificTe Papapa
- Marine ExhaustsBeach Haven
- Steel & Tube Piping Systems
- Steelpipe New Zealand Limited (Trading As SteelpipTe Papapa
坎特伯雷- Hynds Pipe Systems LimitedIslington
- Gracol Enterprises LtdBromley
- CSP PacificSockburn
- Hanham Concrete ProductsTinwald
玛纳瓦图- Marton Brick & Tile Co LtdMarton
北部地区- Claymore Concrete Ltd
- Promax Engineered Plastics
- Firth Industries凯塔亚
南部地区- Southland Spun Pipes - Mico PipelinesWinton
塔拉纳基- C & O Concrete Products Ltd纽普利茅斯
怀卡托- Hynds Pipe Systems LtdMaeroa
- Precast Concrete Products LtdPaeroa
- Thomson Concrete LtdOtorohanga
旺格鲁伊- Fibrecraft Industries LtdWanganui East
惠灵顿- Hynds Pipe Systems LtdKaiwharawhara
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