TSI, also known as Trinkle Sales, is a one of the leading manufacturers representative firms in the United States. The company serves more than 2,000 customers in an area of over 90,000 square miles. It represents manufacturers in Pennsylvania, New Jersey, Delaware, Maryland, Virginia and New York. The company maintains a nearly 3,700 square feet of office space. It has a conference room for customer seminars and training programs. The company serves customers in the electronic industry throughout the Middle Atlantic States. TSI represents OSRAM GmbH, Mega Electronics, SolaHD, Thermshield and ABLE Systems Limited.