NLRB Stats Archive › Annual Reports › FY1951 › Union-shop authorization polls
Union-shop authorization polls
| Industrial group | Number of polls | Winner — A.F. of L. affiliates | Winner — C.I.O. affiliates | Winner — Unaffiliated unions | Winner — No union | Eligible voters | Valid votes cast |
|---|---|---|---|---|---|---|---|
| Total | 5,964 | 2,012 | 1,976 | 721 | 205 | 1,623,375 | 1,335,683 |
| Manufacturing | 4,264 | 1,906 | 1,730 | 519 | 109 | 1,502,050 | 1,234,135 |
| Ordnance and accessories | 4 | 3 | 1 | 0 | 0 | 285 | 263 |
| Food and kindred products | 537 | 398 | 99 | 19 | 21 | 39,502 | 32,943 |
| Tobacco manufactures | 12 | 0 | 8 | 3 | 1 | 3,034 | 2,614 |
| Textile-mill products | 139 | 27 | 79 | 32 | 1 | 19,543 | 16,601 |
| Lumber and wood products | 162 | 53 | 85 | 21 | 3 | 55,735 | 49,930 |
| Furniture and fixtures | 137 | 75 | 38 | 21 | 3 | 14,678 | 12,909 |
| Paper and allied products | 82 | 62 | 13 | 1 | 6 | 8,909 | 8,653 |
| Printing, publishing, and allied industries | 190 | 119 | 55 | 10 | 3 | 9,617 | 7,943 |
| Chemicals and allied products | 170 | 102 | 42 | 20 | 5 | 16,896 | 13,605 |
| Products of petroleum and coal | 28 | 17 | 15 | 3 | 3 | 3,966 | 3,355 |
| Rubber products | 55 | 8 | 41 | 4 | 2 | 56,326 | 42,117 |
| Leather and leather products | 81 | 41 | 22 | 16 | 2 | 11,107 | 9,999 |
| Stone, clay, and glass products | 152 | 93 | 34 | 21 | 4 | 11,353 | 9,720 |
| Primary metal industries | 430 | 98 | 287 | 34 | 11 | 505,851 | 454,376 |
| Fabricated metal products except transportation equipment | 539 | 187 | 267 | 68 | 17 | 117,292 | 97,967 |
| Machinery (except electrical) | 545 | 140 | 284 | 110 | 11 | 138,568 | 116,547 |
| Electrical machinery, equipment, and supplies | 235 | 97 | 92 | 38 | 8 | 114,029 | 95,398 |
| Transportation equipment | 251 | 64 | 132 | 47 | 8 | 228,616 | 182,382 |
| Mining | 89 | 12 | 69 | 3 | 5 | 25,738 | 21,096 |
| Construction | 42 | 36 | 2 | 4 | 0 | 2,658 | 2,248 |
| Wholesale trade | 207 | 158 | 23 | 16 | 10 | 14,271 | 12,257 |
| Retail trade | 448 | 297 | 65 | 38 | 48 | 28,449 | 24,309 |
| Finance, insurance, and real estate | 28 | 27 | 0 | 0 | 1 | 3,062 | 2,980 |
| Transportation, communication, and other public utilities | 547 | 393 | 40 | 88 | 26 | 37,413 | 30,240 |
| Services | 139 | 93 | 11 | 29 | 6 | 9,734 | 8,318 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.