NLRB Stats Archive › Annual Reports › FY1942 › Elections and pay-roll checks and valid votes cast — by industry
| Industrial group | Elections and pay-roll checks | Elections and pay-roll checks | Valid votes cast | Valid votes cast | Winner | Winner | Winner | Winner | Winner | Winner | Winner | Winner |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Industrial group | Elections and pay-roll checks | Elections and pay-roll checks | Valid votes cast | Valid votes cast | A. F. of L. | A. F. of L. | C. I. O. | C. I. O. | Unaffiliated | Unaffiliated | No union | No union |
| Industrial group | Number | Percent | Number | Percent | Number | Percent | Number | Percent | Number | Percent | Number | Percent |
| Mining | 123 | 2.9 | 20,396 | 1.9 | 29 | 23.6 | 66 | 53.7 | 11 | 8.9 | 17 | 13.8 |
| Transportation, communication, and other public utilities | 344 | 8.2 | 41,814 | 3.9 | 199 | 57.9 | 72 | 20.9 | 34 | 9.9 | 39 | 11.3 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.