Our Facilities
Our world-class research and development and manufacturing facilities across the United States enable us to deliver biorational solutions used around the world.
Osage Manufacturing Plant
Our Osage manufacturing plant is the world’s largest state-of-the-art facility purpose-built for biorational product production and has proudly served as a cornerstone of the Osage, Iowa, community for over a decade.
Grants Pass and White City Manufacturing Facility
Our Grants Pass and White City facilities in Oregon produce arbuscular mycorrhizal fungi utilized in the agriculture, horticulture, and turf and ornamental markets.
Chaska Manufacturing Facility
Our Chaska plant in Minnesota produces insect control products based primarily on natural pyrethrum and man-made technology.
A Look Inside our Osage Plant
Sumitomo Biorational Company’s manufacturing processes ensure that all our products perform at the highest level possible.
A Look Inside our Biorational Research Center
The Melnik and Shafer Biorational Research Center serves as the hub for all of the company's global research, development, and manufacturing activities. It fosters innovation by bringing together a team of world-class experts in chemistry, entomology, plant pathology, soil health, fermentation, and formulation technology under one roof.
Our Commitment to Research & Development
Sumitomo Biorational Company and our parent company, Sumitomo Chemical, are committed to creating and manufacturing solutions that provide value for plant, public, environmental, and forest health around the world.