The R.J. Marshall Company Email Format

Chemical ManufacturingMichigan, United States11-50 Employees

The R.J. Marshall Company is a chemical manufacturing firm located in Southfield, Michigan, founded in May 1978 by Richard J. and Joan E. Marshall. It started as a manufacturer’s representative for commodity industrial raw materials, but evolved to deliver materials with more consistent properties across batches. This commitment to uniform quality has continued to define the company’s approach. The organization serves the cast polymer and composites markets as well as the wire and cable sector, and operates through its Marshall Additive Technologies division and its Marshall Gruber Company subsidiary. 

Daniel J. Mahlmeister became president effective January 1, 2023, reflecting a leadership transition. The firm is a small to mid-sized operation focused on serving manufacturers with materials solutions centered on consistency and performance.

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