I did find a newspaper article dated Oct. 2, 1963 that confirms Nye being sold to Symington Wayne. It also notes Symington Wayne as a Salisbury, Md. company - unlike previous mentions of a Fort Wayne company buying them out. It dates the companies start to 1903.
article text:
NYE Tool Co. Purchased by Eastern Firm
The acquisition of Nye Tool company, 60-year-old manufacturer of pipe tools and pipe threading equipment, was announced yesterday by Symington Wayne corporation, Salisbury, Md. Nye has a 40,000 square foot plant at 4120 Fullerton Ave. It was a cash transaction. W. H. Bateman, Symington Wayne president, said the addition of Nye will round out the company's hand tool division product lines.