Please contact us via phone, email, or mail:

Sioux Biochemical Inc.
140 19th Street SW
Sioux Center, IA 51250

Phone: (712) 722-4694
Toll Free: (800) 722-4009
Fax: (712) 722-4649

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Personnel Contacts

Allan Kramer, Ph.D., President
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Randy Meyer, Ph.D., Director of Research & Development
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Kevin Wolterstorff, Chief Financial Officer
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