Strong's Supreme Service Inc. (3Si) 3Si is an international management consulting firm that specializes in helping its clients achieve an competitive advantage by creating a culture that consistently satisfies its customers. We offer a full range of services and training that are necessary to transform all levels of the organization to achieve and sustain this advantage. Chairman/CEO, Dennis Strong, CMC, has over 50 years , helped a variety of clients establish standards that are aligned with their goals and objectives, while providing the training and support necessary to meet and sustain the new performance levels. We have developed a reliable step-by-step process; Organization Renewal, that enables us to effectively guide our clients to improved performance and an invigorated environment. Client engagements centered primarily on establishing cultures of service excellence with the organizations. Other areas of accountability including developing and ensuring the integrity of the Supreme Service brand, human resource development and overall management of the business. Our services are delivered through a global network of management consultants whose specialties encompass the breadth of functional areas. Each of our associates is certified and accredited to the highest global standards.