Infrastructure & Materials


The Heritage Construction + Materials division is a collection of companies that provide innovative, high-quality road construction materials and services and scientific research for a wide variety of customers.


For more than 65 years, Heritage Construction + Materials companies have been integral in building roads, bridges, and commercial projects across the Midwest.


Our focus on sustainability, business excellence, and talent are what drive us every day. Our common pursuits, shared values and bold strategy connect our businesses. We thrive because of our people because we are one family. One HC+M.

Milestone Contractors is a fully integrated highway, heavy construction, asphalt paving, concrete paving, and site-development general contractor providing construction services throughout the state of Indiana and beyond. We have the personnel, equipment, and resources to handle every facet of a construction project.  We are proud of the strong reputation we’ve built around our ability to perform complex projects within tight time frames. We are known for delivering a quality product on time and within budget. We can serve as either the general contractor working directly for the owner or as a subcontractor on any project.

Since 1956, Asphalt Materials, Inc. (AMI), has been dedicated to helping create longer-lasting, safer, more sustainable roads. A core strength of AMI is the formulation, manufacturing, and research & development of asphalt binders and emulsions.  AMI facilities supply high-quality products and services from over 25 facilities across seven states, allowing AMI to excel in pavement preservation techniques and construction services.

Since 1980, our R&D laboratory, the Heritage Research Group, has partnered with AMI to help customers and partners address and tackle the road construction industry’s biggest challenges.

With over 200 employees across more than 20 Indiana-based quarry operations, we have produced crushed stone, sand, gravel, and specialty materials for more than fifty years. Our products are the primary component in road construction, asphalt and ready mix. They are also used for erosion control and agriculture. Our aggregates group creates more than a hundred products engineered for maximum quality, consistency, and sustainability.

Our in-house research and development team is globally recognized for its’ industry-leading innovation and is responsible for the formulation, engineering, design, and testing of many asphalt and paving products, industrial hygiene products, and analytical chemistry analysis. Our experts partner with industry associations, as well as local, state, and federal research projects.

Longitudinal joint cracking has long been a problem for not just engineers and applicators, but the communities they live in. Thanks to collaboration between state transportation agencies, industry experts at Asphalt Materials, Inc., and the leading-edge laboratories at Heritage Research Group, it’s easier than ever to preserve your investment.

J-Band™ sets the standard as a Void Reducing Asphalt Membrane (VRAM) or Longitudinal Joint Sealant (LJS). But unlike other treatments, it significantly reduces air voids in longitudinal joints from the bottom up – literally. This not only extends the life of the joint, but improves the performance of the entire pavement.