630 - Labor Force Violations [Excel 28K] | [PDF 452K]
641 - Work Stoppages [Excel 43k] | [PDF 466k]
642 - Labor Union Membership by Sector [Excel 41k] | [PDF 466k]
643 - Union Members by Selected Characteristics: 2007 [Excel 74k] | [PDF 466k]
644 - Labor Union Membership by State [Excel 149k] | [PDF 466k]