Black's Farm Store was in business in Primghar, Iowa for 35 years and was purchased by Brennen Triplett in 2014. After being purchased, Brennen Triplett and his business partner Joshua Rausch formed O'Brien County Ag Supply and have remained committed to providing quality customer service with competitive pricing and a desire for high yields. They have managed their expansion of services throughout the Northwest Iowa region, including seed sales, comprehensive chemical sales, and application in conjunction with professional agronomic assistance. Both Triplett and Rausch are dedicated to the superior service they give their customers.