The Keystone Group | 5,204 followers on LinkedIn. Results-oriented management consulting firm serving mid-market manufacturing, distribution and business services clients | The Keystone Group is a results-oriented management consulting firm. Our small, experienced teams work with middle-market manufacturing, distribution, and business services clients to develop and execute strategic growth, improve operations, restructure finances, and integrate acquisitions. Our mission is to make a substantive difference in the companies we work with and the lives of the people that work for them.