Koolau Seed and Supply Co

48-373 Kamehameha Hwy # G
Kaneohe, HI 96744
808-239-1280

Pioneer Hi Bred International I

Koloa Rd
Koloa, HI 96756
808-742-1260

Plant Genesis

15-2703 Alamihi St
Pahoa, HI 96778
808-965-7137

Mycogen Plant Sciences

301 Campus Dr
Huxley, IA 50124
515-597-3284

Stine Seed Co

3055 170th St
Marshalltown, IA 50158
641-474-2222

Dekalb Genetics Corp Ames Research

W Old 30 Hwy
Boone, IA 50036
515-296-2381

Monsanto Co

1159 S Ave
Boone, IA 50036
515-432-2530

Pierson Seed Producers Inc

1816 Highway 163
Oskaloosa, IA 52577
641-673-3415

Microbial Genetics

401 6th St
Durant, IA 52747
563-785-4454

Valley Irrigated Seeds Inc

1016 10th St
Onawa, IA 51040
712-423-3205