The union represents about 100 employees across a range of positions at the Cargill corn milling plant in Cedar Rapids. The bargaining unit’s contract expired at 11:59 p.m. Monday.

Teamsters Local 238 members at Cargill have been forced to go on strike due to the company's failure to come to terms on a fair agreement. Cargill workers are demanding the company--one of the largest agribusiness conglomerates in the world--provide them with competitive wages that keep pace with the cost of living.