Van Diest Supply Company
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Van Diest Supply Company provides formulation and packaging services for crop protection products used around the world. We formulate and package a wide range of liquid and dry products and package sizes using a variety of formulation processes. We use our technological resources to optimize all facets of our processes in our operation to ensure the end result is a quality product that you’d be proud to sell.  

Commitment to Safety and the Environment

Van Diest Supply Company’s safety and environmental policy states, “Van Diest Supply Company will not formulate, apply, store, sell, transport or dispose of a product unless we can do so in a manner safe to our employees, our customers, and the environment." Bob Van Diest has often stated, “If we can’t do it right, we won’t do it at all."

Van Diest Supply Company employs full time Environmental and Health and Safety Directors to lead our EHS programs. The Safety Director and our Team Member Safety Committees provide direction and training to our Team Members in our comprehensive safety program. Van Diest Supply Company utilizes a variety of safety programs for continuous safety improvement to provide a safe working environment for our Team Members.

Commitment to Quality

Van Diest Supply Company is committed to quality in everything we do. Our quality policy states, "Van Diest Supply Company is committed to providing products and services that consistently meet or exceed the expectations of our customers." This has been the driving force in our commitment to excellence and continuous improvement.

Van Diest Supply Company received certification in the industry standard for quality management, ISO 9001, in 1992. We remain one of only a handful of manufacturers in the State of Iowa with this certification.

Van Diest Supply Company’s formulation, product development and bulk terminal operations are backed by an experienced staff of trained chemists and technicians and state-of-the-art equipment in our quality control laboratories. Our analytical capabilities include High-Performance Liquid Chromatography as well as Liquid Chromatography Triple Quad and Gas Chromatography Mass Spectrometry.

Formulation Capabilities

Our formulation facilities employ the latest state-of-the-art technology for production of all the major forms of herbicides: spray dried, emulsifiable concentrates, suspension concentrates, suspo-emulsions, pan granulated water dispersible granules and extruded water dispersible granules.

Formulation Capabilities

High Speed Packaging Line

Van Diest Supply Company’s primary packaging line is an industry leader with fully automated processes capable of packaging in excess of 30,000 gallons in one 8 hour shift.

High Speed Packaging Line

Herbicide Development Center

Van Diest Supply Company has a unique facility dedicated to formulation development and process development to help push the Ag Chemical Industry forward with new products and processes.

Herbicide Development Center

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