NLRB Stats Archive › Annual Reports › FY1979 › Industrial distribution of cases received
| All cases | Unfair labor practice cases — All C cases | Unfair labor practice cases — CA | Unfair labor practice cases — CB | Unfair labor practice cases — CC | Unfair labor practice cases — CD | Unfair labor practice cases — CE | Unfair labor practice cases — CG | Unfair labor practice cases — CP | Representation cases — All R cases | Representation cases — RC | Representation cases — RM | Representation cases — RD | Union deauthorization cases (UD) | Amendment of certification cases (AC) | Unit clarification cases (UC) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Food and kindred products | 2,461 | 1,765 | 1,267 | 447 | 31 | 8 | 1 | 0 | 11 | 655 | 543 | 33 | 79 | 17 | 10 | 14 |
| Tobacco manufacturers | 19 | 9 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 9 | 0 | 1 | 0 | 0 | 0 |
| Textile mill products | 596 | 488 | 327 | 96 | 5 | 6 | 0 | 0 | 8 | 105 | 95 | 8 | 5 | 0 | 0 | 1 |
| Apparel and other finished products made from fabrics and similar materials | 708 | 554 | 431 | 109 | 5 | 4 | 0 | 0 | 9 | 152 | 127 | 10 | 15 | 2 | 0 | 1 |
| Lumber and wood products except furniture | 731 | 479 | 384 | 77 | 13 | 1 | 2 | 0 | 2 | 240 | 197 | 24 | 19 | 4 | 7 | 5 |
| Furniture and fixtures | 651 | 491 | 403 | 84 | 0 | 1 | 0 | 0 | 3 | 152 | 122 | 11 | 19 | 6 | 1 | 1 |
| Paper and allied products | 631 | 327 | 264 | 47 | 6 | 8 | 0 | 0 | 2 | 162 | 132 | 27 | 27 | 3 | 5 | 9 |
| Printing, publishing, and allied industries | 1,346 | 921 | 688 | 203 | 18 | 11 | 0 | 0 | 0 | 394 | 350 | 19 | 25 | 1 | 5 | 21 |
| Chemicals and allied products | 1,168 | 840 | 612 | 176 | 38 | 8 | 0 | 0 | 6 | 312 | 286 | 7 | 19 | 0 | 1 | 15 |
| Petroleum refining and related industries | 329 | 226 | 163 | 44 | 11 | 4 | 3 | 0 | 1 | 96 | 73 | 3 | 20 | 1 | 1 | 6 |
| Rubber and miscellaneous plastic products | 1,026 | 746 | 580 | 125 | 12 | 0 | 4 | 0 | 1 | 257 | 219 | 7 | 31 | 1 | 4 | 18 |
| Leather and leather products | 278 | 212 | 168 | 44 | 0 | 0 | 0 | 0 | 0 | 60 | 51 | 1 | 8 | 0 | 0 | 6 |
| Stone, clay, glass, and concrete products | 1,182 | 880 | 612 | 205 | 35 | 6 | 7 | 0 | 12 | 289 | 230 | 13 | 35 | 4 | 5 | 4 |
| Primary metal industries | 1,096 | 716 | 553 | 132 | 16 | 1 | 1 | 0 | 13 | 313 | 270 | 5 | 35 | 3 | 1 | 32 |
| Fabricated metal products (except machinery and transportation equipment) | 2,198 | 1,547 | 1,198 | 294 | 34 | 13 | 0 | 0 | 8 | 521 | 441 | 25 | 55 | 13 | 6 | 12 |
| Machinery (except electrical) | 2,089 | 1,366 | 1,138 | 211 | 12 | 4 | 0 | 0 | 1 | 567 | 482 | 24 | 55 | 6 | 9 | 12 |
| Electrical and electronic machinery, equipment, and supplies | 1,743 | 1,332 | 1,029 | 289 | 9 | 3 | 0 | 0 | 2 | 380 | 305 | 6 | 56 | 6 | 5 | 8 |
| Aircraft and parts | 354 | 286 | 196 | 87 | 1 | 0 | 0 | 0 | 2 | 32 | 27 | 1 | 4 | 0 | 0 | 1 |
| Ship and boat building and repairing | 875 | 624 | 545 | 66 | 0 | 1 | 0 | 0 | 12 | 246 | 195 | 19 | 15 | 0 | 0 | 5 |
| Automotive and other transportation equipment | 1,022 | 1,408 | 954 | 426 | 21 | 4 | 0 | 0 | 3 | 205 | 172 | 4 | 29 | 1 | 7 | 14 |
| Measuring, analyzing, and controlling instruments, photographic, medical and optical goods, watches and clocks | 380 | 273 | 215 | 51 | 4 | 0 | 0 | 0 | 0 | 101 | 82 | 1 | 16 | 1 | 0 | 2 |
| Miscellaneous manufacturing industries | 1,931 | 1,577 | 929 | 561 | 64 | 12 | 0 | 0 | 12 | 350 | 313 | 5 | 28 | 1 | 0 | 1 |
| Manufacturing (subtotal) | 24,008 | 16,497 | 13,454 | 4,374 | 475 | 94 | 21 | 0 | 89 | 5,297 | 4,895 | 215 | 687 | 126 | 31 | 145 |
| Metal mining | 107 | 90 | 72 | 13 | 4 | 0 | 0 | 0 | 0 | 16 | 13 | 0 | 1 | 0 | 0 | 1 |
| Coal mining | 426 | 351 | 276 | 60 | 9 | 4 | 0 | 0 | 1 | 71 | 61 | 0 | 6 | 0 | 0 | 4 |
| Oil and gas extraction | 72 | 49 | 45 | 4 | 0 | 0 | 0 | 0 | 0 | 19 | 13 | 0 | 5 | 0 | 1 | 3 |
| Mining and quarrying of nonmetallic minerals (except fuels) | 135 | 87 | 65 | 12 | 7 | 0 | 0 | 0 | 0 | 47 | 38 | 0 | 6 | 1 | 0 | 0 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.