R. J. Marshall Co. Email Format
Plastics ManufacturingMichigan, United States51-200 Employees
R. J. Marshall Co. is a plastics manufacturing company focused on producing and marketing finely divided minerals for solid surface products and flame-retarded plastics. Its product portfolio includes multiple sizes and grades of aluminum trihydrate (ATH) along with other anti-fire additives and related materials, as well as fibers and abrasives, targeting PVC and other plastic applications. The firm operates grinding facilities across Michigan, Ohio, Alabama, and California, supporting its supply of flame retardants and mineral additives. Based in Southfield, Michigan, the company serves customers requiring mineral additives and fire-suppressing solutions for plastics, helping enhance product performance and safety. A notable recent development is the appointment of a new president, effective January 2023, indicating leadership changes within the company.