Founded in 1928 as Irving Brothers Gravel Company, family-owned and operated Irving Materials, Inc. (imi) is a building-materials producer and supplier whose history began in gravel and aggregates. It produces ready-mix concrete, aggregates and asphalt, alongside construction divisions E&B Paving and Specialties Company, which undertake heavy-highway, civil and site-development work. imi serves customers across Indiana, Kentucky, Ohio and Tennessee, while Specialties Company operates in multiple states.