NLRB Stats Archive › Annual Reports › FY1976 › Industrial distribution of cases received
Industrial distribution of cases received
| Industrial group | All cases | Unfair labor practice cases | Unfair labor practice cases | Unfair labor practice cases | Unfair labor practice cases | Unfair labor practice cases | Unfair labor practice cases | Unfair labor practice cases | Unfair labor practice cases | Representation cases | Representation cases | Representation cases | Representation cases | Union deauthorization cases | Amendment of certification cases | Unit clarification cases |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Industrial group | All cases | All C cases | CA | CB | CC | CD | CE | CG | CP | All R cases | RC | RM | RD | UD | AC | UC |
| Metal mining | 84 | 60 | 20 | 21 | 11 | 8 | 20 | 19 | 1 | |||||||
| Coal mining | 345 | 291 | 25 | 215 | 11 | 39 | 1 | 49 | 48 | 1 | 2 | |||||
| Oil and gas extraction | 37 | 22 | 16 | 6 | 12 | 9 | 3 | |||||||||
| Mining and quarrying of nonmetallic minerals (except fuels) | 158 | 115 | 78 | 29 | 5 | 3 | 37 | 33 | 3 | 1 | ||||||
| Mining | 624 | 488 | 349 | 90 | 30 | 11 | 1 | 127 | 111 | 5 | 8 | 3 | 1 | 6 | ||
| Construction | 4,331 | 3,855 | 1,569 | 1,061 | 842 | 224 | 12 | 42 | 151 | 433 | 316 | 37 | 3 | 11 | 13 | |
| Wholesale trade | 1,196 | 780 | 606 | 152 | 8 | 9 | 1 | 4 | 284 | 253 | 7 | 12 | 4 | |||
| Retail trade | 3,538 | 2,459 | 2,181 | 234 | 19 | 13 | 2 | 8 | 896 | 759 | 37 | 112 | 13 | 1 | 8 | |
| Finance, insurance, and real estate | 690 | 403 | 331 | 59 | 10 | 2 | 1 | 229 | 190 | 21 | 18 | 11 | ||||
| U.S. Postal Service | 1,127 | 1,027 | 800 | 221 | 9 | 8 | 5 | 3 | ||||||||
| Local and suburban transit and interurban highway passenger transportation | 619 | 457 | 325 | 112 | 11 | 5 | 155 | 138 | 7 | 10 | 2 | |||||
| Motor freight transportation and warehousing | 3,820 | 2,507 | 1,743 | 694 | 111 | 29 | 1 | 1,008 | 815 | 92 | 101 | 70 | 1 | 8 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.