Union Membership, Coverage, Density and Employment by Industry: 2004
CIC	Industry	Obs	Employment (in 1000s)	Members (in 1000s)	Covered (in 1000s)	% Mem	% Cov
	AGRICULTURE, FORESTRY, FISHING, & HUNTING	1,773	1,094	30	40	2.7%	3.6%
170	Crop production	686	467	10	11	2.1%	2.4%
180	Animal production	651	374	7	9	1.8%	2.4%
190	Forestry except logging	122	59	7	10	12.1%	16.5%
270	Logging	128	80	5	6	6.0%	7.2%
280	Fishing, hunting, and trapping	60	31	0	0	0.0%	0.0%
290	Support activities for agriculture and forestry	126	84	1	4	1.7%	5.1%
	MINING	925	497	57	58	11.4%	11.7%
370	Oil and gas extraction	103	62	3	3	4.7%	4.9%
380	Coal mining	188	83	23	23	27.5%	27.5%
390	Metal ore mining	53	17	2	3	13.8%	16.9%
470	Nonmetallic mineral mining and quarrying	189	95	18	19	18.6%	19.5%
480	Not specified type of mining	10	7	4	4	55.3%	55.3%
490	Support activities for mining	382	232	6	6	2.8%	2.8%
	UTILITIES	12,935	9,225	1,619	1,710	17.5%	18.5%
570	Electric power generation, transmission and distribution	938	602	181	193	30.0%	32.1%
580	Natural gas distribution	178	117	31	33	26.8%	28.0%
590	Electric and gas, and other combinations	132	98	38	38	39.4%	39.4%
670	Water, steam, air-conditioning, and irrigation systems	349	251	62	63	24.5%	25.1%
680	Sewage treatment facilities	161	99	33	34	32.9%	34.7%
690	Not specified utilities	10	8	1	1	13.7%	13.7%
770	CONSTRUCTION	11,167	8,051	1,273	1,347	15.8%	16.7%
	NONDURABLE GOODS MANUFACTURING	8,140	5,884	725	783	12.3%	13.3%
1070	Animal food, grain and oilseed milling	203	141	16	20	11.7%	14.2%
1080	Sugar and confectionery products	133	77	14	15	18.7%	19.4%
1090	Fruit and vegetable preserving and specialty food manufacturing	232	156	35	38	22.7%	24.2%
1170	Dairy product manufacturing	206	135	25	26	18.7%	19.1%
1180	Animal slaughtering and processing	733	477	79	89	16.6%	18.7%
1190	Retail bakeries	174	129	13	16	9.9%	12.4%
1270	Bakeries, except retail	247	195	41	42	20.9%	21.6%
1280	Seafood and other miscellaneous foods, n.e.c.	324	206	22	24	10.6%	11.5%
1290	Not specified food industries	6	4	1	1	13.8%	13.8%
1370	Beverage manufacturing	263	203	32	37	16.0%	18.1%
1390	Tobacco manufacturing	30	27	2	5	8.3%	17.0%
1470	Fiber, yarn, and thread mills	38	33	0	2	0.0%	5.3%
1480	Fabric mills, except knitting	186	135	5	5	3.3%	3.3%
1490	Textile and fabric finishing and coating mills	47	27	2	3	8.6%	9.4%
1570	Carpet and rug mills	93	109	4	4	3.9%	3.9%
1590	Textile product mills, except carpets and rugs	181	141	8	9	5.7%	6.7%
1670	Knitting mills	49	39	1	1	2.8%	2.8%
1680	Cut and sew apparel manufacturing	370	314	27	29	8.6%	9.3%
1690	Apparel accessories and other apparel manufacturing	17	16	0	0	0.0%	0.0%
1770	Footwear manufacturing	53	32	4	4	12.1%	12.1%
1790	Leather tanning and products, except footwear manufacturing	41	25	3	3	12.5%	12.5%
1870	Pulp, paper, and paperboard mills	314	224	89	93	39.8%	41.5%
1880	Paperboard containers and boxes	228	181	40	41	22.0%	22.7%
1890	Miscellaneous paper and pulp products	161	107	17	18	15.6%	16.5%
1990	Printing and related support activities	1,013	696	34	40	4.9%	5.8%
2070	Petroleum refining	188	140	30	31	21.3%	22.2%
2090	Miscellaneous petroleum and coal products	29	23	5	5	19.9%	19.9%
2170	Resin, synthetic rubber and fibers, and filaments manufacturing	166	120	6	6	5.1%	5.1%
2180	Agricultural chemical manufacturing	68	42	3	3	7.3%	7.3%
2190	Pharmaceutical and medicine manufacturing	573	420	14	17	3.4%	4.0%
2270	Paint, coating, and adhesive manufacturing	108	84	8	8	9.2%	9.2%
2280	Soap, cleaning compound, and cosmetics manufacturing	176	130	11	11	8.3%	8.8%
2290	Industrial and miscellaneous chemicals	535	389	61	62	15.6%	16.0%
2370	Plastics product manufacturing	712	517	36	39	7.0%	7.5%
2380	Tire manufacturing	118	91	25	26	27.7%	29.0%
2390	Rubber products, except tires, manufacturing	125	97	12	12	12.1%	12.2%
	DURABLE GOODS MANUFACTURING	13,871	9,926	1,327	1,421	13.4%	14.3%
2470	Pottery, ceramics, and related products manufacturing	42	28	4	4	13.2%	13.2%
2480	Structural clay product manufacturing	42	33	2	2	7.2%	7.2%
2490	Glass and glass product manufacturing	175	147	37	38	25.0%	25.7%
2570	Cement, concrete, lime, and gypsum product manufacturing	320	222	36	38	16.2%	17.2%
2590	Miscellaneous nonmetallic mineral product manufacturing	100	71	10	10	14.5%	14.5%
2670	Iron and steel mills and steel product manufacturing	387	282	91	93	32.4%	33.0%
2680	Aluminum production and processing	120	93	39	40	41.6%	43.5%
2690	Nonferrous metal, except aluminum, production and processing	93	59	9	12	15.8%	19.6%
2770	Foundries	167	117	29	30	24.9%	25.6%
2780	Metal forgings and stampings	112	80	20	21	24.8%	25.7%
2790	Cutlery and hand tool manufacturing	78	56	5	5	8.9%	8.9%
2870	Structural metals, and tank and shipping container manufacturing	561	399	54	60	13.5%	15.1%
2880	Machine shops; turned product; screw, nut and bolt manufacturing	403	286	18	19	6.2%	6.5%
2890	Coating, engraving, heat treating and allied activities	95	78	3	4	4.0%	5.5%
2970	Ordnance	82	40	4	6	10.3%	15.4%
2980	Miscellaneous fabricated metal products manufacturing	461	327	39	42	11.9%	12.7%
2990	Not specified metal industries	22	17	2	2	8.9%	8.9%
3070	Agricultural implement manufacturing	156	84	12	12	14.2%	14.8%
3080	Construction, mining and oil field machinery manufacturing	171	121	12	12	9.7%	9.7%
3090	Commercial and service industry machinery manufacturing	173	124	7	7	5.7%	5.7%
3170	Metalworking machinery manufacturing	258	189	18	19	9.6%	9.9%
3180	Engines, turbines, and power transmission equipment manufacturing	54	39	8	9	20.3%	22.6%
3190	Machinery manufacturing, n.e.c.	886	607	67	74	11.1%	12.1%
3290	Not specified machinery manufacturing	4	4	1	1	35.4%	35.4%
3360	Computer and peripheral equipment manufacturing	428	314	3	6	0.9%	1.8%
3370	Communications, audio, and video equipment manufacturing	234	188	9	11	4.9%	5.8%
3380	Navigational, measuring, electromedical, & control instruments manufacturin	365	236	17	18	7.3%	7.6%
3390	Electronic component and product manufacturing, n.e.c.	1,085	794	26	28	3.3%	3.6%
3470	Household appliance manufacturing	117	94	21	22	21.9%	23.4%
3490	Electrical lighting, equipment, and supplies manufacturing, n.e.c.	559	389	41	44	10.4%	11.4%
3570	Motor vehicles and motor vehicle equipment manufacturing	1,717	1,399	411	422	29.4%	30.2%
3580	Aircraft and parts manufacturing	499	332	60	72	18.0%	21.6%
3590	Aerospace products and parts manufacturing	352	281	25	30	8.8%	10.5%
3670	Railroad rolling stock manufacturing	36	30	5	5	14.9%	16.0%
3680	Ship and boat building	294	169	38	40	22.5%	23.6%
3690	Other transportation equipment manufacturing	60	41	13	15	32.5%	37.2%
3770	Sawmills and wood preservation	208	128	9	10	7.3%	7.7%
3780	Veneer, plywood, and engineered wood products	95	65	4	5	6.8%	8.0%
3790	Prefabricated wood buildings and mobile homes	91	69	1	1	0.9%	0.9%
3870	Miscellaneous wood products	347	215	14	14	6.3%	6.5%
3890	Furniture and related product manufacturing	821	592	43	52	7.3%	8.9%
3960	Medical equipment and supplies manufacturing	640	455	16	18	3.4%	4.0%
3970	Toys, amusement, and sporting goods manufacturing	168	108	2	2	1.8%	2.0%
3980	Miscellaneous manufacturing, n.e.c.	611	369	28	28	7.5%	7.5%
3990	Not specified manufacturing industries	182	151	16	18	10.7%	12.1%
	WHOLESALE TRADE	5,765	4,095	190	216	4.7%	5.3%
4070	Motor vehicles, parts and supplies, merchant wholesalers	275	206	7	7	3.4%	3.5%
4080	Furniture and home furnishing, merchant wholesalers	116	96	3	3	3.0%	3.0%
4090	Lumber and other construction materials, merchant wholesalers	301	205	10	10	4.8%	5.0%
4170	Professional and commercial equipment and supplies, merchant wholesalers	551	424	8	8	1.8%	1.8%
4180	Metals and minerals, except petroleum, merchant wholesalers	102	77	5	6	6.1%	7.6%
4190	Electrical goods, merchant wholesalers	396	281	7	12	2.6%	4.2%
4260	Hardware, plumbing and heating equipment, and supplies, merchant wholesaler	290	208	7	7	3.3%	3.6%
4270	Machinery, equipment, and supplies, merchant wholesalers	658	440	9	12	2.1%	2.8%
4280	Recyclable material, merchant wholesalers	111	76	6	8	7.5%	10.2%
4290	Miscellaneous durable goods, merchant wholesalers	201	159	6	6	3.7%	3.7%
4370	Paper and paper products, merchant wholesalers	144	104	3	3	3.2%	3.2%
4380	Drugs, sundries, and chemical and allied products, merchant  wholesalers	358	261	10	10	3.8%	3.8%
4390	Apparel, fabrics, and notions, merchant wholesalers	126	97	6	9	6.6%	8.9%
4470	Groceries and related products, merchant wholesalers	1,142	818	75	80	9.2%	9.8%
4480	Farm product raw materials, merchant wholesalers	123	62	0	0	0.0%	0.5%
4490	Petroleum and petroleum products, merchant wholesalers	221	131	9	10	6.6%	7.3%
4560	Alcoholic beverages, merchant wholesalers	170	116	12	13	9.9%	11.3%
4570	Farm supplies, merchant wholesalers	124	64	1	1	1.5%	1.5%
4580	Miscellaneous  nondurable goods, merchant wholesalers	281	204	5	7	2.5%	3.6%
4585	Wholesale electronic markets, agents and brokers	37	33	1	2	2.4%	5.6%
4590	Not specified wholesale trade	38	31	2	2	5.7%	5.7%
	RETAIL TRADE	21,221	14,753	851	906	5.8%	6.1%
4670	Automobile dealers	1,811	1,255	50	53	4.0%	4.2%
4680	Other motor vehicle dealers	208	130	2	2	1.5%	1.5%
4690	Auto parts, accessories, and tire stores	688	475	9	10	1.9%	2.1%
4770	Furniture and home furnishings stores	800	580	8	11	1.3%	2.0%
4780	Household appliance stores	91	66	0	0	0.0%	0.0%
4790	Radio, TV, and computer stores	774	602	8	9	1.4%	1.5%
4870	Building material and supplies dealers	1,292	896	24	27	2.7%	3.0%
4880	Hardware stores	294	188	1	4	0.6%	1.9%
4890	Lawn and garden equipment and supplies stores	377	218	2	2	0.9%	1.0%
4970	Grocery stores	3,622	2,508	547	562	21.8%	22.4%
4980	Specialty food stores	324	233	6	6	2.6%	2.6%
4990	Beer, wine, and liquor stores	136	88	4	4	4.3%	4.3%
5070	Pharmacies and drug stores	1,041	727	48	52	6.6%	7.2%
5080	Health and personal care, except drug, stores	342	270	9	9	3.3%	3.3%
5090	Gasoline stations	712	452	3	4	0.7%	0.8%
5170	Clothing and accessories, except shoe, stores	988	735	15	17	2.1%	2.3%
5180	Shoe stores	194	137	2	2	1.4%	1.4%
5190	Jewelry, luggage, and leather goods stores	247	181	2	2	1.0%	1.3%
5270	Sporting goods, camera, and hobby and toy stores	557	362	5	10	1.4%	2.7%
5280	Sewing, needlework, and piece goods stores	79	52	0	0	0.0%	0.0%
5290	Music stores	162	115	1	1	1.1%	1.1%
5370	Book stores and news dealers	225	164	4	5	2.7%	3.2%
5380	Department stores and discount stores	3,482	2,432	67	78	2.8%	3.2%
5390	Miscellaneous general merchandise stores	555	390	19	20	4.8%	5.1%
5470	Retail florists	193	126	2	2	1.3%	1.3%
5480	Office supplies and stationery stores	265	178	2	3	1.0%	1.7%
5490	Used merchandise stores	213	149	0	0	0.3%	0.3%
5570	Gift, novelty, and souvenir shops	315	201	0	0	0.0%	0.0%
5580	Miscellaneous retail stores	492	315	2	2	0.5%	0.5%
5590	Electronic shopping	44	31	0	0	0.0%	0.0%
5591	Electronic auctions	4	3	0	0	0.0%	0.0%
5592	Mail order houses	129	78	3	3	3.2%	3.2%
5670	Vending machine operators	62	46	0	0	0.0%	0.3%
5680	Fuel dealers	135	76	1	1	1.3%	1.3%
5690	Other direct selling establishments	165	117	2	2	1.5%	1.5%
5790	Not specified retail trade	203	177	2	3	1.3%	2.0%
	TRANSPORTATION & WAREHOUSING	7,329	5,221	1,732	1,840	33.2%	35.2%
6070	Air transportation	825	578	275	289	47.5%	50.0%
6080	Rail transportation	440	266	194	197	72.8%	74.0%
6090	Water transportation	77	46	18	18	38.5%	39.4%
6170	Truck transportation	2,116	1,525	167	178	11.0%	11.7%
6180	Bus service and urban transit	688	492	209	216	42.5%	43.9%
6190	Taxi and limousine service	175	141	13	17	9.4%	11.8%
6270	Pipeline transportation	45	28	2	2	7.2%	7.2%
6280	Scenic and sightseeing transportation	48	17	1	1	7.5%	7.5%
6290	Services incidental to transportation	633	490	100	112	20.3%	22.9%
6370	Postal Service	1,248	835	550	590	65.9%	70.8%
6380	Couriers and messengers	756	574	187	199	32.6%	34.7%
6390	Warehousing and storage	278	230	17	20	7.4%	8.8%
	INFORMATION	4,529	3,234	462	505	14.3%	15.6%
6470	Newspaper publishers	723	458	46	51	10.1%	11.1%
6480	Publishing, except newspapers and software	422	303	9	11	3.1%	3.7%
6490	Software publishing	33	25	0	1	0.0%	4.4%
6570	Motion pictures and video industries	400	308	50	52	16.3%	16.8%
6590	Sound recording industries	25	22	1	2	6.1%	9.9%
6670	Radio and television broadcasting and cable	721	510	47	53	9.1%	10.4%
6675	Internet publishing and broadcasting	10	8	0	0	0.0%	0.0%
6680	Wired telecommunications carriers	1,222	895	199	214	22.3%	23.9%
6690	Other telecommunications services	422	329	76	81	23.2%	24.5%
6692	Internet service providers	79	60	1	1	1.2%	1.2%
6695	Data processing, hosting, and related services	103	76	1	2	1.1%	2.2%
6770	Libraries and archives	313	201	28	35	14.1%	17.6%
6780	Other information services	56	39	2	2	6.2%	6.2%
	FINANCE & INSURANCE	9,344	6,437	127	161	2.0%	2.5%
6870	Banking and related activities	2,866	1,915	26	37	1.4%	1.9%
6880	Savings institutions, including credit unions	446	279	13	13	4.6%	4.6%
6890	Non-depository credit and related activities	1,463	1,051	7	8	0.7%	0.8%
6970	Securities, commodities, funds, trusts, and other financial investments	1,265	934	21	27	2.3%	2.9%
6990	Insurance carriers and related activities	3,304	2,259	60	76	2.6%	3.4%
	REAL ESTATE & RENTAL & LEASING	3,129	2,277	102	114	4.5%	5.0%
7070	Real estate	2,452	1,785	86	96	4.8%	5.4%
7080	Automotive equipment rental and leasing	235	172	8	9	4.5%	5.0%
7170	Video tape and disk rental	175	116	0	1	0.0%	0.5%
7180	Other consumer goods rental	120	92	1	1	0.9%	0.9%
7190	Commercial, industrial, and other intangible assets rental and leasing	147	112	8	8	6.9%	7.0%
	PROF., SCIENTIFIC, TECHNICAL SERVICES	8,909	6,439	96	136	1.5%	2.1%
7270	Legal services	1,764	1,237	21	27	1.7%	2.2%
7280	Accounting, tax preparation, bookkeeping, and payroll services	912	658	6	8	0.9%	1.2%
7290	Architectural, engineering, and related services	1,665	1,171	29	40	2.5%	3.4%
7370	Specialized design services	225	164	2	2	1.2%	1.2%
7380	Computer systems design and related services	1,775	1,373	12	18	0.9%	1.3%
7390	Management, scientific, and technical consulting services	752	556	1	8	0.2%	1.5%
7460	Scientific research and development services	689	470	13	18	2.8%	3.7%
7470	Advertising and related services	552	414	5	7	1.3%	1.7%
7480	Veterinary services	303	204	2	5	1.2%	2.2%
7490	Other professional, scientific, and technical services	272	193	3	4	1.4%	2.0%
	MANAGEMENT & RELATED SERVICES	6,324	4,717	221	253	4.7%	5.4%
7570	Management of companies and enterprises	45	30	2	2	8.2%	8.2%
7580	Employment services	1,237	933	30	41	3.2%	4.3%
7590	Business support services	920	647	6	8	0.9%	1.2%
7670	Travel arrangements and reservation services	352	230	1	2	0.4%	0.8%
7680	Investigation and security services	793	618	46	50	7.4%	8.0%
7690	Services to buildings and dwellings	1,209	902	44	50	4.9%	5.6%
7770	Landscaping services	974	768	20	21	2.5%	2.7%
7780	Other administrative and other support services	261	190	9	11	4.6%	5.9%
7790	Waste management and remediation services	533	400	64	68	16.1%	17.0%
	EDUCATIONAL SERVICES	17,796	11,785	3,922	4,434	33.3%	37.6%
7860	Elementary and secondary schools	12,274	8,096	3,427	3,845	42.3%	47.5%
7870	Colleges and universities, including junior colleges	4,967	3,310	476	567	14.4%	17.1%
7880	Business, technical, and trade schools and training	151	100	7	8	7.3%	7.6%
7890	Other schools, instruction, and educational services	404	280	13	15	4.5%	5.3%
	HEALTH CARE & SOCIAL ASSISTANCE	22,542	15,254	1,439	1,631	9.4%	10.7%
7970	Offices of physicians	2,140	1,492	48	54	3.2%	3.6%
7980	Offices of dentists	930	637	14	18	2.3%	2.8%
7990	Offices of chiropractors	131	91	5	5	5.1%	5.1%
8070	Offices of optometrists	116	69	1	2	1.2%	2.9%
8080	Offices of other health practitioners	196	141	6	7	4.0%	5.2%
8090	Outpatient care centers	1,268	830	64	73	7.7%	8.8%
8170	Home health care services	951	668	67	70	10.0%	10.5%
8180	Other health care services	1,327	922	69	76	7.5%	8.2%
8190	Hospitals	8,215	5,608	786	900	14.0%	16.0%
8270	Nursing care facilities	2,852	1,885	164	181	8.7%	9.6%
8290	Residential care facilities, without nursing	982	635	40	49	6.3%	7.7%
8370	Individual and family services	1,341	879	133	148	15.1%	16.8%
8380	Community food and housing, and emergency services	117	74	5	5	6.9%	6.9%
8390	Vocational rehabilitation services	417	255	10	11	4.0%	4.2%
8470	Child day care services	1,559	1,066	26	33	2.5%	3.1%
	ARTS, ENTERTAINMENT, & RECREATION	3,198	2,163	161	174	7.4%	8.0%
8560	Independent artists, performing arts, spectator sports, & related industrie	464	359	47	48	13.0%	13.5%
8570	Museums, art galleries, historical sites, and similar institutions	537	365	45	48	12.4%	13.1%
8580	Bowling centers	87	56	0	0	0.0%	0.0%
8590	Other amusement, gambling, and recreation industries	2,110	1,383	69	77	5.0%	5.6%
	ACCOMODATION & FOOD SERVICES	12,437	8,604	212	254	2.5%	3.0%
8660	Traveler accommodation	2,336	1,362	119	133	8.7%	9.8%
8670	Recreational vehicle parks and camps, and rooming and boarding houses	122	80	0	1	0.0%	0.9%
8680	Restaurants and other food services	9,667	6,964	93	118	1.3%	1.7%
8690	Drinking places, alcoholic beverages	312	198	1	2	0.4%	1.0%
	OTHER SERVICES, EXC. PUBLIC ADMIN.	8,008	5,590	166	192	3.0%	3.4%
8770	Automotive repair and maintenance	1,206	859	17	20	2.0%	2.3%
8780	Car washes	168	136	0	0	0.0%	0.0%
8790	Electronic and precision equipment repair and maintenance	170	123	9	9	7.2%	7.2%
8870	Commercial and industrial machinery and equipment repair and maintenance	296	215	11	11	5.2%	5.2%
8880	Personal and household goods repair and maintenance	155	108	2	2	2.0%	2.0%
8890	Footwear and leather goods repair	8	5	0	0	0.0%	0.0%
8970	Barber shops	59	52	0	0	0.0%	0.0%
8980	Beauty salons	770	550	3	3	0.5%	0.5%
8990	Nail salons and other personal care services	244	199	1	2	0.6%	0.8%
9070	Drycleaning and laundry services	427	314	13	16	4.2%	5.0%
9080	Funeral homes, cemeteries, and crematories	172	118	6	7	4.9%	5.5%
9090	Other personal services	274	192	18	19	9.3%	9.8%
9160	Religious organizations	1,536	1,067	10	17	1.0%	1.6%
9170	Civic, social, advocacy organizations, and grantmaking and giving services	1,024	618	16	24	2.7%	3.8%
9180	Labor unions	103	67	46	47	69.5%	71.1%
9190	Business, professional, political, and similar organizations	330	193	3	6	1.6%	2.9%
9290	Private households	1,066	774	10	11	1.3%	1.4%
	PUBLIC ADMINISTRATION	9,683	6,358	2,032	2,260	32.0%	35.5%
9370	Executive offices and legislative bodies	1,355	863	190	220	22.0%	25.5%
9380	Public finance activities	581	378	105	123	27.8%	32.5%
9390	Other general government and support	167	101	20	22	19.5%	21.7%
9470	Justice, public order, and safety activities	3,651	2,645	1,163	1,232	44.0%	46.6%
9480	Administration of human resource programs	1,358	858	245	269	28.6%	31.4%
9490	Administration of environmental quality and housing programs	571	304	69	86	22.7%	28.3%
9570	Administration of economic programs and space research	926	562	146	176	26.1%	31.4%
9590	National security and international affairs	1,074	647	94	133	14.5%	20.5%
Copyright 2024 by Barry T. Hirsch, David A. Macpherson, and William E. Even.  The use of this data requires citation.