Welcome to RSS, a part of The Dupps Company

From it's headquarters and plant in suburban Atlanta, RSS manufactures Harmonite®, a unique multifunctional, versatile powder that can be used as an economical base compound for building new product formulations, and enhance the performance and economy of existing ones.

Developed through the Dupps Company's high-temperature processing and mechanical reduction expertise, RSS uses a patented process to produce Harmonite from recycled asphalt roofing shingles.

The Dupps Company — The Tools to Build A Sustainable World

For eighty years, the Dupps Company has been the worldwide leader in providing high-quality rendering equipment and service to the protein recycling industry. Today, we're expanding our role — applying our capability and experience to include process systems and service to industries that are key to the sustainability of our environment and our world.

  • Dupps Capabilities Video

The Dupps Philosophy in Practice

Mission To provide superior quality products, solutions and services to the recycling industry, while maintaining the highest level of integrity with our valued employees, customers and community.

Vision The Dupps Company will be recognized as a global leader creating innovative process solutions by advancing our technology and capabilities for existing and emerging markets.


part of the dupps company