The company has subsidiaries in Singapore, Canada, China, France, Germany, Japan, the U.K., and Australia, and distributors in South America, Australia, and other countries in Europe and Asia. Its headquarters are in Ipswich, MA. Development of the current headquarters began in 2000, and was completed in 2005. Donald Comb served as the company's Chairman and CEO from the company's founding in 1974, until 2005. In 2005, he was replaced as chief executive by James Ellard, though Comb continued to serve as Chairman of the Board of Directors. In October 2020 Comb passed away at the age of 93. NEB employs over 450 people at its headquarters. As company policy, all scientists and some executives must work at least one day per month on the customer support telephone line, answering technical support questions about the company's products. In 2022 Jim Ellard stepped down as CEO, but remained chairman of the board of directors, he was succeeded by Salvatore (Sal) Russello, previously NEB's director of OEM & customized solutions.
