HHI Herfindahl-Hirschman Index HHI points CR4 Four-firm concentration ratio percentage points CR8 Eight-firm concentration ratio percentage points Revenue Industry revenue Nominal change Employment Paid employees employees Firms Employer firms firms
Comparison benchmark 240 Strict matches
Published pair 199 HHI in both years
Not compared 41 Suppressed or changed
Increased 112 2017 to 2022
Decreased 87 2017 to 2022
Median change +1.8 HHI points
2017 to 2022 change plane
Above the diagonal increased; below it decreased.
199 strict published pairsSelected industry Local messengers and local delivery NAICS 4922 / Transportation and warehousing
2017 130.1
2022 1,074.7
Change +944.6 Increased Decreased Unchanged Circle area / 2022 revenueSquare-root axes
0 0 1,000 1,000 2,000 2,000 3,000 3,000 4,000 4,000 2022 higher 2022 lower 2017 HHI 2022 HHI NAICS 5241: Insurance carriers; 2017 132.8; 2022 190.7; change +57.9 NAICS 4247: Petroleum and petroleum products merchant wholesalers; 2017 294.3; 2022 338.1; change +43.8 NAICS 4411: Automobile dealers; 2017 14.3; 2022 26; change +11.7 NAICS 4244: Grocery and related product merchant wholesalers; 2017 99.9; 2022 105.7; change +5.8 NAICS 4242: Drugs and druggists' sundries merchant wholesalers; 2017 727.4; 2022 805.7; change +78.3 NAICS 6221: General medical and surgical hospitals; 2017 39.1; 2022 37.6; change -1.5 NAICS 4231: Motor vehicle and motor vehicle parts and supplies merchant wholesalers; 2017 468.7; 2022 454.1; change -14.6 NAICS 3241: Petroleum and coal products manufacturing; 2017 618; 2022 763.8; change +145.8 NAICS 7225: Restaurants and other eating places; 2017 8.8; 2022 11.3; change +2.5 NAICS 4234: Professional and commercial equipment and supplies merchant wholesalers; 2017 104.7; 2022 133.7; change +29 NAICS 4238: Machinery, equipment, and supplies merchant wholesalers; 2017 41.5; 2022 40.9; change -0.6 NAICS 5221: Depository credit intermediation; 2017 139.3; 2022 164; change +24.7 NAICS 5222: Nondepository credit intermediation; 2017 615; 2022 515.7; change -99.3 NAICS 6211: Offices of physicians; 2017 8.5; 2022 18; change +9.5 NAICS 2362: Nonresidential building construction; 2017 17.9; 2022 21.3; change +3.4 NAICS 2361: Residential building construction; 2017 41.8; 2022 54.3; change +12.5 NAICS 5415: Computer systems design and related services; 2017 60.3; 2022 49.9; change -10.4 NAICS 2382: Building equipment contractors; 2017 5.9; 2022 7; change +1.1 NAICS 2211: Electric power generation, transmission and distribution; 2017 211; 2022 186; change -25 NAICS 5613: Employment services; 2017 234; 2022 105.4; change -128.6 NAICS 2111: Oil and gas extraction; 2017 184.8; 2022 334.8; change +150 NAICS 5242: Agencies, brokerages, and other insurance related activities; 2017 532.3; 2022 548.8; change +16.5 NAICS 4249: Miscellaneous nondurable goods merchant wholesalers; 2017 178.9; 2022 150; change -28.9 NAICS 5239: Other financial investment activities; 2017 83.9; 2022 75.3; change -8.6 NAICS 5416: Management, scientific, and technical consulting services; 2017 45.1; 2022 43.6; change -1.5 NAICS 5413: Architectural, engineering, and related services; 2017 32.5; 2022 19.9; change -12.6 NAICS 3361: Motor vehicle manufacturing; 2017 1,298.2; 2022 1,017.8; change -280.4 NAICS 5411: Legal services; 2017 7.1; 2022 10.3; change +3.2 NAICS 4239: Miscellaneous durable goods merchant wholesalers; 2017 35.7; 2022 38.6; change +2.9 NAICS 5311: Lessors of real estate; 2017 20.1; 2022 21.9; change +1.8 NAICS 5417: Scientific research and development services; 2017 57.4; 2022 59; change +1.6 NAICS 4235: Metal and mineral (except petroleum) merchant wholesalers; 2017 91.9; 2022 108.7; change +16.8 NAICS 5231: Securities and commodity contracts intermediation and brokerage; 2017 371.9; 2022 318.2; change -53.7 NAICS 4233: Lumber and other construction materials merchant wholesalers; 2017 76.5; 2022 124.9; change +48.4 NAICS 4246: Chemical and allied products merchant wholesalers; 2017 127.5; 2022 119.3; change -8.2 NAICS 4245: Farm product raw material merchant wholesalers; 2017 308; 2022 306.1; change -1.9 NAICS 3116: Animal slaughtering and processing; 2017 563.5; 2022 559.4; change -4.1 NAICS 4237: Hardware, plumbing and heating equipment and supplies merchant wholesalers; 2017 137.3; 2022 177.1; change +39.8 NAICS 3251: Basic chemical manufacturing; 2017 267.9; 2022 221.7; change -46.2 NAICS 4841: General freight trucking; 2017 65.8; 2022 63.9; change -1.9 NAICS 7211: Traveler accommodation; 2017 112.4; 2022 105.8; change -6.6 NAICS 3363: Motor vehicle parts manufacturing; 2017 106.9; 2022 102.2; change -4.7 NAICS 2381: Foundation, structure, and building exterior contractors; 2017 1.4; 2022 1.9; change +0.5 NAICS 3261: Plastics product manufacturing; 2017 34.3; 2022 34.5; change +0.2 NAICS 4811: Scheduled air transportation; 2017 1,278.8; 2022 1,349.3; change +70.5 NAICS 3254: Pharmaceutical and medicine manufacturing; 2017 437.8; 2022 313.7; change -124.1 NAICS 5617: Services to buildings and dwellings; 2017 13.2; 2022 17.2; change +4 NAICS 6214: Outpatient care centers; 2017 179.5; 2022 163.4; change -16.1 NAICS 5412: Accounting, tax preparation, bookkeeping, and payroll services; 2017 268.9; 2022 300.4; change +31.5 NAICS 4248: Beer, wine, and distilled alcoholic beverage merchant wholesalers; 2017 217.4; 2022 261.9; change +44.5 NAICS 2371: Utility system construction; 2017 60.2; 2022 63.1; change +2.9 NAICS 2383: Building finishing contractors; 2017 2.9; 2022 4.2; change +1.3 NAICS 2212: Natural gas distribution; 2017 293.2; 2022 386.5; change +93.3 NAICS 4243: Apparel, piece goods, and notions merchant wholesalers; 2017 82; 2022 79.1; change -2.9 NAICS 8132: Grantmaking and giving services; 2017 43.3; 2022 116.6; change +73.3 NAICS 5223: Activities related to credit intermediation; 2017 257.6; 2022 388.1; change +130.5 NAICS 5312: Offices of real estate agents and brokers; 2017 53.1; 2022 54.3; change +1.2 NAICS 4241: Paper and paper product merchant wholesalers; 2017 241.3; 2022 242.4; change +1.1 NAICS 5211: Monetary authorities - central bank; 2017 3,389.8; 2022 3,074; change -315.8 NAICS 3345: Navigational, measuring, electromedical, and control instruments manufacturing; 2017 148.7; 2022 163.2; change +14.5 NAICS 2373: Highway, street, and bridge construction; 2017 35.9; 2022 19.6; change -16.3 NAICS 6212: Offices of dentists; 2017 2.7; 2022 5.5; change +2.8 NAICS 8111: Automotive repair and maintenance; 2017 8; 2022 14.9; change +6.9 NAICS 3115: Dairy product manufacturing; 2017 177.5; 2022 202.8; change +25.3 NAICS 3323: Architectural and structural metals manufacturing; 2017 23.7; 2022 53.5; change +29.8 NAICS 4232: Furniture and home furnishing merchant wholesalers; 2017 50.3; 2022 65.9; change +15.6 NAICS 5313: Activities related to real estate; 2017 32.5; 2022 40.7; change +8.2 NAICS 3222: Converted paper product manufacturing; 2017 241.6; 2022 230.4; change -11.2 NAICS 6231: Nursing care facilities (skilled nursing facilities); 2017 33.7; 2022 21; change -12.7 NAICS 4885: Freight transportation arrangement; 2017 59.2; 2022 43.4; change -15.8 NAICS 5418: Advertising, public relations, and related services; 2017 101.3; 2022 79.3; change -22 NAICS 3112: Grain and oilseed milling; 2017 656.8; 2022 827.7; change +170.9 NAICS 4842: Specialized freight trucking; 2017 15.1; 2022 15; change -0.1 NAICS 3311: Iron and steel mills and ferroalloy manufacturing; 2017 830; 2022 1,071.9; change +241.9 NAICS 3252: Resin, synthetic rubber, and artificial synthetic fibers and filaments manufacturing; 2017 288; 2022 338.8; change +50.8 NAICS 5419: Other professional, scientific, and technical services; 2017 37.5; 2022 54.8; change +17.3 NAICS 6213: Offices of other health practitioners; 2017 8.6; 2022 12.4; change +3.8 NAICS 3339: Other general purpose machinery manufacturing; 2017 44.7; 2022 39.4; change -5.3 NAICS 3121: Beverage manufacturing; 2017 348.8; 2022 263.1; change -85.7 NAICS 3344: Semiconductor and other electronic component manufacturing; 2017 285.6; 2022 317.5; change +31.9 NAICS 6216: Home health care services; 2017 49.1; 2022 42.2; change -6.9 NAICS 5121: Motion picture and video industries; 2017 370.8; 2022 520.5; change +149.7 NAICS 7139: Other amusement and recreation industries; 2017 23.2; 2022 15.3; change -7.9 NAICS 3391: Medical equipment and supplies manufacturing; 2017 191.3; 2022 164.4; change -26.9 NAICS 5324: Commercial and industrial machinery and equipment rental and leasing; 2017 186.3; 2022 194.3; change +8 NAICS 3231: Printing and related support activities; 2017 66.9; 2022 41.1; change -25.8 NAICS 5611: Office administrative services; 2017 2.8; 2022 7.4; change +4.6 NAICS 3329: Other fabricated metal product manufacturing; 2017 53; 2022 59.5; change +6.5 NAICS 3114: Fruit and vegetable preserving and specialty food manufacturing; 2017 155.2; 2022 171.3; change +16.1 NAICS 8139: Business, professional, labor, political, and similar organizations; 2017 13.1; 2022 15.7; change +2.6 NAICS 5614: Business support services; 2017 60.1; 2022 82.2; change +22.1 NAICS 3118: Bakeries and tortilla manufacturing; 2017 159.1; 2022 147.4; change -11.7 NAICS 3221: Pulp, paper, and paperboard mills; 2017 660.6; 2022 665.2; change +4.6 NAICS 3327: Machine shops; turned product; and screw, nut, and bolt manufacturing; 2017 9.2; 2022 6.4; change -2.8 NAICS 5616: Investigation and security services; 2017 193.2; 2022 215.5; change +22.3 NAICS 3273: Cement and concrete product manufacturing; 2017 73.5; 2022 100.5; change +27 NAICS 6233: Continuing care retirement communities and assisted living facilities for the elderly; 2017 64; 2022 34.8; change -29.2 NAICS 3219: Other wood product manufacturing; 2017 89.9; 2022 99.4; change +9.5 NAICS 3111: Animal food manufacturing; 2017 350.5; 2022 276.2; change -74.3 NAICS 5621: Waste collection; 2017 576.8; 2022 580.5; change +3.7 NAICS 3362: Motor vehicle body and trailer manufacturing; 2017 417.2; 2022 494; change +76.8 NAICS 7223: Special food services; 2017 874.4; 2022 766.8; change -107.6 NAICS 6219: Other ambulatory health care services; 2017 106.9; 2022 143.3; change +36.4 NAICS 3399: Other miscellaneous manufacturing; 2017 36; 2022 26.2; change -9.8 NAICS 3314: Nonferrous metal (except aluminum) production and processing; 2017 200; 2022 235.8; change +35.8 NAICS 5331: Lessors of nonfinancial intangible assets (except copyrighted works); 2017 323.5; 2022 329; change +5.5 NAICS 4931: Warehousing and storage; 2017 93.3; 2022 147.9; change +54.6 NAICS 5619: Other support services; 2017 37.8; 2022 29.8; change -8 NAICS 6232: Residential intellectual and developmental disability, mental health, and substance abuse facilities; 2017 17.3; 2022 34.3; change +17 NAICS 6223: Specialty (except psychiatric and substance abuse) hospitals; 2017 322.9; 2022 334.8; change +11.9 NAICS 7112: Spectator sports; 2017 50.3; 2022 54.1; change +3.8 NAICS 3334: Ventilation, heating, air-conditioning, and commercial refrigeration equipment manufacturing; 2017 251.9; 2022 199.4; change -52.5 NAICS 8121: Personal care services; 2017 19.3; 2022 5.3; change -14 NAICS 3259: Other chemical product and preparation manufacturing; 2017 76.3; 2022 59.4; change -16.9 NAICS 3255: Paint, coating, and adhesive manufacturing; 2017 325.2; 2022 401.4; change +76.2 NAICS 3211: Sawmills and wood preservation; 2017 131.9; 2022 166.9; change +35 NAICS 3313: Alumina and aluminum production and processing; 2017 485.6; 2022 500.4; change +14.8 NAICS 3262: Rubber product manufacturing; 2017 365.5; 2022 344; change -21.5 NAICS 3336: Engine, turbine, and power transmission equipment manufacturing; 2017 588.9; 2022 589.4; change +0.5 NAICS 3371: Household and institutional furniture and kitchen cabinet manufacturing; 2017 137.7; 2022 121.9; change -15.8 NAICS 3253: Pesticide, fertilizer, and other agricultural chemical manufacturing; 2017 394.8; 2022 530.5; change +135.7 NAICS 3353: Electrical equipment manufacturing; 2017 255.8; 2022 186.2; change -69.6 NAICS 8133: Social advocacy organizations; 2017 63; 2022 43.4; change -19.6 NAICS 3312: Steel product manufacturing from purchased steel; 2017 107.6; 2022 196; change +88.4 NAICS 4831: Deep sea, coastal, and great lakes water transportation; 2017 1,194.3; 2022 1,081.5; change -112.8 NAICS 3324: Boiler, tank, and shipping container manufacturing; 2017 346.4; 2022 328; change -18.4 NAICS 3113: Sugar and confectionery product manufacturing; 2017 434.6; 2022 390.4; change -44.2 NAICS 3342: Communications equipment manufacturing; 2017 326.5; 2022 506.4; change +179.9 NAICS 5612: Facilities support services; 2017 221.2; 2022 211.6; change -9.6 NAICS 3212: Veneer, plywood, and engineered wood product manufacturing; 2017 254.8; 2022 247.3; change -7.5 NAICS 5629: Remediation and other waste management services; 2017 36.7; 2022 27.1; change -9.6 NAICS 3332: Industrial machinery manufacturing; 2017 81.7; 2022 152.7; change +71 NAICS 4862: Pipeline transportation of natural gas; 2017 843.7; 2022 837.6; change -6.1 NAICS 4881: Support activities for air transportation; 2017 97.7; 2022 82.5; change -15.2 NAICS 7132: Gambling industries; 2017 133.3; 2022 143; change +9.7 NAICS 5414: Specialized design services; 2017 5; 2022 4.8; change -0.2 NAICS 2123: Nonmetallic mineral mining and quarrying; 2017 137.8; 2022 137.9; change +0.1 NAICS 8129: Other personal services; 2017 97.4; 2022 52.8; change -44.6 NAICS 2122: Metal ore mining; 2017 915.9; 2022 1,021.9; change +106 NAICS 2379: Other heavy and civil engineering construction; 2017 95.6; 2022 139.4; change +43.8 NAICS 3335: Metalworking machinery manufacturing; 2017 32.4; 2022 37.2; change +4.8 NAICS 7224: Drinking places (alcoholic beverages); 2017 4.3; 2022 3; change -1.3 NAICS 6116: Other schools and instruction; 2017 10.9; 2022 11.5; change +0.6 NAICS 3321: Forging and stamping; 2017 102.7; 2022 62.2; change -40.5 NAICS 3315: Foundries; 2017 177.5; 2022 170.4; change -7.1 NAICS 3333: Commercial and service industry machinery manufacturing; 2017 88.8; 2022 111.1; change +22.3 NAICS 3328: Coating, engraving, heat treating, and allied activities; 2017 72.5; 2022 157.5; change +85 NAICS 3279: Other nonmetallic mineral product manufacturing; 2017 211.2; 2022 159.2; change -52 NAICS 7115: Independent artists, writers, and performers; 2017 3.5; 2022 3.3; change -0.2 NAICS 3372: Office furniture (including fixtures) manufacturing; 2017 150.4; 2022 109.7; change -40.7 NAICS 2121: Coal mining; 2017 454.9; 2022 523.1; change +68.2 NAICS 5622: Waste treatment and disposal; 2017 459.4; 2022 537; change +77.6 NAICS 4922: Local messengers and local delivery; 2017 130.1; 2022 1,074.7; change +944.6 NAICS 4883: Support activities for water transportation; 2017 234.7; 2022 173.5; change -61.2 NAICS 5122: Sound recording industries; 2017 1,261.6; 2022 1,394.1; change +132.5 NAICS 5322: Consumer goods rental; 2017 474; 2022 313.1; change -160.9 NAICS 7121: Museums, historical sites, and similar institutions; 2017 40.3; 2022 31.2; change -9.1 NAICS 6117: Educational support services; 2017 280.4; 2022 105.3; change -175.1 NAICS 3369: Other transportation equipment manufacturing; 2017 923.3; 2022 655.8; change -267.5 NAICS 3341: Computer and peripheral equipment manufacturing; 2017 549.1; 2022 706.8; change +157.7 NAICS 6114: Business schools and computer and management training; 2017 26.4; 2022 29.2; change +2.8 NAICS 8134: Civic and social organizations; 2017 6.8; 2022 7; change +0.2 NAICS 7111: Performing arts companies; 2017 42.9; 2022 37; change -5.9 NAICS 4884: Support activities for road transportation; 2017 35; 2022 18.6; change -16.4 NAICS 5232: Securities and commodity exchanges; 2017 2,550.5; 2022 2,434.7; change -115.8 NAICS 3351: Electric lighting equipment manufacturing; 2017 196.9; 2022 255.8; change +58.9 NAICS 3117: Seafood product preparation and packaging; 2017 384.3; 2022 229.1; change -155.2 NAICS 4869: Other pipeline transportation; 2017 1,023.7; 2022 961.1; change -62.6 NAICS 6243: Vocational rehabilitation services; 2017 27; 2022 35.5; change +8.5 NAICS 3132: Fabric mills; 2017 153.2; 2022 151.3; change -1.9 NAICS 3141: Textile furnishings mills; 2017 578.2; 2022 616.2; change +38 NAICS 3365: Railroad rolling stock manufacturing; 2017 661.5; 2022 1,017.4; change +355.9 NAICS 3274: Lime and gypsum product manufacturing; 2017 938.4; 2022 1,246.8; change +308.4 NAICS 3379: Other furniture related product manufacturing; 2017 740.3; 2022 642.2; change -98.1 NAICS 3326: Spring and wire product manufacturing; 2017 135.3; 2022 136.5; change +1.2 NAICS 3322: Cutlery and handtool manufacturing; 2017 323.7; 2022 295.8; change -27.9 NAICS 3325: Hardware manufacturing; 2017 354.3; 2022 437.6; change +83.3 NAICS 3149: Other textile product mills; 2017 89.7; 2022 71.1; change -18.6 NAICS 3271: Clay product and refractory manufacturing; 2017 206; 2022 213; change +7 NAICS 4832: Inland water transportation; 2017 719.6; 2022 735.4; change +15.8 NAICS 4859: Other transit and ground passenger transportation; 2017 83; 2022 103.1; change +20.1 NAICS 7212: RV (recreational vehicle) parks and recreational camps; 2017 14.6; 2022 19.6; change +5 NAICS 4882: Support activities for rail transportation; 2017 259; 2022 258.7; change -0.3 NAICS 3152: Cut and sew apparel manufacturing; 2017 34.4; 2022 48.8; change +14.4 NAICS 3133: Textile and fabric finishing and fabric coating mills; 2017 183.7; 2022 177.7; change -6 NAICS 3131: Fiber, yarn, and thread mills; 2017 803.1; 2022 952.5; change +149.4 NAICS 4851: Urban transit systems; 2017 731.3; 2022 673.6; change -57.7 NAICS 3343: Audio and video equipment manufacturing; 2017 383.3; 2022 682.8; change +299.5 NAICS 4855: Charter bus industry; 2017 75.1; 2022 100.3; change +25.2 NAICS 4889: Other support activities for transportation; 2017 74.2; 2022 95.9; change +21.7 NAICS 5323: General rental centers; 2017 27.1; 2022 30.5; change +3.4 NAICS 3169: Other leather and allied product manufacturing; 2017 209.5; 2022 249.8; change +40.3 NAICS 7213: Rooming and boarding houses, dormitories, and workers' camps; 2017 236.3; 2022 492.8; change +256.5 NAICS 3162: Footwear manufacturing; 2017 577.1; 2022 523.1; change -54 NAICS 4871: Scenic and sightseeing transportation, land; 2017 186.1; 2022 199.8; change +13.7 NAICS 3151: Apparel knitting mills; 2017 320.7; 2022 273.8; change -46.9 NAICS 3159: Apparel accessories and other apparel manufacturing; 2017 343.5; 2022 151.4; change -192.1 NAICS 3161: Leather and hide tanning and finishing; 2017 1,108.5; 2022 1,155.6; change +47.1 NAICS 4879: Scenic and sightseeing transportation, other; 2017 708.8; 2022 668.8; change -40 Active industry
NAICS 2131 / Mining, quarrying, and oil and gas extraction
Support activities for mining Strict code + label match No published delta
At least one HHI value was disclosure-withheld.
Measure 2017 2022
HHI Unavailable 183.7
CR4 25.1% 23.6%
Revenue $86.6B $94.3B
Firms 10.5K 9.3K