Verizon has been given until Wednesday of this week to resolve a contract dispute with its employees or they will strike. The International Brotherhood of Electrical Workers and the Communications Workers of America, which represent approximately 39,000 Verizon employees, have been without a contract since their previous one expired on August 1st, 2015. Most of these unionized workers are assigned to the company's landline division, which has experienced job cuts as a result of falling profitability.
See "Verizon Unions Plan Strike if Demands Aren't Met by Wednesday", Scott Moritz, Bloomberg, April 11, 2016