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 27,615 3.8 4.2
892 Management and public relations services 1,024 744,035 14,270 22,621 1.9 3.0
893 Miscellaneous professional and related services 81 57,395 2,407 2,407 4.2 4.2
PUBLIC ADMINISTRATION 9,064 6,081,788 1,959,637 2,208,798 32.2 36.3
900 Executive and legislative offices 268 146,065 13,471 16,829 9.2 11.5
901 General government, n.e.c. 1,110 733,937 174,829 198,837 23.8 27.1
910 Justice, public order, and safety 3,496 2,522,736 1,132,788 1,210,931 44.9 48.0
921 Public finance, taxation, and monetary policy 552 371,117 121,725 149,247 32.8 40.2
922 Administration of human resources programs 1,297 857,346 236,561 274,178 27.6 32.0
930 Administration of environ. quality & housing programs 497 263,378 67,473 80,072 25.6 30.4
931 Administration of economic programs 960 593,910 141,344 175,819 23.8 29.6
932 National security and international affairs 884 593,299 71,445 102,886 12.0 17.3
               
Data Sources: Current Population Survey (CPS) Outgoing Rotation Group (ORG) Earnings Files, 2001. Sample includes
employed wage and salary workers, ages 16 and over. Variable definitions are: CIC=1990 Census industry code used
in CPS, Obs=CPS sample size, Employment=wage and salary employment, Members=employed workers who are union
members, Covered=workers covered by a collective bargaining agreement, %Mem=percent of employed workers who
are union members, and %Cov=percent of employed workers who are covered by a collective bargaining agreement.
2002 by Barry T. Hirsch and David A. Macpherson. The use of data requires citation.