Thomas Nelson publisher是哪国的出版社啊

Thomas Nelson is a publishing firm that began in Scotland in 1798 as the namesake of its founder. Its former United States division is currently the sixth largest American trade publisher and the world's largest Christian publisher. It is owned by the private equity firm Kohlberg & Company. HarperCollins announced its acquisition of Thomas Nelson in 2011.[1]
In Canada, the Nelson imprint is used for educational publishing by Cengage Learning. In the United Kingdom, it was a mainstream publisher until the late 20th Century and is now part of another educational imprint, Nelson Thornes.