Because of this expansion many additional employees were added in most areas of the company’s operations. This increased staff required more first-level supervisors, and these people were largely promoted from the existing work force. In most instances the supervisors were chosen because they were efficient and dependable workers who knew their jobs well. The rapid growth of the company caused much overtime work, and many employees became used to the extra income this provided. Horton was a nonunion company and had a very good labour relations record.