Four-Square Services Four-Square Services provides advice and assistance to business and industry, primarily in the areas of operations analysis, productivity improvement, innovative process development, waste reduction, and energy conservation. In-house expertise is derived from more than thirty years experience in research and manufacturing and is supported by education in science, engineering, and management. Depending upon the client’s needs, an appropriate project team may be assembled for the task. To discuss our services and your needs, please contact: Dr. James L. Clark Four-Square Services Suite B-310 19706 One Norman Blvd. Cornelius, NC 28031 (704) 728-7258 (888) 552-7837 (fax)