There are currently a total of (1) companies in this list.
Witt Seed Farm
Production and sales of Michigan Certified Seed Wheat, Roundup Ready® and conventional non-GMO soybean seed.
Manufacturers site:
Note: Some of the companies listed in this Michigan Seeds Crops Directory may also own/manufacture/raise/produce them in other states and countries as well. Many businesses alter their brand names, practices and designs with little or no notice, so if there are still questions that remain, we suggest contacting the manufacturer directly.