Food safety is important to Hammons Products Company. As such, our Black Walnuts are always processed under strict quality control procedures and Good Manufacturing Practices (GMP’s) approved by the FDA. Our nutmeats conform to all federal and state government regulations and are always processed under full FDA and USDA HACCP (Hazard Analysis & Critical Control Points) guidelines in an effort to minimize the possibility of any food safety issues such as shells in the nutmeats. As a result, you will find batch-to-batch uniformity of fresh, wholesome, well-developed kernels, consistent in size, color and rich, distinctive Black Walnut flavor.

Contact us to learn more about Hammons’ product specifications.


Once the year’s wild crop comes to the Hammons Products Company headquarters in Stockton, Missouri, the production process begins and every step, from cracking and sorting—to packaging and shipping, takes place in our quality-controlled plant under the watchful eyes of experienced staff.


  1. Step One

    Inshell Black Walnuts are cleaned and dried.

  2. Step Two

    Nuts are run between large steel wheels to crack the extremely hard shells.

  3. Step Three

    Nuts pass through rollers with saw-like teeth to separate the nutmeats from the shells.

  4. Step Four

    Nut kernels are graded into various sizes using the latest technology electronic sorting machines that also remove any remaining shell pieces or discolored kernels.

  5. Step Five

    A trained inspector makes a visual inspection to ensure the final product meets our high-quality standards. After approval, the nutmeats are boxed, sealed and sterilized to meet quality specifications.

food safety certifications and affiliations