It's NEVER just one company when you're dealing with an industry this big. AT&T may have taken a bit longer to start the bloodletting but it's happening nonetheless.
https://static1.squarespace.com/static/54a33278e4b040ef97ce7130/t/5a340c2841920241eb5170ad/1513360427013/1QTR2018+SE+Surplus+Declaration_CWA+FINAL.pdf