JSG Named to Three Staffing Industry Analysts' Lists for 2020 News provided by Share this article Share this article WESTMONT, Ill., Jan. 12, 2021 /PRNewswire/ -- For the sixth consecutive year, Johnson Service Group has been named to three of Staffing Industry Analysts' (SIA) lists. This year, these lists include: Largest Staffing Firms in the U.S. (62 nd) th) th) (PRNewsfoto/Johnson Service Group, Inc.) This is a notable achievement for our company and speaks to our consistency over the years. "I commend each and every one of our employees for their dedication and hard work," said Dale Slater, Founder and CEO of JSG.