Last month the Obama administration issued some of the most pro-worker rules the country has seen in 35 years, covering union elections, hours of work and wages, among other things.
The Service Employees became the third big union - and the second within Change To Win - to endorse Democratic President Barack Obama for re-election.
"You put out a different kind of fire," Solis said, referring to the key role firefighters played in the campaign.
National labor leaders are telling GOP lawmakers to stop playing partsian games on the question of jobs and that come Nov., 2012, Republicans will be next on the unemployment lines.
Unionists face uphill odds in battling against so-called U.S. "free trade" pacts with South Korea, Panama and Colombia.
The labor-backed Alliance for Retired Americans is gearing up for a tough battle - getting non-union retirees to vote for Barack Obama in 2012.
With a Republican governor and Republican-controlled legislature, Labor Day Mobilization Luncheon took on special significance.
Organized labor welcomed the Obama administration's first move against rampant labor rights violations in Guatemala.
Labor leaders met for more than an hour with President Obama on Tuesday, urging him to focus on jobs for the remainder of his first term.
Labor leaders say the nation's real crisis is not a debt crisis but an unemployment crisis and spending cuts could, in fact, spiral the country into an even deeper recession.