Union Membership, Coverage, Density and Employment by Industry: 2018
CIC	Industry	Obs	Employment (in 1000s)	Members (in 1000s)	Covered (in 1000s)	% Mem	% Cov
	AGRICULTURE, FORESTRY, FISHING, & HUNTING	1,803	1,384	33	40	2.4%	2.9%
170	Crop production	816	700	18	22	2.6%	3.2%
180	Animal production	597	400	4	5	1.1%	1.2%
190	Forestry except logging	67	33	4	5	11.1%	14.4%
270	Logging	117	79	4	5	4.8%	6.1%
280	Fishing, hunting, and trapping	63	38	0	0	0.9%	0.9%
290	Support activities for agriculture and forestry	143	133	3	3	2.2%	2.2%
	MINING	1,264	726	34	39	4.7%	5.3%
370	Oil and gas extraction	107	69	3	4	4.6%	5.3%
380	Coal mining	158	65	5	5	7.3%	7.5%
390	Metal ore mining	52	26	3	4	12.3%	15.5%
470	Nonmetallic mineral and not specified mining, and quarrying	176	104	12	13	11.6%	12.4%
490	Support activities for mining	771	461	11	13	2.4%	2.9%
	UTILITIES	11,177	9,887	1,468	1,561	14.8%	15.8%
570	Electric power generation, transmission and distribution	894	728	171	176	23.5%	24.1%
580	Natural gas distribution	162	136	23	24	16.7%	17.5%
590	Electric and gas, and other combinations	141	129	29	29	22.4%	22.5%
670	Water, steam, air conditioning, and irrigation systems	303	247	52	54	21.2%	22.0%
680	Sewage treatment facilities	105	90	23	27	25.3%	30.6%
690	Not specified utilities	25	21	6	6	26.3%	28.8%
770	CONSTRUCTION	9,547	8,534	1,164	1,244	13.6%	14.6%
	NONDURABLE GOODS MANUFACTURING	6,208	5,471	492	530	9.0%	9.7%
1070	Animal food, grain, and oilseed milling	196	155	10	10	6.5%	6.5%
1080	Sugar and confectionery products	99	71	10	10	14.6%	14.6%
1090	Fruit and vegetable preserving and specialty food manufacturing	177	153	20	21	13.1%	14.0%
1170	Dairy product manufacturing	229	167	13	14	7.8%	8.5%
1180	Animal slaughtering and processing	682	500	83	89	16.5%	17.8%
1190	Retail bakeries	252	220	20	22	9.2%	10.0%
1270	Bakeries, except retail	209	202	23	26	11.5%	12.8%
1280	Seafood and other miscellaneous foods, n.e.c.	226	189	20	21	10.4%	11.4%
1290	Not specified food industries	71	61	5	5	8.9%	8.9%
1370	Beverage manufacturing	315	304	30	30	9.7%	9.7%
1390	Tobacco manufacturing	15	19	2	2	12.4%	12.4%
1470	Fiber, yarn, and thread mills	10	10	0	0	0.0%	0.0%
1480	Fabric mills, except knitting	98	94	2	2	2.5%	2.5%
1490	Textile and fabric finishing and coating mills	14	12	0	0	0.0%	0.0%
1570	Carpet and rug mills	65	66	1	1	1.0%	1.0%
1590	Textile product mills, except carpet and rug	83	84	1	1	1.2%	1.2%
1670	Knitting mills, and apparel knitting mills	20	18	1	1	6.9%	6.9%
1680	Cut and sew apparel manufacturing	181	191	8	11	3.9%	5.6%
1690	Apparel accessories and other apparel manufacturing	10	10	0	0	0.0%	0.0%
1770	Footwear manufacturing	33	28	2	2	7.1%	7.1%
1790	Leather tanning and finishing and other allied products manufacturing	21	19	0	0	0.0%	0.0%
1870	Pulp, paper, and paperboard mills	243	200	66	69	33.0%	34.6%
1880	Paperboard containers and boxes	100	98	15	17	15.0%	17.4%
1890	Miscellaneous paper and pulp products	76	64	7	7	11.1%	11.1%
1990	Printing and related support activities	483	440	14	17	3.3%	3.9%
2070	Petroleum refining	216	153	27	29	17.9%	18.9%
2090	Miscellaneous petroleum and coal products	32	28	4	4	13.5%	13.5%
2170	Resin, synthetic rubber and fibers, and filaments manufacturing	181	178	4	6	2.5%	3.2%
2180	Agricultural chemical manufacturing	47	34	1	1	1.6%	1.6%
2190	Pharmaceutical and medicine manufacturing	586	571	15	16	2.7%	2.9%
2270	Paint, coating, and adhesives manufacturing	70	72	5	5	7.3%	7.3%
2280	Soap, cleaning compound, and cosmetic manufacturing	124	136	8	9	5.5%	6.8%
2290	Industrial and miscellaneous chemicals	489	416	34	37	8.2%	8.9%
2370	Plastics product manufacturing	397	369	25	25	6.6%	6.7%
2380	Tire manufacturing	68	59	9	11	14.9%	17.8%
2390	Rubber products, except tires, manufacturing	90	81	8	8	9.3%	9.5%
	DURABLE GOODS MANUFACTURING	10,453	9,480	867	936	9.1%	9.9%
2470	Pottery, ceramics, and plumbing fixture manufacturing	22	14	2	2	15.6%	15.6%
2480	Structural clay product manufacturing	26	24	1	3	5.7%	13.7%
2490	Glass and glass product manufacturing	142	145	14	14	9.8%	9.8%
2570	Cement, concrete, lime, and gypsum product manufacturing	224	186	21	23	11.4%	12.2%
2590	Miscellaneous nonmetallic mineral product manufacturing	105	99	6	7	6.1%	7.1%
2670	Iron and steel mills and steel product manufacturing	298	267	66	67	24.8%	25.2%
2680	Aluminum production and processing	76	64	14	14	21.9%	21.9%
2690	Nonferrous metal (except aluminum) production and processing	58	43	4	4	8.2%	8.2%
2770	Foundries	78	70	8	8	11.6%	11.6%
2780	Metal forgings and stampings	62	59	6	6	9.8%	9.8%
2790	Cutlery and hand tool manufacturing	39	35	1	1	3.6%	3.6%
2870	Structural metals, and boiler, tank, and shipping container manufacturing	365	324	30	33	9.2%	10.1%
2880	Machine shops; turned product; screw, nut, and bolt manufacturing	316	282	10	11	3.4%	3.9%
2890	Coating, engraving, heat treating and allied activities	75	73	4	4	5.6%	5.6%
2970	Ordnance	75	48	6	7	12.5%	14.8%
2980	Miscellaneous fabricated metal products manufacturing	344	313	25	30	8.0%	9.6%
2990	Not specified metal industries	23	24	0	0	0.0%	0.0%
3070	Agricultural implement manufacturing	152	107	12	13	11.0%	11.7%
3080	Construction, and mining and oil and gas field machinery manufacturing	191	142	14	14	9.7%	9.7%
3095	Commercial and service industry machinery manufacturing	73	73	2	2	2.5%	2.5%
3170	Metalworking machinery manufacturing	139	125	11	11	8.7%	8.7%
3180	Engines, turbines, and power transmission equipment manufacturing	59	50	1	2	2.8%	3.8%
3190	Machinery manufacturing, n.e.c.	745	689	45	50	6.6%	7.3%
3365	Computer and peripheral equipment manufacturing	198	185	1	1	0.7%	0.7%
3370	Communications, and audio and video equipment manufacturing	120	117	1	3	1.2%	2.6%
3380	Navigational, measuring, electromedical, and control instruments manufacturing	237	202	12	13	6.1%	6.7%
3390	Electronic component and product manufacturing, n.e.c.	683	614	19	23	3.1%	3.8%
3470	Household appliance manufacturing	78	72	5	5	6.9%	6.9%
3490	Electrical lighting and electrical equipment manufacturing, and other electrical	361	323	15	18	4.6%	5.5%
3570	Motor vehicles and motor vehicle equipment manufacturing	1,451	1,416	235	245	16.6%	17.3%
3580	Aircraft and parts manufacturing	842	794	126	131	15.9%	16.6%
3590	Aerospace product and parts manufacturing	55	50	3	3	5.2%	5.2%
3670	Railroad rolling stock manufacturing	32	31	4	7	14.6%	21.8%
3680	Ship and boat building	214	163	40	45	24.4%	27.4%
3690	Other transportation equipment manufacturing	41	38	4	4	9.8%	9.8%
3770	Sawmills and wood preservation	183	142	6	7	4.0%	4.9%
3780	Veneer, plywood, and engineered wood products	41	29	2	2	5.3%	5.3%
3790	Prefabricated wood buildings and mobile homes	49	41	1	1	1.7%	1.7%
3875	Miscellaneous wood products	216	203	4	5	1.8%	2.2%
3895	Furniture and related product manufacturing	426	374	30	32	8.1%	8.6%
3960	Medical equipment and supplies manufacturing	660	606	14	17	2.3%	2.8%
3970	Sporting and athletic goods, and doll, toy and game manufacturing	119	106	4	6	3.4%	5.7%
3980	Miscellaneous manufacturing, n.e.c.	500	453	25	29	5.6%	6.4%
3990	Not specified manufacturing industries	260	266	13	15	4.8%	5.6%
	WHOLESALE TRADE	3,788	3,363	141	162	4.2%	4.8%
4070	Motor vehicles, parts and supplies, merchant wholesalers	189	170	3	5	2.0%	2.8%
4080	Furniture and home furnishing, merchant wholesalers	61	61	2	2	3.9%	3.9%
4090	Lumber and other construction materials, merchant wholesalers	177	152	5	5	3.0%	3.0%
4170	Professional and commercial equipment and supplies, merchant wholesalers	338	321	4	6	1.2%	1.9%
4180	Metals and minerals, except petroleum, merchant wholesalers	45	42	2	2	5.2%	5.2%
4195	Electrical and electronic goods, merchant wholesalers	223	202	4	6	1.8%	2.8%
4265	Hardware, plumbing and heating equipment, and supplies, merchant wholesalers	157	131	2	3	1.7%	2.4%
4270	Machinery, equipment, and supplies, merchant wholesalers	372	314	6	9	2.0%	3.0%
4280	Recyclable material, merchant wholesalers	96	89	1	1	1.1%	1.1%
4290	Miscellaneous durable goods, merchant wholesalers	72	58	1	1	2.0%	2.0%
4370	Paper and paper products, merchant wholesalers	57	47	3	4	6.2%	8.4%
4380	Drugs, sundries, and chemical and allied products, merchant wholesalers	244	230	13	14	5.6%	6.2%
4390	Apparel, fabrics, and notions, merchant wholesalers	85	88	1	2	1.3%	1.8%
4470	Groceries and related products, merchant wholesalers	882	821	75	80	9.1%	9.8%
4480	Farm product raw materials, merchant wholesalers	111	65	0	0	0.0%	0.0%
4490	Petroleum and petroleum products, merchant wholesalers	169	128	4	4	3.4%	3.4%
4560	Alcoholic beverages, merchant wholesalers	130	103	8	8	7.3%	7.3%
4570	Farm supplies, merchant wholesalers	71	55	0	2	0.2%	2.9%
4580	Miscellaneous nondurable goods, merchant wholesalers	180	156	2	3	1.1%	1.9%
4585	Wholesale electronics markets, agents and brokers	76	76	3	4	4.1%	5.7%
4590	Not specified wholesale trade	53	54	1	1	2.2%	2.2%
	RETAIL TRADE	17,483	15,462	679	780	4.4%	5.0%
4670	Automobile dealers	1,471	1,306	33	39	2.5%	3.0%
4680	Other motor vehicle dealers	173	137	3	3	2.2%	2.2%
4690	Auto parts, accessories, and tire stores	581	480	7	11	1.4%	2.2%
4770	Furniture and home furnishings stores	569	524	14	18	2.8%	3.4%
4780	Household appliance stores	71	65	1	2	1.7%	2.9%
4795	Radio, TV, and computer stores	501	486	13	17	2.6%	3.5%
4870	Building material and supplies dealers	1,196	1,034	19	23	1.8%	2.2%
4880	Hardware stores	251	194	0	2	0.0%	1.0%
4890	Lawn and garden equipment and supplies stores	318	229	3	3	1.3%	1.3%
4970	Grocery stores	3,085	2,721	380	407	14.0%	15.0%
4980	Specialty food stores	195	170	7	9	4.3%	5.2%
4990	Beer, wine, and liquor stores	125	112	2	2	2.0%	2.2%
5070	Pharmacies and drug stores	1,053	930	45	52	4.8%	5.6%
5080	Health and personal care, except drug, stores	398	353	6	8	1.8%	2.2%
5090	Gasoline stations	522	437	8	8	1.7%	1.7%
5170	Clothing stores	940	915	23	27	2.5%	3.0%
5180	Shoe stores	157	146	1	2	0.8%	1.7%
5190	Jewelry, luggage, and leather goods stores	152	136	1	1	0.5%	0.5%
5275	Sporting goods, camera, and hobby and toy stores	502	418	2	5	0.5%	1.1%
5280	Sewing, needlework and piece goods stores	37	29	0	0	0.0%	0.7%
5295	Music stores	28	25	0	0	0.0%	0.0%
5370	Book stores and news dealers	102	90	7	7	7.8%	7.8%
5380	Department stores and discount stores	2,252	1,954	55	70	2.8%	3.6%
5390	Miscellaneous general merchandise stores	669	600	14	24	2.3%	4.0%
5470	Retail florists	85	73	1	1	1.5%	1.5%
5480	Office supplies and stationery stores	160	152	3	4	1.7%	2.7%
5490	Used merchandise stores	240	213	1	1	0.5%	0.6%
5570	Gift, novelty, and souvenir shops	148	121	6	6	5.1%	5.1%
5580	Miscellaneous retail stores	490	440	4	4	1.0%	1.0%
5590	Electronic shopping	328	340	8	10	2.3%	2.8%
5591	Electronic auctions	19	19	0	0	0.0%	0.0%
5592	Mail order houses	68	66	1	1	1.5%	1.5%
5670	Vending machine operators	44	41	0	0	0.0%	0.0%
5680	Fuel dealers	109	61	3	4	5.4%	5.8%
5690	Other direct selling establishments	91	80	1	2	1.2%	3.0%
5790	Not specified retail trade	353	365	6	8	1.7%	2.2%
	TRANSPORTATION & WAREHOUSING	7,030	6,447	1,524	1,622	23.6%	25.2%
6070	Air transportation	687	614	222	234	36.2%	38.0%
6080	Rail transportation	306	223	140	143	62.8%	64.0%
6090	Water transportation	93	85	19	21	22.3%	24.4%
6170	Truck transportation	1,832	1,591	131	139	8.2%	8.8%
6180	Bus service and urban transit	590	569	235	254	41.2%	44.6%
6190	Taxi and limousine service	446	485	26	30	5.3%	6.2%
6270	Pipeline transportation	88	64	10	11	15.5%	17.1%
6280	Scenic and sightseeing transportation	43	30	1	1	2.4%	3.1%
6290	Services incidental to transportation	822	777	130	146	16.7%	18.8%
6370	Postal Service	719	628	415	434	66.1%	69.2%
6380	Couriers and messengers	794	744	160	167	21.6%	22.5%
6390	Warehousing and storage	610	637	35	42	5.5%	6.7%
	INFORMATION	3,013	2,719	285	303	10.5%	11.2%
6470	Newspaper publishers	233	178	13	14	7.5%	8.1%
6480	Periodical, book, and directory publishers	199	180	3	3	1.5%	1.5%
6490	Software publishers	83	83	1	1	1.3%	1.3%
6570	Motion pictures and video industries	381	380	51	51	13.3%	13.5%
6590	Sound recording industries	19	21	1	1	5.0%	5.0%
6670	Radio and television broadcasting and cable subscription programming	599	540	44	49	8.2%	9.1%
6672	Internet publishing and broadcasting and web search portals	144	156	0	1	0.1%	0.9%
6680	Wired telecommunications carriers	481	432	81	85	18.9%	19.6%
6690	Other telecommunication services	466	424	51	55	12.1%	13.0%
6695	Data processing, hosting, and related services	103	92	0	0	0.0%	0.0%
6770	Libraries and archives	271	210	38	42	18.2%	20.1%
6780	Other information services	34	22	0	0	1.3%	1.3%
	FINANCE & INSURANCE	7,694	6,865	118	159	1.7%	2.3%
6870	Banking and related activities	2,354	1,998	36	47	1.8%	2.3%
6880	Savings institutions, including credit unions	331	260	4	6	1.5%	2.1%
6890	Non-depository credit and related activities	995	921	10	14	1.1%	1.5%
6970	Securities, commodities, funds, trusts, and other financial investments	1,167	1,109	12	21	1.1%	1.9%
6990	Insurance carriers and related activities	2,847	2,579	57	71	2.2%	2.8%
	REAL ESTATE & RENTAL & LEASING	2,638	2,453	110	134	4.5%	5.5%
7070	Real estate	2,234	2,080	95	115	4.6%	5.5%
7080	Automotive equipment rental and leasing	182	173	9	10	5.0%	5.9%
7170	Video tape and disk rental	7	9	0	0	0.0%	0.0%
7180	Other consumer goods rental	94	90	1	1	1.4%	1.4%
7190	Commercial, industrial, and other intangible assets rental and leasing	121	101	5	7	5.3%	7.3%
	PROF., SCIENTIFIC, TECHNICAL SERVICES	10,971	9,973	191	252	1.9%	2.5%
7270	Legal services	1,545	1,336	28	37	2.1%	2.7%
7280	Accounting, tax preparation, bookkeeping, and payroll services	971	870	16	19	1.8%	2.1%
7290	Architectural, engineering, and related services	1,766	1,569	63	71	4.0%	4.5%
7370	Specialized design services	209	203	5	10	2.7%	5.0%
7380	Computer systems design and related services	3,134	3,063	32	50	1.0%	1.6%
7390	Management, scientific, and technical consulting services	1,260	1,116	12	23	1.1%	2.1%
7460	Scientific research and development services	765	632	17	24	2.7%	3.8%
7470	Advertising and related services	543	507	7	10	1.5%	1.9%
7480	Veterinary services	446	380	5	5	1.4%	1.4%
7490	Other professional, scientific, and technical services	332	297	4	4	1.5%	1.5%
	MANAGEMENT & RELATED SERVICES	6,013	5,696	289	326	5.1%	5.7%
7570	Management of companies and enterprises	203	191	6	7	3.3%	3.4%
7580	Employment services	970	945	17	24	1.8%	2.5%
7590	Business support services	674	630	13	15	2.0%	2.4%
7670	Travel arrangements and reservation services	277	256	4	5	1.6%	1.8%
7680	Investigation and security services	825	790	65	71	8.2%	9.0%
7690	Services to buildings and dwellings	1,251	1,214	78	88	6.4%	7.3%
7770	Landscaping services	938	896	20	22	2.2%	2.5%
7780	Other administrative and other support services	327	303	9	12	3.1%	3.9%
7790	Waste management and remediation services	548	471	76	82	16.2%	17.4%
	EDUCATIONAL SERVICES	16,193	13,716	4,108	4,586	30.0%	33.4%
7860	Elementary and secondary schools	10,952	9,190	3,550	3,916	38.6%	42.6%
7870	Colleges and universities, including junior colleges	4,498	3,855	510	613	13.2%	15.9%
7880	Business, technical, and trade schools and training	94	76	14	17	18.6%	21.9%
7890	Other schools, instruction, and educational services	649	595	34	41	5.7%	6.8%
	HEALTH CARE & SOCIAL ASSISTANCE	23,021	19,876	1,667	1,895	8.4%	9.5%
7970	Offices of physicians	1,636	1,460	45	61	3.1%	4.2%
7980	Offices of dentists	906	770	9	13	1.2%	1.7%
7990	Offices of chiropractors	116	88	1	1	0.8%	0.8%
8070	Offices of optometrists	179	144	3	3	2.3%	2.3%
8080	Offices of other health practitioners	175	160	3	3	1.7%	1.9%
8090	Outpatient care centers	2,169	1,803	111	128	6.2%	7.1%
8170	Home health care services	1,511	1,392	107	119	7.7%	8.5%
8180	Other health care services	1,629	1,490	95	111	6.4%	7.4%
8190	Hospitals	8,357	7,060	929	1,038	13.2%	14.7%
8270	Nursing care facilities	1,924	1,659	96	111	5.8%	6.7%
8290	Residential care facilities, without nursing	1,052	905	42	47	4.6%	5.2%
8370	Individual and family services	1,702	1,469	176	196	12.0%	13.4%
8380	Community food and housing, and emergency services	158	125	7	7	5.6%	5.8%
8390	Vocational rehabilitation services	113	98	4	4	4.4%	4.4%
8470	Child day care services	1,394	1,253	38	51	3.0%	4.1%
	ARTS, ENTERTAINMENT, & RECREATION	3,146	2,740	192	217	7.0%	7.9%
8560	Independent artists, performing arts, spectator sports, & related industrie	511	491	53	60	10.7%	12.3%
8570	Museums, art galleries, historical sites, and similar institutions	405	321	35	41	11.1%	12.7%
8580	Bowling centers	53	40	0	0	0.0%	0.0%
8590	Other amusement, gambling, and recreation industries	2,177	1,888	103	116	5.5%	6.2%
	ACCOMODATION & FOOD SERVICES	11,468	10,290	242	289	2.4%	2.8%
8660	Traveler accommodation	1,640	1,288	114	128	8.8%	10.0%
8670	Recreational vehicle parks and camps, and rooming and boarding houses	117	96	0	0	0.0%	0.1%
8680	Restaurants and other food services	9,448	8,685	128	160	1.5%	1.8%
8690	Drinking places, alcoholic beverages	263	221	0	0	0.0%	0.0%
	OTHER SERVICES, EXC. PUBLIC ADMIN.	7,151	6,223	163	191	2.6%	3.1%
8770	Automotive repair and maintenance	1,127	1,021	20	23	2.0%	2.3%
8780	Car washes	155	149	3	5	2.2%	3.5%
8790	Electronic and precision equipment repair and maintenance	94	85	1	1	1.2%	1.2%
8870	Commercial and industrial machinery and equipment repair and maintenance	268	221	15	18	7.0%	8.3%
8880	Personal and household goods repair and maintenance	115	105	1	2	1.0%	2.1%
8970	Barber shops	60	60	1	1	2.3%	2.3%
8980	Beauty salons	680	653	5	8	0.7%	1.2%
8990	Nail salons and other personal care services	392	395	1	1	0.2%	0.3%
9070	Drycleaning and laundry services	271	254	15	15	6.1%	6.1%
9080	Funeral homes, cemeteries, and crematories	140	112	1	3	1.3%	2.2%
9090	Other personal services	308	297	13	19	4.4%	6.5%
9160	Religious organizations	1,263	1,039	15	19	1.5%	1.8%
9170	Civic, social, advocacy organizations, and grantmaking and giving services	1,118	840	19	21	2.3%	2.5%
9180	Labor unions	82	65	42	42	63.7%	64.1%
9190	Business, professional, political, and similar organizations	248	166	5	7	2.7%	3.9%
9290	Private households	830	761	5	5	0.6%	0.7%
	PUBLIC ADMINISTRATION	9,341	7,358	2,138	2,353	29.1%	32.0%
9370	Executive offices and legislative bodies	1,559	1,217	254	279	20.9%	22.9%
9380	Public finance activities	426	331	75	93	22.6%	28.0%
9390	Other general government and support	153	127	26	33	20.3%	26.2%
9470	Justice, public order, and safety activities	3,365	2,851	1,174	1,246	41.2%	43.7%
9480	Administration of human resource programs	1,313	1,083	270	298	25.0%	27.5%
9490	Administration of environmental quality and housing programs	432	266	59	65	22.4%	24.6%
9570	Administration of economic programs and space research	805	548	149	164	27.1%	29.9%
9590	National security and international affairs	1,288	935	130	174	14.0%	18.6%
Copyright 2024 by Barry T. Hirsch, David A. Macpherson, and William E. Even.  The use of this data requires citation.