Quality Certification

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Quality Certification

Whether our rings are used for your own equipment and machinery, or for products you sell to your customers, we essentially become an extension of your company. That is something we take great pride in. Grover’s Milwaukee, Wisconsin manufacturing facility is one of a select group of companies worldwide that is ISO 9001:2008 certified.

We are unique in the industrial piston ring marketplace with those quality certifications. Grover customers benefit from a high-performance management system based on these high-quality systems as well as extensive use of lean manufacturing principles that deliver consistently high levels of customer satisfaction. In customer satisfaction surveys conducted by an unbiased third party for the past 15 years, Grover was rated ahead of it competition in all areas.

With robust quality systems, Grover has a time-tested reputation in the marketplace as a precision manufacturer and a key supplier to some of the largest names in the industry. We think that says a lot about our commitment to maintaining the highest quality standards.