NLRB Stats Archive › Annual Reports › FY1950 › Cases received — by industry and case type
Cases received — by industry and case type
| 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 | Union-shop authorization cases |
|---|---|---|---|---|---|---|---|---|---|
| Total | 21,632 | 4,472 | 996 | 275 | 66 | 8,206 | 699 | 374 | 6,544 |
| Manufacturing | 13,498 | 2,760 | 417 | 95 | 12 | 5,188 | 497 | 265 | 4,263 |
| Ordnance and accessories | 30 | 5 | 11 | 1 | 1 | 12 | |||
| Food and kindred products | 2,383 | 359 | 93 | 39 | 5 | 884 | 62 | 29 | 859 |
| Tobacco manufactures | 38 | 8 | 1 | 23 | 0 | 6 | |||
| Textile-mill products | 365 | 170 | 18 | 2 | 180 | 19 | 17 | 158 | |
| Apparel and other finished products made from fabrics and similar materials | 620 | 225 | 35 | 9 | 1 | 170 | 24 | 9 | 146 |
| Lumber and wood products | 680 | 145 | 14 | 7 | 1 | 253 | 13 | 18 | 235 |
| Furniture and fixtures | 571 | 124 | 18 | 4 | 0 | 184 | 12 | 16 | 203 |
| Paper and allied products | 385 | 62 | 13 | 0 | 0 | 164 | 12 | 8 | 126 |
| Printing, publishing, and allied industries | 634 | 127 | 31 | 6 | 0 | 244 | 7 | 10 | 209 |
| Chemicals and allied products | 640 | 107 | 12 | 2 | 1 | 289 | 30 | 12 | 187 |
| Products of petroleum and coal | 250 | 70 | 10 | 8 | 0 | 108 | 12 | 7 | 42 |
| Rubber products | 144 | 49 | 5 | 0 | 0 | 64 | 1 | 3 | 31 |
| Leather and leather products | 207 | 79 | 12 | 1 | 0 | 100 | 6 | 1 | 108 |
| Stone, clay, and glass products | 624 | 107 | 14 | 7 | 1 | 218 | 7 | 17 | 263 |
| Primary metal industries | 792 | 131 | 16 | 9 | 1 | 302 | 8 | 9 | 200 |
| Fabricated metal products (except machinery and transportation equipment) | 1,187 | 212 | 32 | 5 | 0 | 502 | 25 | 17 | 393 |
| Machinery (except electrical) | 1,238 | 251 | 27 | 2 | 0 | 487 | 37 | 30 | 404 |
| Electrical machinery, equipment, and supplies | 926 | 139 | 12 | 2 | 0 | 392 | 194 | 16 | 171 |
| Transportation equipment | 608 | 110 | 18 | 3 | 0 | 268 | 7 | 22 | 180 |
| Aircraft and parts | 103 | 24 | 5 | 0 | 0 | 44 | 2 | 2 | 26 |
| Ship and boat building and repairing | 124 | 12 | 6 | 1 | 0 | 103 | 1 | 3 | 23 |
| Automotive and other transportation equipment | 381 | 74 | 7 | 2 | 0 | 121 | 4 | 17 | 126 |
| Professional, scientific, and controlling instruments | 222 | 32 | 4 | 0 | 0 | 100 | 7 | 8 | 71 |
| Miscellaneous manufacturing | 668 | 201 | 25 | 4 | 0 | 238 | 28 | 9 | 169 |
| Agriculture, forestry, and fisheries | 8 | 3 | 0 | 1 | 0 | 2 | 0 | 0 | 2 |
| Mining | 245 | 63 | 48 | 4 | 0 | 75 | 6 | 8 | 41 |
| Metal mining | 39 | 7 | 2 | 1 | 0 | 15 | 0 | 1 | 12 |
| Coal mining | 89 | 30 | 42 | 3 | 0 | 7 | 0 | 3 | 4 |
| Crude petroleum and natural gas production | 17 | 7 | 0 | 0 | 0 | 6 | 0 | 3 | 1 |
| Nonmetallic mining and quarrying | 100 | 19 | 4 | 0 | 0 | 47 | 6 | 0 | 24 |
| Construction | 774 | 247 | 226 | 48 | 37 | 138 | 3 | 1 | 64 |
| Wholesale trade | 1,585 | 268 | 34 | 20 | 5 | 847 | 52 | 31 | 603 |
| Retail trade | 2,170 | 400 | 79 | 26 | 1 | 937 | 75 | 23 | 623 |
| Finance, insurance, and real estate | 105 | 39 | 3 | 0 | 0 | 37 | 4 | 1 | 21 |
| Transportation, communication, and other public utilities | 2,217 | 479 | 119 | 59 | 9 | 744 | 54 | 39 | 714 |
| Highway passenger transportation | 292 | 78 | 14 | 0 | 0 | 139 | 20 | 2 | 39 |
| Highway freight transportation | 680 | 108 | 42 | 37 | 1 | 197 | 21 | 3 | 272 |
| Water transportation | 238 | 70 | 40 | 14 | 3 | 65 | 7 | 3 | 36 |
| Warehousing and storage | 200 | 27 | 11 | 7 | 2 | 90 | 5 | 5 | 102 |
| Other transportation | 55 | 20 | 2 | 1 | 0 | 21 | 1 | 2 | 22 |
| Communication | 459 | 137 | 7 | 1 | 1 | 151 | 10 | 8 | 144 |
| Heat, light, power, water, and sanitary services | 233 | 39 | 3 | 1 | 1 | 91 | 3 | 14 | 81 |
| Services | 729 | 187 | 60 | 15 | 4 | 238 | 6 | 5 | 213 |
Source image
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.