Core Molding Technologies, Inc. provided earnings guidance for the year 2021. The company expects sales levels for 2021 to increase compared to 2020. In the company's large market, North American heavy-duty truck, ACT Research is forecasting production to increase approximately 41%. In several other industries the company serves, customers are forecasting higher demand in 2021 including in the building products, power sports, and consumer goods markets. The company and customers have experienced supply disruptions and material cost increases due to storms, port delays, supplier force majeure as well as overall heavy global demand for certain materials. Although some of the supply disruptions have started to subside, the company anticipates the disruptions to continue to impact revenues through the remainder of 2021.