NLRB Stats Archive › Annual Reports › FY1941 › Cases received and workers involved — by industrial group

Cases received and workers involved — by industrial group

source page 29 · nlrb1941_p0029_t0

Industrial group	All cases — Cases — Number	All cases — Cases — Percent of total	All cases — Workers involved — Number	All cases — Workers involved — Percent of total	Unfair labor practice cases — Cases — Number	Unfair labor practice cases — Cases — Percent of total	Unfair labor practice cases — Workers involved — Number	Unfair labor practice cases — Workers involved — Percent of total	Representation cases — Cases — Number	Representation cases — Cases — Percent of total	Representation cases — Workers involved — Number	Representation cases — Workers involved — Percent of total
Mining: Metal mining	55	0.6	17,459	0.7	32	0.7	10,055	0.7	21	0.5	7,341	0.6
Mining: Coal mining	118	1.3	41,597	1.8	76	1.6	6,219	0.4	42	1	35,378	2.9
Construction	60	0.7	33,000	1.4	45	0.9	31,229	2.1	15	0.4	1,953	0.2
Wholesale trade	645	7.1	41,509	1.7	349	7.2	23,724	1.6	296	6.8	17,785	1.5
Retail trade	315	3.4	15,353	0.6	190	3.9	8,691	0.6	125	2.9	6,662	0.6
Transportation, communication, and other public utilities	689	9.7	153,044	6.4	457		82,727
Services	187	2	16,005	0.7	115	2.4	8,707	0.6	72	1.7	8,992	0.8
Total (all industries)	9,151	100	2,373,361	100	4,817	100	1,464,017	100	4,334	100	1,188,088	100

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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.