Due to the reorganisation of the New Zealand Army Headquarters “Q” branch and the formation of the New Zealand Electrical and Mechanical Engineers (NZEME), new establishment tables for the New Zealand Army Ordnance Corps (NZAOC) were approved for use from 1 October 1946.

Under discussion since 1944, the 1 October 1946 Establishments provided the New Zealand Army Ordnance Corps with a framework within the interim post-war New Zealand Army that woud allow future growth.

Responsibility for the NZ Army’s Logistic Functions fell to the Quartermaster-General who delegated responsibility for Ordnance Services to the Director of Army Equipment (DAE).

Under the DAE the NZ Army Ordnance Services were organised as;

• Headquarters NZ Ordnance Services
  • Headquarters
    • Chief Ordnance Officer (COO) & Staff
  • Provision Group
• Main Ordnance Depot, Trentham
• Three District Sub-Depots
  • No 1 Ordnance Sub-Depot, Hopuhopu
  • No 2 Ordnance Sub- Depot, Linton
    • Sub-Depot Waiouru
  • No 3 Ordnance Sub-Depot, Burnham
• Inspection Ordnance Group, comprising:
  • Headquarters, Trentham
  • Ammunition Repair Depot, Kuku Valley
  • IOO Section Northern Military District (NMD), Hopuhopu
  • IOO Section Central Military District (CMD), Trentham
  • IOO Section Southern Military District (SMD), Burnham
• Ordnance Ammunition Group
  • NMD Ammunition Section HQ, Hopuhopu
    • Ammunition Section, Hopuhopu
    • Ammunition Section, Ardmore
    • Ammunition Section, Kelm Road
  • CMD Ammunition Section HQ, Trentham
    • Ammunition Section, Belmont
    • Ammunition Section, Makomako
    • Ammunition Section, Waiouru
  • SMD Ammunition Section HQ, Burnham
    • Ammunition Section, Glentunnel
    • Ammunition Section, Mount Somers
    • Ammunition Section, Fairlie
    • Ammunition Section, Alexandra