United Grain Corporation | 3,070 followers on LinkedIn. United for Success | For over 55 years, United Grain has ensured success for all by uniting our producers, suppliers, and customers to nourish the world safely and reliably. We source grains and oilseeds from more than 2,000 producers and suppliers in the Pacific Northwest and Northern Plains. We manage the supply chain and warehousing, verify and control quality, load the product onto ocean-going vessels at our flagship Vancouver Export Terminal, and ship to our global customers.