J.D. Irving Limited (JDI) is a privately owned conglomerate company headquartered in Saint John, New Brunswick, Canada. It is a subsidiary of the parent company, Irving Group of Companies, along with Irving Oil Refinery, Canaport, Irving Tissue Irving Equipment, Kent Building Supplies, New Brunswick Railway, New Brunswick Southern Railway, Eastern Maine Railway, Maine Northern Railway, Brunswick News, Acadia Broadcasting, Irving Shipbuilding, Cavendish Farms. It is involved in many industries including forestry, forestry products, agriculture, food processing, transportation, and shipbuilding. JDI company forms, with Irving Oil, Ocean Capital Investments and Brunswick News, the bulk of the Irving Group of Companies, which groups the interests of the Irving family.
