Klasmann-deilmann (Rathowen, Co. Westmeath)
Erin Horticulture (Birr, Co. Offaly) – acquired by Westland Horticulture in 2018
Bulrush Horticulture (Bellaghy, Co. Londonderry)
Westland Horticulture (Granville, County Tyrone)
Harte Peat (Clones, Co. Monaghan)
Abbeylara Peat (Cloonfore; Co. Longford)