Union Membership, Coverage, Density and Employment by Industry, 2001  (details in table note)
CIC	Industry Name	Obs	Employment	Members	Covered	%Mem	%Cov
	AGRICULTURE	2,455	1,671,097	28,226	34,262	1.7	2.1
10	Agricultural production, crops	705	494,584	14,750	14,905	3.0	3.0
11	Agricultural production, livestock	607	345,028	2,270	3,423	0.7	1.0
12	Veterinary services	264	176,345	2,134	2,549	1.2	1.4
20	Landscape and horticultural services	732	542,590	8,298	12,493	1.5	2.3
30	Agricultural services, n.e.c.	147	112,551	775	893	0.7	0.8
	FORESTRY AND FISHERIES	206	91,556	17,496	19,950	19.1	21.8
31	Forestry	144	63,146	15,392	17,182	24.4	27.2
32	Fishing, hunting, and trapping	62	28,411	2,105	2,768	7.4	9.7
	MINING	1,064	530,429	65,755	70,104	12.4	13.2
40	Metal mining	94	35,771	10,668	11,352	29.8	31.7
41	Coal mining	199	82,894	24,981	24,981	30.1	30.1
42	Oil and gas extraction	596	320,952	13,333	14,675	4.2	4.6
50	Nonmetallic mining and quarrying, except fuel	175	90,812	16,773	19,097	18.5	21.0
60	CONSTRUCTION	10,287	7,329,085	1,421,225	1,475,489	19.4	20.1
	MANUFACTURING, NONDURABLE GOODS	9,757	7,105,411	984,843	1,046,765	13.9	14.7
100	Meat products	653	439,128	86,406	94,688	19.7	21.6
101	Dairy products	212	134,835	18,029	18,885	13.4	14.0
102	Canned, frozen and preserved fruits and vegetables	269	184,764	50,399	52,436	27.3	28.4
110	Grain mill products	195	138,602	20,372	23,149	14.7	16.7
111	Bakery products	289	210,624	40,184	43,549	19.1	20.7
112	Sugar and confectionery products	141	96,698	23,626	23,971	24.4	24.8
120	Beverage industries	228	178,130	36,674	38,052	20.6	21.4
121	Miscellaneous food preparations & kindred products	259	170,177	22,701	24,769	13.3	14.6
122	Not specified food industries	15	9,601	0	0	0.0	0.0
130	Tobacco manufactures	60	53,349	14,133	15,059	26.5	28.2
132	Knitting mills	90	68,808	1,208	1,208	1.8	1.8
140	Dyeing and finishing textiles, except wool & knit goods	39	32,485	2,663	3,606	8.2	11.1
141	Carpets and rugs	86	93,299	5,685	5,685	6.1	6.1
142	Yarn, thread, and fabric mills	287	245,613	13,864	13,864	5.6	5.6
150	Miscellaneous textile mill products	63	43,348	1,661	1,661	3.8	3.8
151	Apparel and accessories, except knit	542	415,144	29,206	32,606	7.0	7.9
152	Miscellaneous fabricated textile products	176	127,899	12,425	12,425	9.7	9.7
160	Pulp, paper, and paperboard mills	315	216,983	97,255	100,290	44.8	46.2
161	Miscellaneous paper and pulp products	236	175,314	37,050	37,647	21.1	21.5
162	Paperboard containers and boxes	254	189,667	45,207	48,273	23.8	25.5
171	Newspaper publishing and printing	694	473,684	44,725	50,984	9.4	10.8
172	Printing, publishing, & allied ind., exc. newspapers	1,560	1,140,563	81,297	90,519	7.1	7.9
180	Plastics, synthetics, and resins	205	138,702	21,047	21,601	15.2	15.6
181	Drugs	542	390,156	17,156	20,350	4.4	5.2
182	Soaps and cosmetics	212	163,097	7,203	7,780	4.4	4.8
190	Paints, varnishes, and related products	75	58,761	11,110	11,868	18.9	20.2
191	Agricultural chemicals	65	43,113	1,317	2,664	3.1	6.2
192	Industrial and miscellaneous chemicals	598	431,663	74,770	77,485	17.3	18.0
200	Petroleum refining	187	143,699	26,267	27,499	18.3	19.1
201	Miscellaneous petroleum and coal products	31	25,159	4,664	4,664	18.5	18.5
210	Tires and inner tubes	134	107,459	42,389	43,709	39.4	40.7
211	Other rubber products, & plastics footwear & belting	175	124,551	15,842	15,842	12.7	12.7
212	Miscellaneous plastics products	746	555,836	65,026	66,696	11.7	12.0
220	Leather tanning and finishing	19	13,735	5,328	5,328	38.8	38.8
221	Footwear, except rubber and plastic	62	39,073	4,271	4,271	10.9	10.9
222	Leather products, except footwear	43	31,691	3,682	3,682	11.6	11.6
	MANUFACTURING, DURABLE GOODS	15,025	11,115,382	1,693,780	1,784,108	15.2	16.1
230	Logging	103	62,445	3,334	4,364	5.3	7.0
231	Sawmills, planing mills, and millwork	507	353,101	31,717	32,099	9.0	9.1
232	Wood buildings and mobile homes	79	60,678	427	427	0.7	0.7
241	Miscellaneous wood products	184	119,598	6,451	6,451	5.4	5.4
242	Furniture and fixtures	758	569,606	44,811	49,642	7.9	8.7
250	Glass and glass products	201	164,655	38,743	40,165	23.5	24.4
251	Cement, concrete, gypsum, and plaster products	301	208,295	29,870	33,829	14.3	16.2
252	Structural clay products	39	35,150	5,804	6,130	16.5	17.4
261	Pottery and related products	38	28,546	7,583	7,583	26.6	26.6
262	Miscellaneous nonmetallic mineral & stone products	130	94,529	16,467	17,932	17.4	19.0
270	Blast furnaces, steelworks, rolling and finishing mills	420	313,036	127,757	129,247	40.8	41.3
271	Iron and steel foundries	118	86,080	32,800	33,274	38.1	38.7
272	Primary aluminum industries	152	121,533	37,536	39,452	30.9	32.5
280	Other primary metal industries	275	205,241	34,784	37,068	16.9	18.1
281	Cutlery, handtools, and general hardware	165	121,490	13,920	16,046	11.5	13.2
282	Fabricated structural metal products	774	564,963	74,060	78,527	13.1	13.9
290	Screw machine products	75	57,271	6,913	6,913	12.1	12.1
291	Metal forgings and stampings	163	126,122	28,454	29,209	22.6	23.2
292	Ordnance	59	32,981	5,218	5,218	15.8	15.8
300	Miscellaneous fabricated metal products	432	345,536	59,956	60,793	17.4	17.6
301	Not specified metal industries	6	5,960	0	0	0.0	0.0
310	Engines and turbines	74	56,920	18,440	19,729	32.4	34.7
311	Farm machinery and equipment	164	89,356	16,047	17,565	18.0	19.7
312	Construction and material handling machines	276	208,829	37,950	39,042	18.2	18.7
320	Metalworking machinery	401	300,112	23,247	24,045	7.7	8.0
321	Office and accounting machines	42	28,765	3,154	3,154	11.0	11.0
322	Computers and related equipment	651	507,441	10,161	14,018	2.0	2.8
331	Machinery, except electrical, n.e.c.	1,466	1,070,297	121,935	125,842	11.4	11.8
332	Not specified machinery	4	2,851	1,526	1,526	53.5	53.5
340	Household appliances	139	110,203	22,978	27,324	20.9	24.8
341	Radio, TV, and communication equipment	518	415,841	20,627	23,458	5.0	5.6
342	Electrical machinery, equipment, and supplies, n.e.c.	1,679	1,215,830	100,231	109,565	8.2	9.0
350	Not specified electrical machinery, equip., & supplies	24	22,554	1,528	1,528	6.8	6.8
351	Motor vehicles and motor vehicle equipment	1,489	1,152,165	422,993	430,510	36.7	37.4
352	Aircraft and parts	537	391,802	112,000	119,708	28.6	30.6
360	Ship and boat building and repairing	261	177,291	32,478	37,653	18.3	21.2
361	Railroad locomotives and equipment	31	22,039	7,418	7,418	33.7	33.7
362	Guided missiles, space vehicles, and parts	304	239,409	32,592	38,243	13.6	16.0
370	Cycles and miscellaneous transportation equipment	101	72,471	9,624	9,624	13.3	13.3
371	Scientific and controlling instruments	288	214,547	11,327	11,327	5.3	5.3
372	Medical, dental, and optical instruments and supplies	554	416,616	19,790	23,117	4.8	5.5
380	Photographic equipment and supplies	99	72,310	5,177	5,764	7.2	8.0
381	Watches, clocks, and clockwork operated devices	10	7,658	0	0	0.0	0.0
390	Toys, amusement, and sporting goods	158	115,299	9,389	9,718	8.1	8.4
391	Miscellaneous manufacturing industries	617	399,234	27,166	29,096	6.8	7.3
392	Not specified manufacturing industries	159	128,726	19,393	20,766	15.1	16.1
	TRANSPORTATION	7,851	5,620,085	1,866,045	1,972,269	33.2	35.1
400	Railroads	420	256,999	181,083	186,368	70.5	72.5
401	Bus service and urban transit	868	625,982	224,325	238,032	35.8	38.0
402	Taxicab service	121	83,753	7,521	8,819	9.0	10.5
410	Trucking service	2,918	2,113,172	407,265	430,473	19.3	20.4
411	Warehousing and storage	214	169,813	14,353	14,353	8.5	8.5
412	U.S. Postal Service	1,252	870,695	591,351	631,022	67.9	72.5
420	Water transportation	246	180,688	44,111	47,659	24.4	26.4
421	Air transportation	1,245	926,412	364,601	381,619	39.4	41.2
422	Pipe lines, except natural gas	22	9,279	782	860	8.4	9.3
432	Services incidental to transportation	545	383,291	30,653	33,064	8.0	8.6
	COMMUNICATIONS	2,789	2,042,231	419,626	440,385	20.5	21.6
440	Radio and television broadcasting and cable	689	466,618	40,796	44,842	8.7	9.6
441	Telephone communications	2,065	1,551,248	377,610	394,322	24.3	25.4
442	Telegraph and misc. communications services	35	24,365	1,220	1,220	5.0	5.0
	UTILITIES AND SANITARY SERVICES	2,027	1,375,769	422,102	449,983	30.7	32.7
450	Electric light and power	912	589,473	174,828	186,481	29.7	31.6
451	Gas and steam supply systems	162	99,846	33,929	34,895	34.0	34.9
452	Electric and gas, and other combinations	164	137,806	58,793	59,027	42.7	42.8
470	Water supply and irrigation	316	227,486	66,913	73,193	29.4	32.2
471	Sanitary services	446	304,606	84,044	92,049	27.6	30.2
472	Not specified utilities	27	16,554	3,595	4,338	21.7	26.2
	WHOLESALE TRADE	6,344	4,551,538	245,967	267,059	5.4	5.9
500	Motor vehicles and equipment	317	242,670	16,911	18,335	7.0	7.6
501	Furniture and home furnishings	112	90,146	4,127	4,127	4.6	4.6
502	Lumber and construction materials	260	181,569	7,782	9,035	4.3	5.0
510	Professional and commercial equipment and supplies	630	443,343	10,446	14,383	2.4	3.2
511	Metals and minerals, except petroleum	104	76,234	10,574	11,172	13.9	14.7
512	Electrical goods	398	307,722	9,030	9,677	2.9	3.1
521	Hardware, plumbing and heating supplies	385	286,805	7,142	8,304	2.5	2.9
530	Machinery, equipment, and supplies	810	539,572	20,177	24,987	3.7	4.6
531	Scrap and waste materials	220	160,611	16,631	17,703	10.4	11.0
532	Miscellaneous wholesale, durable goods	174	140,472	6,040	6,040	4.3	4.3
540	Paper and paper products	163	116,170	5,744	5,744	4.9	4.9
541	Drugs, chemicals and allied products	342	250,555	4,834	6,000	1.9	2.4
542	Apparel, fabrics, and notions	134	105,620	3,612	3,612	3.4	3.4
550	Groceries and related products	1,174	850,014	95,724	98,421	11.3	11.6
551	Farm-product raw materials	158	84,065	400	400	0.5	0.5
552	Petroleum products	177	122,670	4,939	6,011	4.0	4.9
560	Alcoholic beverages	184	135,425	15,586	16,841	11.5	12.4
561	Farm supplies	196	114,139	1,207	1,207	1.1	1.1
562	Miscellaneous wholesale, nondurable goods	373	280,768	4,095	4,095	1.5	1.5
571	Not specified wholesale trade	33	22,969	965	965	4.2	4.2
	RETAIL TRADE	29,016	20,640,440	941,471	1,034,202	4.6	5.0
580	Lumber and building material retailing	924	646,010	26,503	29,856	4.1	4.6
581	Hardware stores	297	208,224	1,877	3,876	0.9	1.9
582	Retail nurseries and garden stores	183	114,312	1,210	2,033	1.1	1.8
590	Mobile home dealers	53	40,215	0	0	0.0	0.0
591	Department stores	3,050	2,196,269	68,190	73,054	3.1	3.3
592	Variety stores	211	159,981	0	0	0.0	0.0
600	Miscellaneous general merchandise stores	292	178,524	12,022	12,022	6.7	6.7
601	Grocery stores	3,994	2,796,249	554,020	578,917	19.8	20.7
602	Dairy products stores	27	24,776	141	678	0.6	2.7
610	Retail bakeries	285	186,695	9,389	9,591	5.0	5.1
611	Food stores, n.e.c.	278	199,260	4,108	5,451	2.1	2.7
612	Motor vehicle dealers	1,701	1,185,755	35,923	42,558	3.0	3.6
620	Auto and home supply stores	591	425,830	3,376	5,639	0.8	1.3
621	Gasoline service stations	488	331,079	3,262	3,870	1.0	1.2
622	Miscellaneous vehicle dealers	173	115,883	875	875	0.8	0.8
623	Apparel and accessory stores, except shoe	987	725,834	6,619	8,913	0.9	1.2
630	Shoe stores	179	135,814	2,363	2,363	1.7	1.7
631	Furniture and home furnishings stores	777	552,347	4,075	4,533	0.7	0.8
632	Household appliance stores	89	69,554	2,551	2,975	3.7	4.3
633	Radio, TV, and computer stores	650	513,798	5,855	8,467	1.1	1.6
640	Music stores	154	116,747	1,290	1,951	1.1	1.7
641	Eating and drinking places	9,068	6,494,753	99,781	124,193	1.5	1.9
642	Drug stores	903	649,863	45,976	50,935	7.1	7.8
650	Liquor stores	148	110,309	5,377	5,377	4.9	4.9
651	Sporting goods, bicycles, and hobby stores	544	392,448	3,088	4,226	0.8	1.1
652	Book and stationery stores	452	317,370	4,888	4,888	1.5	1.5
660	Jewelry stores	198	138,999	925	925	0.7	0.7
661	Gift, novelty, and souvenir shops	252	183,739	3,665	4,606	2.0	2.5
662	Sewing, needlework and piece goods stores	73	50,138	0	0	0.0	0.0
663	Catalog and mail order houses	225	134,618	3,160	3,901	2.3	2.9
670	Vending machine operators	71	53,811	3,724	5,375	6.9	10.0
671	Direct selling establishments	162	108,655	3,107	3,107	2.9	2.9
672	Fuel dealers	179	106,779	8,756	8,756	8.2	8.2
681	Retail florists	189	134,853	0	0	0.0	0.0
682	Miscellaneous retail stores	985	691,009	8,697	13,612	1.3	2.0
691	Not specified retail trade	184	149,940	6,679	6,679	4.5	4.5
	FINANCE, INSURANCE, AND REAL ESTATE	11,151	7,835,642	193,434	253,897	2.5	3.2
700	Banking	2,810	1,905,685	19,957	34,005	1.0	1.8
701	Savings institutions, including credit unions	440	283,840	12,079	13,440	4.3	4.7
702	Credit agencies, n.e.c.	1,087	773,746	7,354	11,827	1.0	1.5
710	Security, commodity brokerage, & invest. companies	1,233	920,697	15,261	20,224	1.7	2.2
711	Insurance	3,191	2,215,530	44,034	61,226	2.0	2.8
712	Real estate, including real estate-insurance offices	2,390	1,736,145	94,748	113,174	5.5	6.5
	BUSINESS AND REPAIR SERVICES	10,599	7,963,053	264,886	306,330	3.3	3.8
721	Advertising	331	247,031	5,040	5,040	2.0	2.0
722	Services to dwellings and other buildings	940	693,819	64,431	70,277	9.3	10.1
731	Personnel supply services	1,280	987,200	22,130	29,629	2.2	3.0
732	Computer and data processing services	2,716	2,143,075	29,688	39,682	1.4	1.9
740	Detective and protective services	783	573,083	33,631	35,259	5.9	6.2
741	Business services, n.e.c.	2,296	1,660,953	44,557	51,369	2.7	3.1
742	Automotive rental and leasing, without drivers	231	172,477	11,962	13,507	6.9	7.8
750	Automotive parking and carwashes	240	181,654	4,639	6,310	2.6	3.5
751	Automotive repair and related services	1,164	866,596	23,672	26,366	2.7	3.0
752	Electrical repair shops	98	67,904	4,859	6,177	7.2	9.1
760	Miscellaneous repair services	520	369,260	20,278	22,714	5.5	6.2
	PERSONAL SERVICES	5,440	3,649,327	191,019	204,844	5.2	5.6
761	Private Households	1,141	824,258	11,541	11,936	1.4	1.4
762	Hotels and Motels	2,347	1,401,958	138,962	146,113	9.9	10.4
770	Lodging places, except hotels and motels	163	105,417	1,657	1,657	1.6	1.6
771	Laundry, cleaning, and garment services	501	374,411	22,085	26,065	5.9	7.0
772	Beauty shops	762	559,211	8,192	8,793	1.5	1.6
780	Barber shops	56	46,056	2,641	2,641	5.7	5.7
781	Funeral service and crematories	132	95,601	1,095	1,095	1.1	1.1
782	Shoe repair shops	8	5,372	0	0	0.0	0.0
790	Dressmaking shops	2	1,442	0	0	0.0	0.0
791	Miscellaneous personal services	328	235,602	4,847	6,543	2.1	2.8
	ENTERTAINMENT AND RECREATION SERVICES	3,183	2,240,004	212,584	233,527	9.5	10.4
800	Theaters and motion pictures	607	458,989	66,001	70,850	14.4	15.4
801	Video tape rental	141	101,165	1,076	1,076	1.1	1.1
802	Bowling centers	46	35,438	794	794	2.2	2.2
810	Miscellaneous entertainment & recreation services	2,389	1,644,412	144,712	160,806	8.8	9.8
831	HOSPITALS	7,649	5,132,035	699,505	795,192	13.6	15.5
	MEDICAL SERVICES, EXCEPT HOSPITALS	8,968	6,113,539	412,261	465,147	6.7	7.6
812	Offices and clinics of physicians	2,236	1,548,794	48,580	56,551	3.1	3.7
820	Offices and clinics of dentists	838	564,483	6,382	6,382	1.1	1.1
821	Offices and clinics of chiropractors	107	71,295	222	222	0.3	0.3
822	Offices and clinics of optometrists	57	43,186	0	161	0.0	0.4
830	Offices and clinics of health practitioners, n.e.c.	90	52,107	2,180	2,504	4.2	4.8
832	Nursing and personal care facilities	2,554	1,684,555	163,042	179,901	9.7	10.7
840	Health services, n.e.c.	3,086	2,149,119	191,856	219,426	8.9	10.2
	EDUCATIONAL SERVICES	16,544	11,223,952	3,880,408	4,388,104	34.6	39.1
842	Elementary and secondary schools	11,385	7,754,483	3,376,312	3,803,756	43.5	49.1
850	Colleges and universities	4,506	3,023,885	449,297	527,244	14.9	17.4
851	Vocational schools	121	88,135	12,189	12,189	13.8	13.8
852	Libraries	261	169,865	28,077	28,947	16.5	17.0
860	Educational services, n.e.c.	271	187,584	14,532	15,968	7.7	8.5
	SOCIAL SERVICES	4,414	3,015,847	198,313	227,541	6.6	7.5
861	Job training and vocational rehabilitation services	377	241,305	13,021	15,253	5.4	6.3
862	Child day care services	1,446	1,057,321	27,233	37,189	2.6	3.5
863	Family child care homes	44	31,291	0	179	0.0	0.6
870	Residential care facilities, without nursing	846	563,243	38,878	44,489	6.9	7.9
871	Social services, n.e.c.	1,701	1,122,686	119,181	130,431	10.6	11.6
	OTHER PROFESSIONAL SERVICES	7,700	5,379,413	170,186	200,128	3.2	3.7
841	Legal services	1,522	1,075,736	28,477	31,153	2.6	2.9
872	Museums, art galleries, and zoos	204	132,646	9,248	9,807	7.0	7.4
873	Labor unions	93	63,701	46,076	46,076	72.3	72.3
880	Religious organizations	1,378	940,863	6,058	11,920	0.6	1.3
881	Membership organizations, n.e.c.	577	348,182	10,802	11,921	3.1	3.4
882	Engineering, architectural, and surveying services	1,109	801,486	23,154	31,744	2.9	4.0
890	Accounting, auditing, and bookkeeping services	769	557,152	4,437	4,865	0.8	0.9
891	Research, development, and testing services	943	658,217	25,257