Union Membership, Coverage, Density and Employment by Industry, 2003 (details in table note)
CIC	Industry Name (SIC codes in parentheses)	Obs	Employment	Members	Covered	%Mem	%Cov
	AGRICULTURE, FORESTRY, FISHING, & HUNTING	1,830	1,157,725	26,402	35,389	2.3	3.1
170	Crop production	643	474,183	8,227	9,071	1.7	1.9
180	Animal production	716	395,727	3,854	5,321	1.0	1.3
190	Forestry except logging	118	55,315	6,404	9,221	11.6	16.7
270	Logging	133	72,487	5,276	6,375	7.3	8.8
280	Fishing, hunting, and trapping	56	25,181	1,426	1,609	5.7	6.4
290	Support activities for agriculture and forestry	164	134,833	1,216	3,792	0.9	2.8
	MINING	995	504,430	45,764	53,110	9.1	10.5
370	Oil and gas extraction	105	67,614	8,149	8,149	12.1	12.1
380	Coal mining	173	78,516	18,549	19,311	23.6	24.6
390	Metal ore mining	89	33,248	7,308	8,788	22.0	26.4
470	Nonmetallic mineral mining and quarrying	200	99,010	6,658	10,153	6.7	10.3
480	Not specified type of mining	12	4,971	658	658	13.2	13.2
490	Support activities for mining	416	221,070	4,441	6,050	2.0	2.7
	UTILITIES	1,820	1,199,382	364,536	386,298	30.4	32.2
570	Electric power generation, transmission and distribution	956	604,638	189,017	200,736	31.3	33.2
580	Natural gas distribution	208	136,225	32,138	34,503	23.6	25.3
590	Electric and gas, and other combinations	127	99,685	40,842	41,388	41.0	41.5
670	Water, steam, air-conditioning, and irrigation systems	337	236,589	64,887	69,031	27.4	29.2
680	Sewage treatment facilities	168	103,636	30,278	33,265	29.2	32.1
690	Not specified utilities	24	18,610	7,375	7,375	39.6	39.6
770	CONSTRUCTION	10,943	7,630,352	1,335,250	1,406,424	17.5	18.4
	NONDURABLE GOODS MANUFACTURING	8,653	6,098,509	765,630	821,529	12.6	13.5
1070	Animal food, grain and oilseed milling	235	153,643	28,301	29,648	18.4	19.3
1080	Sugar and confectionery products	153	97,761	14,586	15,387	14.9	15.7
1090	Fruit and vegetable preserving and specialty food manufacturing	207	134,994	24,967	26,770	18.5	19.8
1170	Dairy product manufacturing	226	137,004	28,348	29,055	20.7	21.2
1180	Animal slaughtering and processing	707	447,147	72,045	80,200	16.1	17.9
1190	Retail bakeries	192	132,927	17,383	18,573	13.1	14.0
1270	Bakeries, except retail	292	221,356	38,919	40,830	17.6	18.4
1280	Seafood and other miscellaneous foods, n.e.c.	332	215,075	28,236	28,236	13.1	13.1
1290	Not specified food industries	14	11,028	1,198	1,198	10.9	10.9
1370	Beverage manufacturing	258	194,436	27,920	31,474	14.4	16.2
1390	Tobacco manufacturing	44	37,500	7,865	7,865	21.0	21.0
1470	Fiber, yarn, and thread mills	37	33,351	146	146	0.4	0.4
1480	Fabric mills, except knitting	236	184,420	11,932	11,932	6.5	6.5
1490	Textile and fabric finishing and coating mills	48	32,053	2,783	4,133	8.7	12.9
1570	Carpet and rug mills	68	75,673	4,526	4,526	6.0	6.0
1590	Textile product mills, except carpets and rugs	175	126,029	6,846	7,970	5.4	6.3
1670	Knitting mills	40	30,545	0	0	0.0	0.0
1680	Cut and sew apparel manufacturing	468	375,356	27,410	29,164	7.3	7.8
1690	Apparel accessories and other apparel manufacturing	17	13,275	989	989	7.5	7.5
1770	Footwear manufacturing	63	35,951	3,259	3,259	9.1	9.1
1790	Leather tanning and products, except footwear manufacturing	49	32,297	2,821	2,821	8.7	8.7
1870	Pulp, paper, and paperboard mills	339	232,613	90,005	93,159	38.7	40.0
1880	Paperboard containers and boxes	236	176,548	30,200	31,845	17.1	18.0
1890	Miscellaneous paper and pulp products	194	130,371	18,568	19,736	14.2	15.1
1990	Printing and related support activities	1,044	719,607	40,401	42,767	5.6	5.9
2070	Petroleum refining	174	132,466	34,821	37,161	26.3	28.1
2090	Miscellaneous petroleum and coal products	27	18,469	2,174	2,174	11.8	11.8
2170	Resin, synthetic rubber and fibers, and filaments manufacturing	192	147,570	15,399	17,133	10.4	11.6
2180	Agricultural chemical manufacturing	45	24,847	2,138	2,138	8.6	8.6
2190	Pharmaceutical and medicine manufacturing	647	466,062	21,006	24,423	4.5	5.2
2270	Paint, coating, and adhesive manufacturing	103	74,018	7,590	7,590	10.3	10.3
2280	Soap, cleaning compound, and cosmetics manufacturing	165	120,293	13,272	15,667	11.0	13.0
2290	Industrial and miscellaneous chemicals	632	434,578	58,519	66,769	13.5	15.4
2370	Plastics product manufacturing	747	524,577	38,229	42,949	7.3	8.2
2380	Tire manufacturing	118	87,599	33,440	34,304	38.2	39.2
2390	Rubber products, except tires, manufacturing	129	87,069	9,389	9,539	10.8	11.0
	DURABLE GOODS MANUFACTURING	14,348	10,103,809	1,426,487	1,515,900	14.1	15.0
2470	Pottery, ceramics, and related products manufacturing	39	28,876	5,660	5,660	19.6	19.6
2480	Structural clay product manufacturing	49	36,534	3,339	3,339	9.1	9.1
2490	Glass and glass product manufacturing	183	149,359	32,386	33,304	21.7	22.3
2570	Cement, concrete, lime, and gypsum product manufacturing	306	216,435	20,163	21,267	9.3	9.8
2590	Miscellaneous nonmetallic mineral product manufacturing	114	81,777	10,360	10,360	12.7	12.7
2670	Iron and steel mills and steel product manufacturing	419	295,062	101,416	104,807	34.4	35.5
2680	Aluminum production and processing	137	100,664	45,349	45,349	45.1	45.1
2690	Nonferrous metal, except aluminum, production and processing	89	49,490	10,844	10,844	21.9	21.9
2770	Foundries	150	106,728	19,724	20,409	18.5	19.1
2780	Metal forgings and stampings	95	70,833	12,015	12,015	17.0	17.0
2790	Cutlery and hand tool manufacturing	94	61,572	5,602	6,951	9.1	11.3
2870	Structural metals, and tank and shipping container manufacturing	613	419,706	55,509	61,352	13.2	14.6
2880	Machine shops; turned product; screw, nut and bolt manufacturing	383	276,355	20,158	21,610	7.3	7.8
2890	Coating, engraving, heat treating and allied activities	104	83,281	8,175	8,175	9.8	9.8
2970	Ordnance	66	35,355	5,375	6,018	15.2	17.0
2980	Miscellaneous fabricated metal products manufacturing	477	343,298	43,194	46,155	12.6	13.4
2990	Not specified metal industries	20	12,553	1,679	1,679	13.4	13.4
3070	Agricultural implement manufacturing	142	69,375	12,119	13,335	17.5	19.2
3080	Construction, mining and oil field machinery manufacturing	170	123,820	25,405	25,405	20.5	20.5
3090	Commercial and service industry machinery manufacturing	195	141,939	9,446	10,946	6.7	7.7
3170	Metalworking machinery manufacturing	271	194,937	16,704	17,467	8.6	9.0
3180	Engines, turbines, and power transmission equipment manufacturing	70	51,935	9,179	10,243	17.7	19.7
3190	Machinery manufacturing, n.e.c.	930	641,889	70,062	74,416	10.9	11.6
3290	Not specified machinery manufacturing	7	7,380	719	719	9.7	9.7
3360	Computer and peripheral equipment manufacturing	540	395,883	7,046	8,290	1.8	2.1
3370	Communications, audio, and video equipment manufacturing	262	211,523	6,678	8,709	3.2	4.1
3380	Navigational, measuring, electromedical, & control instruments manufacturin	350	233,230	9,281	11,252	4.0	4.8
3390	Electronic component and product manufacturing, n.e.c.	1,012	712,986	29,699	35,736	4.2	5.0
3470	Household appliance manufacturing	135	101,879	18,808	19,400	18.5	19.0
3490	Electrical lighting, equipment, and supplies manufacturing, n.e.c.	625	423,946	55,235	58,139	13.0	13.7
3570	Motor vehicles and motor vehicle equipment manufacturing	1,791	1,391,940	427,141	439,627	30.7	31.6
3580	Aircraft and parts manufacturing	567	356,301	70,753	85,079	19.9	23.9
3590	Aerospace products and parts manufacturing	348	281,462	44,418	48,641	15.8	17.3
3670	Railroad rolling stock manufacturing	38	24,953	10,303	10,531	41.3	42.2
3680	Ship and boat building	299	169,717	39,512	43,220	23.3	25.5
3690	Other transportation equipment manufacturing	51	38,214	11,957	13,073	31.3	34.2
3770	Sawmills and wood preservation	201	118,720	9,940	9,940	8.4	8.4
3780	Veneer, plywood, and engineered wood products	113	65,567	4,924	5,505	7.5	8.4
3790	Prefabricated wood buildings and mobile homes	97	77,355	1,403	2,241	1.8	2.9
3870	Miscellaneous wood products	339	221,939	19,730	20,067	8.9	9.0
3890	Furniture and related product manufacturing	766	556,925	38,631	42,884	6.9	7.7
3960	Medical equipment and supplies manufacturing	622	440,614	20,523	22,076	4.7	5.0
3970	Toys, amusement, and sporting goods manufacturing	199	134,228	8,252	9,423	6.1	7.0
3980	Miscellaneous manufacturing, n.e.c.	685	399,595	30,884	33,455	7.7	8.4
3990	Not specified manufacturing industries	185	147,676	16,786	16,786	11.4	11.4
	WHOLESALE TRADE	5,685	3,885,728	197,193	212,973	5.1	5.5
4070	Motor vehicles, parts and supplies, merchant wholesalers	266	189,663	7,543	8,194	4.0	4.3
4080	Furniture and home furnishing, merchant wholesalers	109	75,793	2,416	2,416	3.2	3.2
4090	Lumber and other construction materials, merchant wholesalers	283	182,790	10,605	10,605	5.8	5.8
4170	Professional and commercial equipment and supplies, merchant wholesalers	537	386,969	2,838	4,529	0.7	1.2
4180	Metals and minerals, except petroleum, merchant wholesalers	91	63,658	5,140	5,367	8.1	8.4
4190	Electrical goods, merchant wholesalers	359	239,175	10,599	11,021	4.4	4.6
4260	Hardware, plumbing and heating equipment, and supplies, merchant wholesaler	262	174,418	4,178	5,986	2.4	3.4
4270	Machinery, equipment, and supplies, merchant wholesalers	637	427,227	19,077	20,045	4.5	4.7
4280	Recyclable material, merchant wholesalers	95	63,988	981	981	1.5	1.5
4290	Miscellaneous durable goods, merchant wholesalers	206	148,628	4,160	4,160	2.8	2.8
4370	Paper and paper products, merchant wholesalers	145	100,451	4,193	4,193	4.2	4.2
4380	Drugs, sundries, and chemical and allied products, merchant  wholesalers	343	241,072	11,141	11,141	4.6	4.6
4390	Apparel, fabrics, and notions, merchant wholesalers	105	78,164	2,964	2,964	3.8	3.8
4470	Groceries and related products, merchant wholesalers	1,209	847,496	86,957	94,049	10.3	11.1
4480	Farm product raw materials, merchant wholesalers	150	66,177	644	644	1.0	1.0
4490	Petroleum and petroleum products, merchant wholesalers	199	131,461	1,973	1,973	1.5	1.5
4560	Alcoholic beverages, merchant wholesalers	175	123,214	11,387	12,652	9.2	10.3
4570	Farm supplies, merchant wholesalers	124	68,860	1,346	1,346	2.0	2.0
4580	Miscellaneous  nondurable goods, merchant wholesalers	291	198,534	6,699	8,353	3.4	4.2
4585	Wholesale electronic markets, agents and brokers	59	45,104	1,616	1,616	3.6	3.6
4590	Not specified wholesale trade	40	32,885	737	737	2.2	2.2
	RETAIL TRADE	21,516	14,534,609	939,476	1,007,164	6.5	6.9
4670	Automobile dealers	1,895	1,301,742	48,264	50,050	3.7	3.8
4680	Other motor vehicle dealers	215	125,174	2,659	2,659	2.1	2.1
4690	Auto parts, accessories, and tire stores	633	421,936	11,791	14,643	2.8	3.5
4770	Furniture and home furnishings stores	810	555,496	8,444	9,675	1.5	1.7
4780	Household appliance stores	91	70,234	0	0	0.0	0.0
4790	Radio, TV, and computer stores	789	570,164	15,787	20,287	2.8	3.6
4870	Building material and supplies dealers	1,314	888,032	30,781	32,213	3.5	3.6
4880	Hardware stores	298	175,261	1,010	2,240	0.6	1.3
4890	Lawn and garden equipment and supplies stores	413	251,923	1,628	1,628	0.6	0.6
4970	Grocery stores	3,821	2,541,245	610,778	634,483	24.0	25.0
4980	Specialty food stores	348	256,039	4,422	8,276	1.7	3.2
4990	Beer, wine, and liquor stores	129	80,540	3,352	4,410	4.2	5.5
5070	Pharmacies and drug stores	1,012	684,388	41,630	45,073	6.1	6.6
5080	Health and personal care, except drug, stores	315	232,640	6,179	6,179	2.7	2.7
5090	Gasoline stations	736	453,410	5,738	9,033	1.3	2.0
5170	Clothing and accessories, except shoe, stores	1,037	733,867	15,720	19,090	2.1	2.6
5180	Shoe stores	186	138,583	0	0	0.0	0.0
5190	Jewelry, luggage, and leather goods stores	236	161,665	4,365	6,089	2.7	3.8
5270	Sporting goods, camera, and hobby and toy stores	587	384,418	3,783	3,783	1.0	1.0
5280	Sewing, needlework, and piece goods stores	74	52,222	1,049	1,049	2.0	2.0
5290	Music stores	148	117,216	799	1,084	0.7	0.9
5370	Book stores and news dealers	244	172,944	6,538	6,635	3.8	3.8
5380	Department stores and discount stores	3,316	2,266,769	73,596	79,189	3.2	3.5
5390	Miscellaneous general merchandise stores	531	357,767	18,882	22,978	5.3	6.4
5470	Retail florists	218	134,719	526	526	0.4	0.4
5480	Office supplies and stationery stores	257	178,438	3,293	4,027	1.8	2.3
5490	Used merchandise stores	184	116,211	1,177	1,177	1.0	1.0
5570	Gift, novelty, and souvenir shops	314	200,008	2,212	3,018	1.1	1.5
5580	Miscellaneous retail stores	503	340,496	1,371	3,181	0.4	0.9
5590	Electronic shopping	81	52,726	0	0	0.0	0.0
5591	Electronic auctions	1	413	0	0	0.0	0.0
5592	Mail order houses	149	87,006	2,677	2,677	3.1	3.1
5670	Vending machine operators	84	55,629	2,100	2,100	3.8	3.8
5680	Fuel dealers	167	90,914	4,355	5,140	4.8	5.7
5690	Other direct selling establishments	174	122,706	2,534	2,534	2.1	2.1
5790	Not specified retail trade	206	161,667	2,038	2,038	1.3	1.3
	TRANSPORTATION & WAREHOUSING	7,587	5,256,800	1,799,709	1,908,867	34.2	36.3
6070	Air transportation	908	628,708	300,265	309,774	47.8	49.3
6080	Rail transportation	441	263,961	184,804	187,639	70.0	71.1
6090	Water transportation	97	70,235	18,047	18,894	25.7	26.9
6170	Truck transportation	2,129	1,495,202	181,914	196,031	12.2	13.1
6180	Bus service and urban transit	683	487,399	215,573	223,756	44.2	45.9
6190	Taxi and limousine service	194	150,810	12,639	14,577	8.4	9.7
6270	Pipeline transportation	46	24,995	4,916	4,916	19.7	19.7
6280	Scenic and sightseeing transportation	54	31,658	2,050	2,050	6.5	6.5
6290	Services incidental to transportation	670	468,320	103,382	112,094	22.1	23.9
6370	Postal Service	1,315	848,235	559,330	616,891	65.9	72.7
6380	Couriers and messengers	781	578,635	194,777	200,233	33.7	34.6
6390	Warehousing and storage	269	208,641	22,012	22,012	10.6	10.6
	INFORMATION	4,917	3,465,302	472,860	511,754	13.6	14.8
6470	Newspaper publishers	683	428,765	49,238	49,238	11.5	11.5
6480	Publishing, except newspapers and software	467	335,946	9,176	11,190	2.7	3.3
6490	Software publishing	24	18,127	0	0	0.0	0.0
6570	Motion pictures and video industries	407	313,483	38,155	42,425	12.2	13.5
6590	Sound recording industries	28	23,304	1,724	3,490	7.4	15.0
6670	Radio and television broadcasting and cable	722	495,174	45,479	49,025	9.2	9.9
6675	Internet publishing and broadcasting	7	4,910	0	0	0.0	0.0
6680	Wired telecommunications carriers	1,562	1,134,634	264,299	282,604	23.3	24.9
6690	Other telecommunications services	372	284,255	32,117	33,420	11.3	11.8
6692	Internet service providers	81	56,007	0	1,183	0.0	2.1
6695	Data processing, hosting, and related services	140	101,838	288	288	0.3	0.3
6770	Libraries and archives	313	197,913	27,708	31,473	14.0	15.9
6780	Other information services	111	70,948	4,677	7,420	6.6	10.5
	FINANCE & INSURANCE	9,509	6,346,857	113,673	162,947	1.8	2.6
6870	Banking and related activities	2,874	1,861,243	25,834	41,328	1.4	2.2
6880	Savings institutions, including credit unions	481	289,957	16,519	20,218	5.7	7.0
6890	Non-depository credit and related activities	1,543	1,082,244	14,748	20,834	1.4	1.9
6970	Securities, commodities, funds, trusts, and other financial investments	1,310	916,102	14,833	25,972	1.6	2.8
6990	Insurance carriers and related activities	3,301	2,197,311	41,739	54,596	1.9	2.5
	REAL ESTATE & RENTAL & LEASING	3,109	2,208,059	102,497	122,577	4.6	5.6
7070	Real estate	2,455	1,731,752	84,868	101,132	4.9	5.8
7080	Automotive equipment rental and leasing	253	181,090	8,679	8,679	4.8	4.8
7170	Video tape and disk rental	136	105,815	0	2,975	0.0	2.8
7180	Other consumer goods rental	122	93,703	1,254	1,254	1.3	1.3
7190	Commercial, industrial, and other intangible assets rental and leasing	143	95,699	7,697	8,538	8.0	8.9
	PROF., SCIENTIFIC, TECHNICAL SERVICES	9,043	6,349,880	115,440	161,146	1.8	2.5
7270	Legal services	1,746	1,175,746	19,642	29,297	1.7	2.5
7280	Accounting, tax preparation, bookkeeping, and payroll services	944	656,776	7,331	10,731	1.1	1.6
7290	Architectural, engineering, and related services	1,634	1,113,155	37,429	43,882	3.4	3.9
7370	Specialized design services	227	170,812	1,992	2,733	1.2	1.6
7380	Computer systems design and related services	1,764	1,349,544	16,711	27,237	1.2	2.0
7390	Management, scientific, and technical consulting services	831	576,348	6,449	9,648	1.1	1.7
7460	Scientific research and development services	736	493,085	16,462	24,707	3.3	5.0
7470	Advertising and related services	560	412,024	8,410	9,841	2.0	2.4
7480	Veterinary services	307	197,122	1,014	2,696	0.5	1.4
7490	Other professional, scientific, and technical services	294	205,267	0	374	0.0	0.2
	MANAGEMENT & RELATED SERVICES	6,443	4,614,020	192,869	228,551	4.2	5.0
7570	Management of companies and enterprises	55	34,126	810	810	2.4	2.4
7580	Employment services	1,235	898,418	20,051	28,220	2.2	3.1
7590	Business support services	1,000	659,544	7,882	10,555	1.2	1.6
7670	Travel arrangements and reservation services	393	246,769	1,772	3,672	0.7	1.5
7680	Investigation and security services	888	659,912	36,193	43,094	5.5	6.5
7690	Services to buildings and dwellings	1,151	835,335	46,560	53,918	5.6	6.5
7770	Landscaping services	902	715,099	20,455	23,319	2.9	3.3
7780	Other administrative and other support services	300	217,768	5,966	8,653	2.7	4.0
7790	Waste management and remediation services	519	347,049	53,180	56,310	15.3	16.2
	EDUCATIONAL SERVICES	17,993	11,580,855	3,935,533	4,438,313	34.0	38.3
7860	Elementary and secondary schools	12,541	8,093,833	3,474,764	3,878,521	42.9	47.9
7870	Colleges and universities, including junior colleges	4,896	3,100,010	439,684	536,089	14.2	17.3
7880	Business, technical, and trade schools and training	135	83,922	5,632	6,446	6.7	7.7
7890	Other schools, instruction, and educational services	421	303,089	15,452	17,256	5.1	5.7
	HEALTH CARE & SOCIAL ASSISTANCE	22,962	15,115,461	1,407,472	1,614,626	9.3	10.7
7970	Offices of physicians	2,099	1,416,211	21,527	31,460	1.5	2.2
7980	Offices of dentists	931	625,052	11,023	12,747	1.8	2.0
7990	Offices of chiropractors	135	78,521	0	159	0.0	0.2
8070	Offices of optometrists	132	84,653	0	0	0.0	0.0
8080	Offices of other health practitioners	160	115,951	2,110	4,776	1.8	4.1
8090	Outpatient care centers	1,330	847,357	80,569	84,889	9.5	10.0
8170	Home health care services	937	664,298	50,384	58,650	7.6	8.8
8180	Other health care services	1,385	934,848	63,119	71,475	6.8	7.6
8190	Hospitals	8,548	5,647,752	796,269	910,060	14.1	16.1
8270	Nursing care facilities	2,911	1,844,055	174,090	187,771	9.4	10.2