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NLRB Stats Archive › Annual Reports › FY1948 › Union-shop authorization elections — by industry

Union-shop authorization elections — by industry

source page 121 · nlrb1948_p0121_t0

Industrial group	Total elections	Total elections	A.F. of L. affiliates authorized	A.F. of L. affiliates authorized	C.I.O. affiliates authorized	C.I.O. affiliates authorized	Unaffiliated authorized	Unaffiliated authorized	No union authorized	No union authorized	Eligible voters	Eligible voters	Valid votes cast	Valid votes cast
	Number	Percent	Number	Percent	Number	Percent	Number	Percent	Number	Percent	Number	Percent	Number	Percent
Total	17,958	100	12,820	71.4	2,312	12.9	2,469	13.7	357	2	1,852,333	100	1,629,330	100
Manufacturing	11,672	65	7,611	64.4	2,089	17.9	1,879	16.1	193	1.6	1,605,956	81.3	1,332,749	81.8
Manufacturing — Food and kindred products	2,319	12.9	1,924	83	196	8.4	240	10.4	40	1.7	171,122	9.2	152,604	9.4
Manufacturing — Textile-mill products	912	5.1	97	10.6	740	81.1	73	8	6	0.7	269,113	14.5	235,873	14.5
Manufacturing — Paper and allied products	564	3.1	265	47	167	29.7	113	21.4	12	2.1	132,810	7.2	119,117	7.3
Manufacturing — Primary metal industries	755	4.2	480	75.5	117	12.5	47	7	11	2	116,000	6.3	99,728	6.1
Manufacturing — Fabricated metal products (except machinery and transportation equipment)	1,162	6.5	791	67.2	125	10.6	234	20.5	12	1.7	104,768	5.7	92,527	5.7
Manufacturing — Machinery (except electrical)	1,051	5.9	204	22.8	127	13.1	595	56	22	4	137,486	7.4	119,439	7.3
Manufacturing — Transportation equipment	374	2.1	96	25.2	100	26.7	150	42.6	16	4.3	123,927	6.7	108,002	6.6

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Source page 121 of NLRB FY1948 annual report — Source: NLRB Annual Report FY1948, p. 121.

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