| Brand Name | Company | Address1 | City | State | Zip |
| Agripro | Agripro Seeds Inc. | 824 2nd St. S., Box 250 | Brookings | SD | 57006-0250 |
| Asgrow | Asgrow Seed Company | 2605 E. Kilgore Rd. | Kalamazoo | MI | 49002 |
| Blaney | Gutwein Seeds | Rt 1, Box 40 | Francesville | IN | 47946 |
| Brown's | Brown Seed Farms, Inc. | N1279 530th St. | Bay City | WI | 54723 |
| Brunner | Brunner Seed Farm | W3850 US Hwy 10 | Durand | WI | 54736 |
| Cargill | Cargill Hybrid Seeds | P.O. Box 5645 | Minneapolis | MN | 55440-5645 |
| Carhart's Blue Top | Carhart's Blue Top Seed, Inc. | N14473 County Rd. M | Galesville | WI | 54630-8323 |
| Ciba Seeds | Ciba Seeds | 211 Landmark Dr., Suite D-4 | Normal | IL | 61761 |
| Cornelius | Cornelius Seed Corn Co. | 31578 150th St. | Bellevue | IA | 52031 |
| Croplan Genetics | Cenex/Land O' Lakes | P.O. Box 64098 | St Paul | MN | 55164-0089 |
| Crow's | Crow's Hybrid Corn Company | P.O. Box 306 | Milford | IL | 60953 |
| Dahlco | Dahlco Seeds, Inc. | 14730 15th St. SW | Cokato | MN | 55321 |
| Dahlman | Dahlman Seeds | 73504 200th St. | Dassel | MN | 55325 |
| Dairyland Seed | Dairyland Seed Company, Inc. | P.O. Box 958 | West Bend | WI | 53095 |
| Dekalb | DeKalb Genetics Corp. | 3100 Sycamore Road | DeKalb | IL | 60115 |
| Golden Harvest | Golden Seed Company, Inc. | 27420 137th Avenue N. | Cordova | IL | 61242 |
| Growmark | Growmark, Inc. | 1701 Towanda Avenue | Bloomington | IL | 61701 |
| Gutwein | Gutwein Seeds | Rt 1, Box 40 | Francesville | IN | 47946 |
| Henkel Seed | Henkel Seeds | 107 Cedar Grove Rd. | Mendota | IL | 61342 |
| Herried Seeds | L.G. Seeds | 925 Dexter St. Box 216 | Prescott | WI | 54021-0216 |
| Hughes | Hughes Hybrids, Inc. | 603 N. McKinstry Rd. | Woodstock | IL | 60098 |
| ICI/Garst | Garst Seed Company | P.O. Box 500 | Slater | IA | 50244 |
| Jeske | Jeske Seed Farm | W8598 Cty. S | Hortonville | WI | 54944 |
| Jung | Jung Seed Genetics, Inc. | 335 S. High St. | Randolph | WI | 53957 |
| Kaltenberg | Kaltenberg Seed Farms, Inc. | 5506 Hwy 19, Box 278 | Waunakee | WI | 53597 |
| Lemke | Lemke Seed Farms, Inc. | 10220 North Granville Road | Mequon | WI | 53097 |
| LG Seeds | L.G. Seeds | 925 Dexter St. Box 216 | Prescott | WI | 54021-0216 |
| Linco | Linco Seeds | P.O. Box B | Dassel | MN | 55325 |
| M/W Genetics | Midwest Seed Genetics | P.O. Box 518 | Carroll | IA | 51401 |
| Mohr | Mohr Seed, Inc. | P.O. Box 66 | Onalaska | WI | 54650 |
| Mycogen | Mycogen Seeds | P.O. Box 21428 | St. Paul | MN | 55121-1428 |
| North-Gro | North-Gro Seeds, Inc. | 613 N. Randolph St. | Cuba City | WI | 53807 |
| Northrup King | Northrup King Co. | 2622 Blaney Road | Madison | WI | 53711 |
| O'Brien Hybrids | O'Brien Farms, Inc. | 552 Glenway Rd. | Brooklyn | WI | 53521 |
| Patriot | Patriot Seed Company | 208 S. Worrell, Box 97 | Bowen | IL | 62316 |
| Payco | Olds Seed Co. | P.O. Box 7790 | Madison | WI | 53707-7790 |
| Pfister | Pfister Hybrid Corn Co. | P.O. Box 187 | El Paso | IL | 61738 |
| Pickseed | Pickseed Canada Inc. | 2825 Queen St. N | Tilbury | Ontario, Canada | N0P 2L0 |
| Pioneer | Pioneer Hi-Bred International, Inc. | 414 D'Onofrio Dr. Suite 200 | Madison | WI | 53719 |
| Prairie Gold | La Crosse Seed/Ramy International | P.O. Box 3722 | Mankato | MN | 56001 |
| Renk | Renk Seed Company | 6800 Wilburn Road | Sun Prairie | WI | 53590 |
| Seed Mart | Seed Mart, Inc. | P.O. Box 126 | Prescott | WI | 54021 |
| Spangler | Spangler Bros., Inc. | 803 West Racine St. | Jefferson | WI | 53549 |
| Terra | Terra International Inc. | P.O. Box 6000 | Sioux City | IA | 51102-6000 |
| Top Farm | Top Farm Hybrids, Inc. | P.O. Box 850 | Cokato | MN | 55321 |
| Trelay | Trelay Seed Co. | 11623 Hwy 80 N | Livingston | WI | 53554 |
| Wyffels | Wyffels Hybrids, Inc. | P.O. Box 246 | Atkinson | IL | 61235 |
Last Update: 12/3/96
Name: WI Corn Extension