A representative of the Newt Gingrich Super PAC blamed the loss of manufacturing jobs on Romney's style of doing business.
But organizers want to send at least 720,277 names to the state as a show of strength and to provide a cushion should officials disallow some of the signatures.
Just weeks into the campaign, United Wisconsin announced that 507,533 people have signed a recall petition.
GOP presidential candidate Rick Santorum has set his sights on a new target: struggling African-Americans.
For all the fights between the candidates, on basic economic issues the two frontrunners are essentially united.
"I really feel he didn't care about the workers. It was all about profit before people," said Randy Johnson who worked in Marion, Indiana at American Pad and Paper Co. in the 1990's.
Congress finally passed a two-month extension of long-term unemployment benefits and a Social Security payroll tax cut for workers.
The nation's jobless, aided by the Communications Workers, the Service Employees and other unions, brought their plight directly to Congress this week.
After just two weeks, over 300,000 signatures have been collected for Scott Walker's recall. So far, collection totals average 1,040 signatures an hour and have far exceeded even the most optimistic expectations.
The measure, H.R. 3094, would deny workers the right to fair union elections by blocking changes proposed by the National Labor Relations Board.