| Bartle, Dwight | 1331 Briggs Rd, Brown City 48416 | 810-378-5258 |
| Bay Shore Farms, Inc. | 2125 N. Wheeler Rd., Snover 48472 | 810-672-9497 |
| Blu Sky Farm | 12706 Cascade Rd, Lowell 49331 | 616-897-4995 |
| Direct Enterprises | 9656 Breckenridge Station, Mc Cordsville, IN 46055 | 317-335-2458 |
| Golden Acre Farm | 1975 N. Okemos Rd, Mason 48854 | 517-676-5013 |
| Gries Seed Farm, Inc. | 2348 N. 5th St, Fremont, OH 43420 | 419-332-5571 |
| Lasceski, Dennis | 3302 Crockard Rd, Filion 48432 | 989-269-7980 |
| MAC - Jasper | 1050 Ogden St., Jasper 49248 | 517-436-3126 |
| Mid Michigan Specialty Crops | 304 S. Pine St, Ithaca 48847 | 989-875-6672 |
| New York Seed Improvement | 103C Leland Lab, Cornell University, Ithaca, NY 14851 | 607-255-9869 |
| Osminski, Gary | 2375 Rapson Rd., Bad Axe 48413 | 989-269-6219 |
| Platinum Genetics, LLC | 3490 Belle Chase Way Lansing, MI 48911 | 989-272-1514 |
| Schramke farms | 5676 Mower Rd, Saginaw 48601 | 989-777-0264 |
| Sobek, Stanley | 6517 Thunderbay Hwy, Posen 49776 | 989-766-2778 |
| Star of the West Milling | 9715 Saginaw St, Reese 48757 | 989-868-4146 |
| Twin Ash Farms | 4040 Mushroom Rd., Snover 48472 | 989-756-3432 |
| Vollmer, Gary | 4314 E. Cass City Rd, Cass City 48726 | 989-872-2602 |