O Agro

Oak Ridge National Laboratory

OASIS - Operation and Agriculture Supply Information System

Obex Packaging LLC

Odisha State Seeds Corporation

OECD (Organization for Economic Co-operation and Development)

OFRF - Organic Farming Research Foundation

Ohio State University

Ohlde Seed Farms Inc.

OHP Inc.

Okayama University

Okinawa Institute of Science and Technology

Oklahoma State University

Oliver Seeds

Ontera, Inc.

Open Source Seed Initiative

Optivite

Oregon State University

Oregon Wholesale Seed Company

Organic Seed Alliance

Origene Seeds Ltd.

Orion Future Technology

Oritain Global Limited

Oro Agri International Limited

Orthman Manufacturing, Inc.

Oxford Nanopore Technologies Ltd

Oxitec Ltd