Auckland- Opus International Consultants LimitedOrewa
- Opus International Consultants LimitedPukekohe
- Gabites PorterTakapuna
- Tyco Integrated Systems (Total Traffic Systems)Morningside
Bay of Plenty- Sigma Consultants LtdRotorua
Otago- Andrew Haulage LtdBalclutha
- MWH New Zealand LimitedQueenstown
Southland- MWH New Zealand LimitedInvercargill
Taranaki- Apex ConsultantsNew Plymouth
Waikato- MWH New Zealand LtdHamilton
- Pavement Management ServicesFrankton
Wanganui- Test Lab WanganuiWanganui
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