Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE won the endorsement of a major infrastructure union Monday as her campaign continues to consolidate labor support.

The International Association of Bridge, Structural, Ornamental, and Reinforcing Ironworkers union, which touts almost 11 million members in 14 smaller union groups, backed her with a unanimous vote. A release from the organization praised her "unmatched experience in government [that] will enable her to deliver on her promises in ways the other candidates cannot."

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Clinton responded to the endorsement with a statement of her own that noted that "The Ironworkers have helped build the mighty American middle class for decades — oftentimes literally, creating good-paying jobs and careers with every bridge and building they work on."

"I have always stood with organized labor, and I will be proud to stand with the Ironworkers as President," she added in a statement.