Asphalt Materials, Inc. (AMI) was formed in 1956 and has been continually focused on innovation and leadership in the asphalt business. The core strength of the business is the formulation, manufacturing, and research & development of asphalt binders and emulsions. AMI continually supplies high quality products and services that enable the business to excel in pavement preservation techniques and construction services. AMI plays a critical role in assisting federal, state, local and private authorities in building economical and reliable pavements, while maintaining safety and environmental stewardship to the highest standards. The company operates sixteen asphalt plants in the Midwest Region of the US.