Omnivent is an international specialist in the development, manufacture and installation of modern ventilation and climate technology for various agricultural sectors. Omnivent specializes in specific storage solutions for various arable crops,including potatoes.

Ontario Potato Dist. (Alliston) Inc.'s primary activity is potato farming, packing, storage, and distribution. Since its inception almost 50 years ago.

OSPGA is an organization of Ontario potato seed growers and breeders who work collaboratively to support the SPUD Unit through the University of Guelph, liaison with CFIA inspectors regarding seed certification and with OMAFRA to promote the best quality Ontario grown seed with stewardly production practices.

At OptiServe they go to extremes. Thinking along with solutions that work is second nature to them. Thanks to more than 15 years of overhauling and selling optical sorting machines

The Oregon State University (OSU) and its extension service devote a significant amount of effort to potato research, in areas such as variety development, Crop Management, Weed Control, Disease Control and Insect Control.

OF&G was formed in 1973 as a marketing cooperative for organic produce but are now a dedicated organic control body and certifier for a number of other sustainable land use schemes.

Since it's inception in 2002, Oro Agri has developed, manufactured and marketed a range of agrochemical products for global distribution. They deal in crop protection and yield enhancing solutions.

Özbil Tarım Makineleri was founded by Bekir Özdemir in Ödemiş, İzmir, in 1978. In their factory, they manufacture various machinery which is utilized in agricultural activity such as soil preparation, plantation, weeding, fertilization and others.

The P.E.I. Potato Quality Institute is owned by the potato producers of Prince Edward Island. This not-for-profit organization functions under the guidance of a Board of Directors, consisting primarily of potato producers.

P J Lee and Sons - Highflyer Farms, are one of the largest individual potato producers in the UK, serving chip shops predominately.

Pace International, LLC id the manufacturer of BIOX, a line of Natural Sprout Inhibitors

Packo Agri focuses on the sale and marketing of agricultural machines: machines for haymaking, tillage and sowing technology, fertilizer spreaders, sprayers and machines for feeding technology of the brands Kuhn, Köckerling, Agricola Italiana and Kerner.

Palacios Escutia S.L. is a Spanish company dedicated to the production, exportation, and importation of fruits and vegetables since 1983.

Palmgren farm is located in Colorado, United States. They are growing seed potatoes and some range of organic potatoes.

Palm Agricultural Production Company PAPCO was incorporated in 1982 in Kuwait as a shareholding company offering diversified agricultural solutions.

Located along the shores of the Pamlico Sound in Eastern North Carolina, Pamlico Shores grows, packs and ships quality produce. They produce potatoes on the farm.

Pan European Potato Enterprise, Ltd (Pep Ltd) is a company involved in the growing and marketing of seed and table potatoes for export (from the UK)

Papas Arcoiris is a family business, founded in 2002 by Boris Contreras Kusch together with his father Andrés Contreras (1943-2014). It is located in Puerto Varas, Los Lagos Region and is dedicated to the production of potatoes, of different colors and shapes, to market them both in Chile and in the most demanding markets in the world.