Auckland- Easteel Industries LimitedWiri
- Energy Products InternationalAvondale
Bay of Plenty- Burner Services LtdTe Puke
Canterbury- Avon Electric LtdBromley
- Energy Products InternationalMiddleton
Hawke's Bay- Easteel Industries LimitedHastings
Marlborough- Cuddon EngineeringBlenheim
Wellington- Energy Products InternationalPetone
- Devham Services LtdHutt City
- Hardisty Engineering LtdNaenae
- Aquaheat Industries LtdTawa
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