National Lime and Stone

With over 60 years of experience, The Gerken Companies have been dedicated to building and enhancing infrastructure in northwest Ohio and southeast Michigan. Adapting to evolving technologies and industry standards, The Gerken Companies have remained committed to their mission of success and progress. Generated from their website's infomation

Founded in 1946, imi (Irving Materials, Inc.) provides aggregates, ready mixed concrete, asphalt, concrete building supplies, and specialty construction services throughout the Midwest and Southern United States. Operating over 200 local plants and mobile concrete plant operations, imi delivers dependable infrastructure solutions to service public and private sector projects. Utilizing its high quality and innovative product lines, imi can provide unique solutions to customers, no matter the project size. The company is headquartered in Greenfield, Indiana, and is one of the largest material suppliers operating in the United States.E&B Paving, a division of imi, is one of the largest infrastructure contractors in the Midwest. E&B operates as an asphalt and concrete paving general contractor. With 18 regional asphalt plants and mobile concrete plants, E&B delivers on time, on budget, and on spec projects for asphalt, concrete, bridges, and grade and drain services.