Robertson Worldwide, previously known as Robertson Transformer Company, is the largest manufacturer of compact fluorescent and specialty ballasts in North America. In addition to the general lighting market, Robertson offers a complete line of electronic and electromagnetic products for a myriad of applications that include germicidal ultraviolet, medical equipment, aquariums, home appliances, gaming and vending machines. Robert Irwin Robertson founded the company in 1948 under the name of Palos Products Company. Robertson Worldwide currently has 70,000 square feet of manufacturing, warehousing and office facilities in Blue Island, Ill. The company has sales offices throughout the United States and Canada. Robertson also has manufacturing facilities in China.