Dacom provides products and services to arable farmers including a management system for insects and diseases (including Phytophthora for potatoes), irrigation and fertilization management.   
DANESPO A/S is the leading company in the field of breeding and producing quality seed and ware potatoes in Northern Europe.
Daxinganling Xingjia Seed Industry Co., Ltd. is an export oriented Chinese seed potato company.
De Aardappelhoeve is a family business specialized in the growing, washing and packing of table potatoes.
Delby Commerse is a food shipment compnay based out of Germany.
Den Hartigh is a Dutch supplier of seed potatoes, specialized in global distribution
Deprez Construct NV is a manufacturer of equipment for internal transport of several goods, including potatoes.
Desmazières SA is a subsidiary (89%) of Agrico
Dewulf is a leading global player and manufacturerof agricultural machines for the cultivation of potatoes and root crops.
DK Potatoes is a third generation family farm in Victoria, Australia focused on the cultivation of purple potatoes and the production of potato chips of these purple potatoes