nj sIGN COMPANY, Advertising Unlimited HAS BEEN in business since 1984.  owner Jeff O’Donnell has been carrying on a proud THIRD GENERATION Sign MakING and Decorating tradition since 1924 when James O’Donnell operated his shop in Newark, NJ.  Currently utilizing State-of-the-Art sign making Equipment and Materials, Jeff O’Donnell and his crew integrate old world craftmanship & OUTSTANDING DESIGN utilizing top notch materials and finishes.