The strike involved approximately 400 members of the United Steelworkers Local 200, over alleged unfair labor practices by Constellium, a multinational producer of aluminum products who operate a manufacturing plant.
As part of the acquisition, Constellium gained ownership of an aluminum sheet metal manufacturing plant in Muscle Shoals, Alabama.
The plant primarily produces sheet metal for use in drink cans and has contracts with several major companies, including Budweiser.
[2][3] A previous labor strike against Constellium involved 700 workers and took place at an aluminum plant in Ravenswood, West Virginia in 2012.
[3] USW President Tom Conway stated that the strike would continue until Constellium "comes to their senses" and, speaking about concessions requested by the company, said "there's no need for what they're asking for.