NLRB Stats Archive › Annual Reports › FY1955 › Unfair labor practice and representation cases received — by industry
Unfair labor practice and representation cases received — by industry
| Industrial group | All cases | Unfair labor practice cases — CA | Unfair labor practice cases — CB | Unfair labor practice cases — CC | Unfair labor practice cases — CD | Representation cases — RC | Representation cases — RM | Representation cases — RD |
|---|---|---|---|---|---|---|---|---|
| Total | 13,336 | 4,362 | 1,382 | 345 | 82 | 6,160 | 545 | 460 |
| Manufacturing | 8,287 | 2,755 | 513 | 111 | 17 | 4,243 | 313 | 335 |
| Ordnance and accessories | 45 | 16 | 2 | 0 | 0 | 18 | 1 | 8 |
| Food and kindred products | 1,034 | 303 | 68 | 23 | 3 | 550 | 41 | 46 |
| Textile-mill products | 280 | 124 | 9 | 14 | 2 | 117 | 13 | 10 |
| Apparel and other finished products made from fabrics and similar materials | 357 | 180 | 35 | 5 | 0 | 103 | 24 | 10 |
| Lumber and wood products (except furniture) | 731 | 440 | 11 | 10 | 0 | 195 | 40 | 35 |
| Furniture and fixtures | 319 | 99 | 18 | 10 | 1 | 174 | 9 | 8 |
| Paper and allied products | 324 | 63 | 9 | 4 | 0 | 236 | 5 | 7 |
| Printing, publishing, and allied industries | 279 | 72 | 37 | 15 | 2 | 187 | 8 | 8 |
| Chemicals and allied products | 531 | 121 | 31 | 4 | 2 | 316 | 22 | 35 |
| Products of petroleum and coal | 146 | 33 | 12 | 2 | 0 | 87 | 6 | 6 |
| Rubber products | 92 | 31 | 7 | 2 | 0 | 48 | 3 | 3 |
| Leather and leather products | 195 | 54 | 9 | 9 | 0 | 112 | 13 | 1 |
| Stone, clay, and glass products | 261 | 84 | 27 | 6 | 2 | 129 | 7 | 6 |
| Primary metal industries | 488 | 133 | 36 | 3 | 0 | 270 | 20 | 26 |
| Fabricated metal products (except ordnance, machinery, and transportation equipment) | 802 | 242 | 44 | 15 | 1 | 454 | 22 | 24 |
| Machinery (except electrical) | 794 | 241 | 48 | 11 | 4 | 433 | 21 | 36 |
| Electrical machinery, equipment, and supplies | 534 | 192 | 39 | 3 | 0 | 266 | 13 | 21 |
| Aircraft and parts | 210 | 61 | 9 | 0 | 1 | 120 | 7 | 12 |
| Agriculture, forestry, and fisheries | 9 | 4 | 0 | 0 | 2 | 2 | 0 | 1 |
| Mining | 184 | 73 | 28 | 3 | 0 | 73 | 3 | 4 |
| Construction | 1,082 | 413 | 363 | 116 | 44 | 138 | 13 | 0 |
| Wholesale trade | 922 | 228 | 55 | 28 | 1 | 481 | 88 | 41 |
| Retail trade | 872 | 242 | 53 | 39 | 22 | 458 | 48 | 29 |
| Finance, insurance, and real estate | 46 | 15 | 0 | 0 | 0 | 28 | 2 | 1 |
| Transportation, communication, and other public utilities | 1,645 | 552 | 358 | 56 | 16 | 563 | 68 | 32 |
| Services | 289 | 80 | 26 | 7 | 0 | 149 | 10 | 17 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.