1. Avoca Seed & Chemical 1400 N Sawmill Rd, Avoca, IA 51521 Coordinate: 41.48902,-95.3396 Phone: (712) 343-4306
2. Piittman Seed Co 563 N Locust St, Avoca, IA 51521 Coordinate: 41.48119,-95.33357 Phone: (712) 343-2654