PM is a family-run company specializing in the design of precision linear bearings, linear slides and rotating bearings. It develops highly accurate positioning systems designed which are designed to customer specifications.

PM has been in business since 1966 when it opened its doors as a manufacturer of crossed roller linear bearings. Over the course of the following decades, PM has gradually increased its portfolio size and continues to do so. Customized positioning systems are a main part of the business today.

Products that PM offers today are linear bearings for limited stroke lengths such as linear cross roller bearings / linear cross roller guides, ball guides, and needle roller linear bearings. Also, they offer frictionless slides, low-profile slides, and 3 different types of miniature slides. These are ball miniature slide type PMM, cross roller miniature slide type PMM, and cross roller miniature slides with ant-cage creep mechanism type MSR.