NLRB Stats Archive › Annual Reports › FY1949 › Cases received — by industrial group
Cases received — by industrial group
| 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 | 25,874 | 4,154 | 820 | 268 | 72 | 7,521 | 479 | 370 | 12,190 |
| Manufacturing — total | 15,482 | 2,441 | 312 | 89 | 25 | 4,729 | 224 | 258 | 7,304 |
| Manufacturing — Food and kindred products | 3,392 | 411 | 48 | 17 | 2 | 833 | 42 | 45 | 1,997 |
| Manufacturing — Tobacco manufactures | 42 | 9 | 0 | 0 | 0 | 13 | 3 | 1 | 16 |
| Manufacturing — Textile-mill products | 623 | 158 | 14 | 3 | 0 | 188 | 14 | 15 | 231 |
| Manufacturing — Apparel and other finished products made from fabrics and similar materials | 556 | 155 | 27 | 8 | 0 | 148 | 13 | 10 | 195 |
| Manufacturing — Lumber and wood products | 1,025 | 162 | 11 | 10 | 8 | 323 | 17 | 10 | 484 |
| Manufacturing — Furniture and fixtures | 589 | 146 | 15 | 5 | 0 | 154 | 14 | 12 | 243 |
| Manufacturing — Paper and allied products | 601 | 76 | 5 | 2 | 1 | 200 | 8 | 6 | 303 |
| Manufacturing — Printing, publishing, and allied industries | 1,007 | 116 | 27 | 8 | 2 | 220 | 11 | 5 | 623 |
| Manufacturing — Chemicals and allied products | 785 | 113 | 15 | 5 | 1 | 307 | 15 | 19 | 326 |
| Manufacturing — Products of petroleum and coal | 317 | 92 | 7 | 4 | 2 | 85 | 12 | 9 | 106 |
| Manufacturing — Rubber products | 128 | 28 | 2 | 0 | 0 | 47 | 1 | 1 | 49 |
| Manufacturing — Leather and leather products | 380 | 59 | 19 | 3 | 0 | 95 | 3 | 2 | 199 |
| Manufacturing — Stone, clay, and glass products | 604 | 72 | 6 | 1 | 0 | 179 | 12 | 14 | 320 |
| Manufacturing — Primary metal industries | 728 | 94 | 14 | 1 | 1 | 263 | 5 | 12 | 338 |
| Manufacturing — Fabricated metal industries (except machinery and transportation equipment) | 1,190 | 149 | 17 | 5 | 3 | 411 | 18 | 19 | 568 |
| Manufacturing — Machinery (except electrical) | 1,435 | 215 | 26 | 10 | 3 | 481 | 19 | 24 | 653 |
| Manufacturing — Electrical machinery, equipment, and supplies | 536 | 94 | 10 | 1 | 0 | 217 | 17 | 12 | 185 |
| Manufacturing — Transportation equipment — total | 718 | 126 | 30 | 10 | 2 | 256 | 8 | 17 | 269 |
| Manufacturing — Transp eq — Aircraft and parts | 123 | 22 | 3 | 1 | 1 | 34 | 1 | 2 | 59 |
| Manufacturing — Transp eq — Ship and boat building and repairing | 154 | 19 | 13 | 1 | 0 | 40 | 4 | 5 | 61 |
| Manufacturing — Transp eq — Automotive and other transportation equipment | 441 | 85 | 14 | 8 | 0 | 162 | 3 | 10 | 157 |
| Manufacturing — Professional, scientific, and controlling instruments | 181 | 24 | 0 | 0 | 0 | 86 | 0 | 3 | 68 |
| Manufacturing — Miscellaneous manufacturing | 645 | 142 | 16 | 7 | 0 | 212 | 12 | 7 | 249 |
| Agriculture, forestry, and fisheries | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Mining — total | 228 | 49 | 12 | 9 | 0 | 77 | 11 | 5 | 65 |
| Construction | 808 | 202 | 144 | 72 | 38 | 138 | 13 | 0 | 201 |
| Wholesale trade | 2,397 | 258 | 48 | 26 | 1 | 637 | 32 | 28 | 1,367 |
| Retail trade | 2,607 | 345 | 74 | 22 | 0 | 638 | 90 | 23 | 1,395 |
| Finance, insurance, and real estate | 437 | 245 | 4 | 0 | 0 | 112 | 4 | 2 | 60 |
| Transportation, communication, and other public utilities — total | 2,915 | 432 | 140 | 37 | 9 | 713 | 70 | 40 | 1,474 |
| Service | 946 | 181 | 80 | 4 | 1 | 259 | 31 | 9 | 381 |
Source image
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.