Industrial companies in the Rennes area work in a wide range of different sectors. They include:
- Dairies: Lactalis, Entremont, Triballat, Coralis, Unicopa, Préval, Nazart, Mont Saint Michel, Laiterie de Saint-Malo, etc.
- Buns and pastries: Le Duff, Panavi
- Ready-made meals: Claude Léger
- Flavourings, juices and sauces: Arômes de Bretagne, Saveur SA, Siab
- Slaughterhouses and animal by-products: SVA, Sabré, Cooperl
- Seaweed processing companies: Timac, Goëmar
- Nutrition for animals: Guyomarc'h.
Numerous companies are developing new activities in the fields of nutrition and biotechnologies. Several of the companies within the Park supply specialist innovation services.
List of food-processing companies.