The Heritage Group

Rieth-Riley

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As the industry leader throughout Indiana and Michigan for asphalt paving, Rieth-Riley specializes in asphalt construction for commercial, industrial and municipal parking lots, streets, highways and site development projects of all complexities and sizes. We own and operate hot mix asphalt plants throughout Indiana and Michigan — and maintain a fleet of portable plants — giving us the flexibility to go wherever the next project takes us. In addition, Rieth-Riley owns a wide assortment of asphalt paving equipment and we can design and build specialized paving equipment for unique assignments. We bring a forward-thinking approach that gets your job completed on-time, on-spec and on-budget. It's an approach that seeks out the innovative new processes, technologies and techniques that can enable superior results. Rieth-Riley is a 100% employee owned company. We truly think like owners and take personal pride and care in every project we do.

Knife River

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Knife River is a people-first construction company, focused on building strong teams, building strong communities and Building a Strong America. We have 5,600 team members, who work hard every day to make us the leader in safety and one of the Top 10 aggregate producers in the country. As a general contractor and aggregate supplier, we are interested in building things that last – including careers and relationships. Please check out our site and let us know if you’d like to be part of our team. Knife River by the Numbers: • Construction Materials and Contracting Company • Top 10 U.S. Aggregate Producer • 1.1 Billion Tons of Aggregate Reserves • 5,700+ Team Members at peak season • 14 States