| Company | Plant Location | MPa | Start Date | Expiry Date | Certificate |
|---|---|---|---|---|---|
| Firth Industries | Albany | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF |
| Amberley | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Aotea Quay | 50 | 01 Aug 2023 | 31 Jul 2024 | Download PDF | |
| Ashburton | 45 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Auckland Airport | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Belmont | 50 | 01 Aug 2023 | 31 Jul 2024 | Download PDF | |
| Blenheim (Tuamarina) | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Bromley | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Christchurch (Hornby) | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Darfield | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Dargaville | 50 | 01 Feb 2024 | 31 Oct 2024 | Download PDF | |
| Geraldine | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Fairlie (Satellite) | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Green Island (Dunedin) | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Greymouth | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Hamer Street | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Hamilton A | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Hamilton B (Satellite) | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Harewood (Canterbury Concrete) | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Hawera | 50 | 01 Aug 2023 | 31 Jul 2024 | Download PDF | |
| Henderson | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Invercargill | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Katikati | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Leonard Road | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Levin | 50 | 01 Aug 2023 | 31 Jul 2024 | Download PDF | |
| Mangawhai | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Manukau | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Matakana | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Mount Maunganui A | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Mount Maunganui B New (Satellite) | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Te Puke (Satellite) | 50 | 01 Feb 2024 | 30 Apr 2024 | Download PDF | |
| Napier | 50 | 01 Aug 2023 | 31 Jul 2024 | Download PDF | |
| Hastings (Satellite) | 50 | 25 Oct 2023 | 31 Jul 2024 | Download PDF | |
| New Plymouth B | 50 | 01 Nov 2023 | 31 Jul 2024 | Download PDF | |
| Oamaru | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Hilderthorpe (Satellite) | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Palmerston North | 50 | 01 Aug 2023 | 31 Jul 2024 | Download PDF | |
| Paraparaumu | 50 | 01 Aug 2023 | 31 Jul 2024 | Download PDF | |
| Pukekohe | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Puketona | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Queenstown | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Richmond (Nelson) | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Rolleston | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Rotorua | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Silverdale | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Stratford | 50 | 01 Aug 2023 | 31 Jul 2024 | Download PDF | |
| Taupo | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Te Awamutu | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Thames | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Tokoroa | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Waiheke Island | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Wanaka | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Washdyke (Timaru) | 50 | 01 May 2023 | 30 Apr 2024 | Download PDF | |
| Wellsford | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Whakatane | 50 | 01 Feb 2024 | 31 Jan 2025 | Download PDF | |
| Whangamata | 50 | 01 Feb 2024 | 30 Apr 2024 | Download PDF | |
| Whangarei | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| Marsden (Satellite) | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF | |
| FNR Concrete Limited | Kaitaia | 50 | 01 Nov 2023 | 31 Jan 2024 | Download PDF |
| Kaitaia (New Plant) | - | - | - | - | |
| Formstress Precast Limited | Waiuku | 50 | 01 Nov 2023 | 31 Oct 2024 | Download PDF |
