On StockMarketMBA.com, all securities are classified into one of 148 industries. An industry is a subsection of the U.S. economy. We get this from a data provider who is using Morningstar's industry classification system.
| Industry | Market Cap | U.S. Stock Count |
|---|---|---|
| Advertising Agencies | $71,179,561,318 | 32 |
| Aerospace & Defense | $678,039,055,988 | 53 |
| Agricultural Inputs | $122,819,850,911 | 17 |
| Airlines | $145,098,482,405 | 19 |
| Airports & Air Services | $34,487,832,201 | 11 |
| Aluminum | $18,427,782,243 | 5 |
| Apparel Manufacturing | $107,231,566,350 | 23 |
| Apparel Retail | $244,336,658,014 | 29 |
| Asset Management | $685,908,964,569 | 58 |
| Auto & Truck Dealerships | $74,353,423,420 | 21 |
| Auto Manufacturers | $1,487,707,982,380 | 29 |
| Auto Parts | $167,057,882,374 | 47 |
| Banks-Regional | $1,400,329,424,483 | 399 |
| Banks—Diversified | $2,248,713,366,724 | 22 |
| Beverages—Brewers | $211,825,468,921 | 8 |
| Beverages—Non-Alcoholic | $616,775,460,820 | 17 |
| Beverages—Wineries & Distilleries | $264,047,878,224 | 9 |
| Biotechnology | $1,303,715,717,616 | 718 |
| Broadcasting | $270,706,658,248 | 32 |
| Building Materials | $132,032,306,515 | 14 |
| Building Products & Equipment | $169,645,148,943 | 34 |
| Business Equipment & Supplies | $28,637,350,553 | 9 |
| Capital Markets | $619,639,764,545 | 51 |
| Chemicals | $215,381,204,883 | 23 |
| Coking Coal | $3,221,067,094 | 4 |
| Communication Equipment | $480,130,117,820 | 67 |
| Computer Hardware | $268,318,838,230 | 30 |
| Confectioners | $122,668,668,158 | 4 |
| Conglomerates | $26,147,628,187 | 10 |
| Consulting Services | $233,840,156,017 | 18 |
| Consumer Electronics | $2,619,957,169,710 | 17 |
| Copper | $102,415,091,370 | 5 |
| Credit Services | $1,614,933,321,874 | 61 |
| Department Stores | $25,330,139,169 | 6 |
| Diagnostics & Research | $1,105,987,986,901 | 87 |
| Discount Stores | $818,093,335,862 | 9 |
| Drug Manufacturers—General | $2,488,125,151,410 | 17 |
| Drug Manufacturers—Specialty & Generic | $308,915,369,569 | 90 |
| Education & Training Services | $47,762,998,814 | 48 |
| Electrical Equipment & Parts | $161,679,654,127 | 39 |
| Electronic Components | $181,911,678,113 | 41 |
| Electronic Gaming & Multimedia | $372,510,855,408 | 29 |
| Electronics & Computer Distribution | $15,794,079,099 | 8 |
| Engineering & Construction | $164,105,449,997 | 36 |
| Entertainment | $1,404,570,812,058 | 46 |
| Farm & Heavy Construction Machinery | $311,420,581,089 | 25 |
| Farm Products | $87,807,227,204 | 21 |
| Financial Conglomerates | $17,798,786,833 | 3 |
| Financial Data & Stock Exchanges | $441,270,133,889 | 10 |
| Food Distribution | $59,137,504,782 | 11 |
| Footwear & Accessories | $288,281,447,149 | 12 |
| Furnishings, Fixtures & Appliances | $72,725,491,028 | 26 |
| Gambling | $55,131,988,568 | 16 |
| Gold | $224,669,068,226 | 44 |
| Grocery Stores | $67,648,603,114 | 13 |
| Health Information Services | $198,780,937,223 | 48 |
| Healthcare Plans | $793,648,734,565 | 14 |
| Home Improvement Retail | $521,313,691,391 | 9 |
| Household & Personal Products | $820,263,305,249 | 30 |
| Industrial Distribution | $135,979,194,524 | 18 |
| Information Technology Services | $1,041,925,571,698 | 73 |
| Infrastructure Operations | $2,408,908,961 | 1 |
| Insurance - Specialty | $2,934,951,248 | 1 |
| Insurance Brokers | $242,136,021,537 | 17 |
| Insurance—Diversified | $1,448,983,268,861 | 17 |
| Insurance—Life | $282,369,107,980 | 21 |
| Insurance—Property & Casualty | $361,296,546,244 | 45 |
| Insurance—Reinsurance | $27,166,590,797 | 8 |
| Insurance—Specialty | $55,516,869,735 | 17 |
| Integrated Freight & Logistics | $333,206,790,834 | 17 |
| Internet Content & Information | $5,795,788,655,276 | 74 |
| Internet Retail | $2,793,411,546,276 | 45 |
| Leisure | $124,067,392,652 | 33 |
| Lodging | $129,315,528,362 | 10 |
| Lumber & Wood Production | $17,151,955,045 | 5 |
| Luxury Goods | $19,378,471,761 | 7 |
| Marine Shipping | $24,206,502,450 | 32 |
| Medical Care Facilities | $257,664,200,523 | 57 |
| Medical Devices | $981,323,905,429 | 133 |
| Medical Distribution | $92,337,507,416 | 8 |
| Medical Instruments & Supplies | $557,345,277,510 | 51 |
| Metal Fabrication | $16,046,180,958 | 13 |
| Mortgage Finance | $26,058,285,180 | 19 |
| Oil & Gas Drilling | $9,688,938,589 | 8 |
| Oil & Gas E&P | $446,533,759,690 | 87 |
| Oil & Gas Equipment & Services | $136,228,885,977 | 58 |
| Oil & Gas Integrated | $1,338,865,109,942 | 21 |
| Oil & Gas Midstream | $491,616,101,221 | 64 |
| Oil & Gas Production | $812,584,221 | 2 |
| Oil & Gas Refining & Marketing | $133,800,609,696 | 24 |
| Other Industrial Metals & Mining | $399,427,856,928 | 32 |
| Other Precious Metals & Mining | $7,481,179,232 | 15 |
| Packaged Foods | $326,646,026,672 | 63 |
| Packaging & Containers | $182,997,831,759 | 25 |
| Paper & Paper Products | $22,195,701,810 | 10 |
| Personal Services | $71,170,902,639 | 18 |
| Pharmaceutical Retailers | $53,674,426,488 | 11 |
| Pollution & Treatment Controls | $10,194,730,985 | 12 |
| Publishing | $85,510,345,111 | 13 |
| Railroads | $439,649,984,213 | 13 |
| Real Estate Services | $153,996,369,648 | 35 |
| Real Estate—Development | $3,771,951,287 | 12 |
| Real Estate—Diversified | $9,114,377,895 | 8 |
| Recreational Vehicles | $43,170,751,840 | 18 |
| REIT—Diversified | $102,525,125,968 | 31 |
| REIT—Healthcare Facilities | $127,457,737,033 | 17 |
| REIT—Hotel & Motel | $43,803,964,360 | 20 |
| REIT—Industrial | $276,309,191,985 | 19 |
| REIT—Mortgage | $68,090,071,375 | 37 |
| REIT—Office | $167,456,962,156 | 28 |
| REIT—Residential | $233,166,918,203 | 20 |
| REIT—Retail | $156,021,107,502 | 32 |
| REIT—Specialty | $424,867,505,966 | 19 |
| Rental & Leasing Services | $89,951,746,987 | 24 |
| Residential Construction | $166,692,984,872 | 22 |
| Resorts & Casinos | $140,515,029,179 | 19 |
| Restaurants | $551,656,776,728 | 53 |
| Scientific & Technical Instruments | $207,540,633,483 | 33 |
| Security & Protection Services | $42,864,597,964 | 22 |
| Semiconductor Equipment & Materials | $743,245,978,649 | 31 |
| Semiconductors | $2,718,144,036,820 | 65 |
| Shell Companies | $160,098,920,698 | 543 |
| Silver | $12,797,229,870 | 7 |
| Software-Application | $6,398,459,082 | 1 |
| Software—Application | $2,459,774,059,456 | 224 |
| Software—Infrastructure | $3,894,487,603,502 | 118 |
| Solar | $74,836,280,439 | 18 |
| Specialty Business Services | $181,449,846,111 | 38 |
| Specialty Chemicals | $576,791,970,912 | 56 |
| Specialty Industrial Machinery | $1,180,035,159,519 | 84 |
| Specialty Retail | $318,794,283,877 | 54 |
| Staffing & Employment Services | $195,085,989,936 | 30 |
| Steel | $172,076,130,845 | 22 |
| Telecom Services | $1,175,632,753,290 | 61 |
| Textile Manufacturing | $3,049,893,184 | 5 |
| Thermal Coal | $5,505,039,418 | 8 |
| Tobacco | $343,998,474,592 | 8 |
| Tools & Accessories | $79,075,242,301 | 14 |
| Travel Services | $201,032,632,414 | 14 |
| Trucking | $78,552,813,510 | 20 |
| Uranium | $16,925,956,184 | 8 |
| Utilities—Diversified | $343,147,964,508 | 22 |
| Utilities—Independent Power Producers | $24,194,478,604 | 5 |
| Utilities—Regulated Electric | $765,909,729,156 | 35 |
| Utilities—Regulated Gas | $69,748,042,385 | 13 |
| Utilities—Regulated Water | $61,544,404,834 | 14 |
| Utilities—Renewable | $52,964,292,011 | 14 |
| Waste Management | $172,966,382,341 | 21 |
| Total of 148 industries | 5,854 |
Data is current as of yesterday.
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