Union workers marched through downtown Chicago on Monday night in support of full-time jobs and higher wages.
The workers, members of the United Electrical, Radio and Machine Workers of America, gathered at the headquarters of GE Transportation, at 500 W. Monroe, before marching toward the Walmart Express down the street.
"You can't spell greed without GE," the protestors chanted at one point.
At Walmart, members said they had a letter to deliver to corporate managers that demands living wages for warehouse workers.
"It talks about respect for the workers. It talks about overtime for the workers as well," a protest leader said.