Started by industry veterans, Robert (Bob) McMasters and Martin (Marty) Koss in the Detroit Metro area in 1977 to distribute O-Rings and seals to automotive manufacturers.
A Dedication to excellent quality and meeting on time requirements established McMasters Koss Company as a trusted supplier to large manufacturers in North America and worldwide.
McMasters Koss Company implemented a formal quality system in 2000 and has completed our ISO 9001:2015 Quality System certification in 2016.
We have completed our 2021 surveillance review and will have a new certificate valid until February 2023.
McMasters Koss Employees are generally long term with average tenure of over 15 years. Team members know how to quickly address your needs and accomplish objectives.
McMasters Koss is classified as a essential business in 2020 and have steps in place to continue supporting our customers during the worldwide pandemic.
Please click here to review our Covid-19 Safety Measures.
With over 20 years experience supporting engineering groups across North America and worldwide, we offer full support to your production facilities.
Please reach out to us with any Sealing Solution or logistical challenge you may encounter.