At Calworth, we are a specialty chemical company proudly serving the asphalt industry with advanced, high-performance solutions. From premium antistrips to cutting-edge asphalt emulsifiers and industrial asphalt cleaners, we are dedicated to supplying the products and expertise that keep your operations running smoothly and efficiently.

Backed by over 100 years of combined specialty chemical experience, our team includes some of the most innovative and knowledgeable chemists in the industry. Our R&D professionals bring a legacy of success in chemical innovation, with a deep understanding of both traditional and emerging technologies within the asphalt sector.

We understand that no two projects are the same. That’s why Calworth not only offers a diverse portfolio of standard products, but also specializes in custom formulations and private-label manufacturing—tailored precisely to your specifications.

Our 250,000-square-foot production facility is equipped to handle a wide range of chemical processes, from complex multi-step reactions to high-volume blending and packaging, allowing us to deliver consistent, scalable results across every product line.

Calworth is built on a commitment to performance, partnership, and progress. Whether you need proven solutions or a partner to help you develop something new, we’re here to help you pave the way forward.