NLRB Stats Archive › Annual Reports › FY1948 › Collective-bargaining elections — by industrial group
Collective-bargaining elections — by industrial group
| Industrial group | Elections | Elections | Winner — A.F. of L. | Winner — A.F. of L. | Winner — C.I.O. | Winner — C.I.O. | Winner — Unaffiliated | Winner — Unaffiliated | Winner — No union | Winner — No union | Eligible voters | Eligible voters | Valid votes cast | Valid votes cast |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | Number | Percent | Number | Percent | Number | Percent | Number | Percent | Number | Percent | Number | Percent | |
| Mining | 51 | 1.6 | 12 | 23.5 | 15 | 29.4 | 8 | 15.7 | 16 | 31.4 | 4,637 | 1.2 | 4,200 | 1.2 |
| Mining — Metal mining | 14 | 0.4 | 8 | 57.1 | 4 | 28.6 | 0 | 0 | 2 | 14.3 | ||||
| Mining — Coal mining | 18 | 0.5 | 1 | 5.6 | 4 | 22.2 | 7 | 38.9 | 6 | 33.3 | ||||
| Construction | 17 | 0.5 | 12 | 70.6 | 0 | 0 | 1 | 5.9 | 4 | 23.5 | ||||
| Wholesale trade | 222 | 7.2 | 105 | 47.3 | 8 | 3.6 | 36 | 16.2 | 73 | 32.9 | 6,919 | 1.8 | 6,510 | 1.9 |
| Retail trade | 195 | 6 | 91 | 46.7 | 5 | 2.6 | 25 | 12.8 | 74 | 37.9 | 14,033 | 3.6 | 13,011 | 3.9 |
| Finance, insurance, and real estate | 22 | 0.7 | 4 | 18.2 | 5 | 22.7 | 1 | 4.5 | 12 | 54.6 | 2,112 | 0.6 | 1,946 | 0.6 |
| Transportation, communication, and other public utilities | 288 | 8.9 | 137 | 47.6 | 22 | 7.6 | 37 | 12.9 | 72 | 25 | 42,380 | 11.1 | 35,235 | 10.6 |
| Transportation — Highway freight transportation | 81 | 2.5 | 65 | 80.2 | 0 | 0 | 4 | 4.9 | 12 | 14.8 | ||||
| Transportation — Communications | 88 | 2.7 | 22 | 25 | 13 | 14.8 | 13 | 14.8 | 22 | 25 | 16,041 | 4.2 | 13,898 | 4.2 |
| Services | 106 | 3.3 | 59 | 27.4 | 9 | 4.2 | 47 | 21.9 | 71 | 33 | 4,938 | 1.3 | 4,357 | 1.3 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.