- Fama-French 49个行业分类法（图2下方）：全面、详尽、把产业链梳理出来了。结合来看，19年1月至20年1月各行业的Case Shiller PE中位数（图1）最高的前5名：医疗器械MEDEQ、软件SOFTW、测算和控制器械LABEQ、商业服务BUSSV、糖果和苏打SODA。
- 宏观对冲周期性重大事件。（图2）。
- 从扎克伯格由Facemash，grocery price scrape（高中时期）的成长过程想到：“很多”美国互联网公司创始人自己本来就是天才黑客，而衡量黑客技术能力的一大关键是看其爬虫能力，即能否成功攻克“反爬虫”。
1 Agric Agriculture
0100-0199 Agricultural production - crops
0200-0299 Agricultural production - livestock
0700-0799 Agricultural services
0910-0919 Commercial fishing
2048-2048 Prepared feeds for animals
2 Food Food Products
2000-2009 Food and kindred products
2010-2019 Meat products
2020-2029 Dairy products
2030-2039 Canned & preserved fruits & vegetables
2040-2046 Flour and other grain mill products
2050-2059 Bakery products
2060-2063 Sugar and confectionery products
2070-2079 Fats and oils
2090-2092 Misc food preparations and kindred products
2095-2095 Roasted coffee
2098-2099 Misc food preparations
3 Soda Candy & Soda
2064-2068 Candy and other confectionery
2086-2086 Bottled-canned soft drinks
2087-2087 Flavoring syrup
2096-2096 Potato chips
2097-2097 Manufactured ice
4 Beer Beer & Liquor
2080-2080 Beverages
2082-2082 Malt beverages
2083-2083 Malt
2084-2084 Wine
2085-2085 Distilled and blended liquors
5 Smoke Tobacco Products
2100-2199 Tobacco products
6 Toys Recreation
0920-0999 Fishing, hunting & trapping
3650-3651 Household audio visual equipment
3652-3652 Phonograph records
3732-3732 Boat building and repairing
3930-3931 Musical instruments
3940-3949 Toys
7 Fun Entertainment
7800-7829 Services - motion picture production and distribution
7830-7833 Services - motion picture theaters
7840-7841 Services - video rental
7900-7900 Services - amusement and recreation
7910-7911 Services - dance studios
7920-7929 Services - bands, entertainers
7930-7933 Services - bowling centers
7940-7949 Services - professional sports
7980-7980 Amusement and recreation services (?)
7990-7999 Services - Misc entertainment
8 Books Printing and Publishing
2700-2709 Printing publishing and allied
2710-2719 Newspapers: publishing-printing
2720-2729 Periodicals: publishing-printing
2730-2739 Books: publishing-printing
2740-2749 Misc publishing
2770-2771 Greeting card
2780-2789 Bookbinding
2790-2799 Service industries for the print trade
9 Hshld Consumer Goods
2047-2047 Dog and cat food
2391-2392 Curtains, home furnishings
2510-2519 Household furniture
2590-2599 Misc furniture and fixtures
2840-2843 Soap & other detergents
2844-2844 Perfumes, cosmetics and other toilet preparations
3160-3161 Luggage
3170-3171 Handbags and purses
3172-3172 Personal leather goods, except handbags and purses
3190-3199 Leather goods
3229-3229 Pressed and blown glass
3260-3260 Pottery and related products
3262-3263 China and earthenware table articles
3269-3269 Pottery products
3230-3231 Glass products
3630-3639 Household appliances
3750-3751 Motorcycles, bicycles and parts (Harley & Huffy)
3800-3800 Misc instruments, photo goods & watches
3860-3861 Photographic equipment (Kodak etc, but also Xerox)
3870-3873 Watches, clocks and parts
3910-3911 Jewelry, precious metals
3914-3914 Silverware
3915-3915 Jewelers' findings and materials
3960-3962 Costume jewelry and novelties
3991-3991 Brooms and brushes
3995-3995 Burial caskets
10 Clths Apparel
2300-2390 Apparel and other finished products
3020-3021 Rubber and plastics footwear
3100-3111 Leather tanning and finishing
3130-3131 Boot & shoe cut stock & findings
3140-3149 Footwear, except rubber
3150-3151 Leather gloves and mittens
3963-3965 Fasteners, buttons, needles, pins
11 Hlth Healthcare
8000-8099 Services - health
12 MedEq Medical Equipment
3693-3693 X-ray, electromedical app
3840-3849 Surgical, medical, and dental instruments and supplies
3850-3851 Ophthalmic goods
13 Drugs Pharmaceutical Products
2830-2830 Drugs
2831-2831 Biological products
2833-2833 Medicinal chemicals
2834-2834 Pharmaceutical preparations
2835-2835 In vitro, in vivo diagnostic substances
2836-2836 Biological products, except diagnostic substances
14 Chems Chemicals
2800-2809 Chemicals and allied products
2810-2819 Industrial inorganic chemicals
2820-2829 Plastic material & synthetic resin/rubber
2850-2859 Paints
2860-2869 Industrial organic chemicals
2870-2879 Agriculture chemicals
2890-2899 Misc chemical products
15 Rubbr Rubber and Plastic Products
3031-3031 Reclaimed rubber
3041-3041 Rubber & plastic hose & belting
3050-3053 Gaskets, hoses, etc
3060-3069 Fabricated rubber products
3070-3079 Misc rubber products (?)
3080-3089 Misc plastic products
3090-3099 Misc rubber and plastic products (?)
16 Txtls Textiles
2200-2269 Textile mill products
2270-2279 Floor covering mills
2280-2284 Yarn and thread mills
2290-2295 Misc textile goods
2297-2297 Non-woven fabrics
2298-2298 Cordage and twine
2299-2299 Misc textile products
2393-2395 Textile bags, canvas products
2397-2399 Misc textile products
17 BldMt Construction Materials
0800-0899 Forestry
2400-2439 Lumber and wood products
2450-2459 Wood buildings & mobile homes
2490-2499 Misc wood products
2660-2661 Building paper and board mills
2950-2952 Paving & roofing materials
3200-3200 Stone, clay, glass, concrete, etc
3210-3211 Flat glass
3240-3241 Cement, hydraulic
3250-3259 Structural clay products
3261-3261 Vitreous china plumbing fixtures
3264-3264 Porcelain electrical supplies
3270-3275 Concrete, gypsum & plaster products
3280-3281 Cut stone and stone products
3290-3293 Abrasive and asbestos products
3295-3299 Misc nonmetallic mineral products
3420-3429 Cutlery, hand tools and general hardware
3430-3433 Heating equipment & plumbing fixtures
3440-3441 Fabricated structural metal products
3442-3442 Metal doors, frames
3446-3446 Architectural or ornamental metal work
3448-3448 Prefabricated metal buildings and components
3449-3449 Misc structural metal work
3450-3451 Screw machine products
3452-3452 Bolts, nuts, screws, rivets and washers
3490-3499 Misc fabricated metal products
3996-3996 Hard surface floor coverings
18 Cnstr Construction
1500-1511 Build construction - general contractors
1520-1529 General building contractors - residential
1530-1539 Operative builders
1540-1549 General building contractors - non-residential
1600-1699 Heavy construction - not building contractors
1700-1799 Construction - special contractors
19 Steel Steel Works Etc
3300-3300 Primary metal industries
3310-3317 Blast furnaces & steel works
3320-3325 Iron & steel foundries
3330-3339 Primary smelting & refining of nonferrous metals
3340-3341 Secondary smelting & refining of nonferrous metals
3350-3357 Rolling, drawing & extruding of nonferrous metals
3360-3369 Nonferrous foundries and casting
3370-3379 Steel works etc
3390-3399 Misc primary metal products
20 FabPr Fabricated Products
3400-3400 Fabricated metal, except machinery and trans eq
3443-3443 Fabricated plate work
3444-3444 Sheet metal work
3460-3469 Metal forgings and stampings
3470-3479 Coating, engraving and allied services
21 Mach Machinery
3510-3519 Engines & turbines
3520-3529 Farm and garden machinery and equipment
3530-3530 Construction, mining & material handling machinery & equipment
3531-3531 Construction machinery & equipment
3532-3532 Mining machinery & equipment, except oil field
3533-3533 Oil & gas field machinery & equipment
3534-3534 Elevators & moving stairways
3535-3535 Conveyors & conveying equipment
3536-3536 Cranes, hoists and monorail systems
3538-3538 Machinery
3540-3549 Metalworking machinery & equipment
3550-3559 Special industry machinery
3560-3569 General industrial machinery & equipment
3580-3580 Refrigeration & service industry machinery
3581-3581 Automatic vending machines
3582-3582 Commercial laundry and dry cleaning machines
3585-3585 Air conditioning, warm air heating and refrigeration equipment
3586-3586 Measuring and dispensing pumps
3589-3589 Service industry machinery
3590-3599 Misc industrial and commercial equipment and machinery
22 ElcEq Electrical Equipment
3600-3600 Electronic & other electrical equipment
3610-3613 Electric transmission and distribution equipment
3620-3621 Electrical industrial apparatus
3623-3629 Electrical industrial apparatus
3640-3644 Electric lighting & wiring equipment
3645-3645 Residential electric lighting fixtures
3646-3646 Commercial, industrial and institutional electric lighting fixtures
3648-3649 Misc lighting equipment
3660-3660 Communications equipment
3690-3690 Misc electrical machinery and equipment
3691-3692 Storage batteries
3699-3699 Misc electrical machinery, equipment and supplies
23 Autos Automobiles and Trucks
2296-2296 Tire cord and fabric
2396-2396 Automotive trimmings, apparel findings & related products
3010-3011 Tires and inner tubes
3537-3537 Industrial trucks, tractors, trailers & stackers
3647-3647 Vehicular lighting equipment
3694-3694 Electrical equipment for internal combustion engines
3700-3700 Transportation equipment
3710-3710 Motor vehicles and motor vehicle equipment
3711-3711 Motor vehicles & passenger car bodies
3713-3713 Truck & bus bodies
3714-3714 Motor vehicle parts & accessories
3715-3715 Truck trailers
3716-3716 Motor homes
3792-3792 Travel trailers and campers
3790-3791 Misc transportation equipment
3799-3799 Misc transportation equipment
24 Aero Aircraft
3720-3720 Aircraft & parts
3721-3721 Aircraft
3723-3724 Aircraft engines & engine parts
3725-3725 Aircraft parts
3728-3729 Misc aircraft parts & auxiliary equipment
25 Ships Shipbuilding, Railroad Equipment
3730-3731 Ship building and repairing
3740-3743 Railroad Equipment
26 Guns Defense
3760-3769 Guided missiles and space vehicles and parts
3795-3795 Tanks and tank components
3480-3489 Ordnance & accessories
27 Gold Precious Metals
1040-1049 Gold & silver ores
28 Mines Non-Metallic and Industrial Metal Mining
1000-1009 Metal mining
1010-1019 Iron ores
1020-1029 Copper ores
1030-1039 Lead and zinc ores
1050-1059 Bauxite and other aluminum ores
1060-1069 Ferroalloy ores
1070-1079 Mining
1080-1089 Metal mining services
1090-1099 Misc metal ores
1100-1119 Anthracite mining
1400-1499 Mining and quarrying nonmetallic minerals
29 Coal Coal
1200-1299 Bituminous coal and lignite mining
30 Oil Petroleum and Natural Gas
1300-1300 Oil and gas extraction
1310-1319 Crude petroleum & natural gas
1320-1329 Natural gas liquids
1330-1339 Petroleum and natural gas
1370-1379 Petroleum and natural gas
1380-1380 Oil and gas field services
1381-1381 Drilling oil & gas wells
1382-1382 Oil & gas field exploration services
1389-1389 Misc oil & gas field services
2900-2912 Petroleum refining
2990-2999 Misc products of petroleum & coal
31 Util Utilities
4900-4900 Electric, gas & sanitary services
4910-4911 Electric services
4920-4922 Natural gas transmission
4923-4923 Natural gas transmission & distribution
4924-4925 Natural gas distribution
4930-4931 Electric and other services combined
4932-4932 Gas and other services combined
4939-4939 Misc combination utilities
4940-4942 Water supply
32 Telcm Communication
4800-4800 Communications
4810-4813 Telephone communications
4820-4822 Telegraph and other message communication
4830-4839 Radio & TV broadcasters
4840-4841 Cable and other pay TV services
4880-4889 Communications
4890-4890 Communication services (Comsat)
4891-4891 Cable TV operators
4892-4892 Telephone interconnect
4899-4899 Misc communication services
33 PerSv Personal Services
7020-7021 Rooming and boarding houses
7030-7033 Camps and recreational vehicle parks
7200-7200 Services - personal
7210-7212 Services - laundry, cleaning & garment services
7214-7214 Services - diaper service
7215-7216 Services - coin-operated cleaners, dry cleaners
7217-7217 Services - carpet & upholstery cleaning
7219-7219 Services - Misc laundry & garment services
7220-7221 Services - photographic studios, portrait
7230-7231 Services - beauty shops
7240-7241 Services - barber shops
7250-7251 Services - shoe repair shops & shoeshine parlors
7260-7269 Services - funeral service & crematories
7270-7290 Services – Misc
7291-7291 Services - tax return
7292-7299 Services - Misc
7395-7395 Services - photofinishing labs (School pictures)
7500-7500 Services - auto repair, services & parking
7520-7529 Services - automobile parking
7530-7539 Services - automotive repair shops
7540-7549 Services - automotive services, except repair (car washes)
7600-7600 Services - Misc repair services
7620-7620 Services - Electrical repair shops
7622-7622 Services - Radio and TV repair shops
7623-7623 Services - Refrigeration and air conditioning service & repair shops
7629-7629 Services - Electrical & electronic repair shops
7630-7631 Services - Watch, clock and jewelry repair
7640-7641 Services - Reupholster & furniture repair
7690-7699 Services - Misc repair shops & related services
8100-8199 Services - legal
8200-8299 Services - educational
8300-8399 Services - social services
8400-8499 Services - museums, art galleries, botanical and zoological gardens
8600-8699 Services - membership organizations
8800-8899 Services - private households
7510-7515 Services - truck & auto rental and leasing
34 BusSv Business Services
2750-2759 Commercial printing
3993-3993 Signs & advertising specialties
7218-7218 Services - industrial launderers
7300-7300 Services - business services
7310-7319 Services - advertising
7320-7329 Services - consumer credit reporting agencies, collection services
7330-7339 Services - mailing, reproduction, commercial art & photography
7340-7342 Services - services to dwellings & other buildings
7349-7349 Services - building cleaning & maintenance
7350-7351 Services - Misc equipment rental and leasing
7352-7352 Services - medical equipment rental and leasing
7353-7353 Services - heavy construction equipment rental and leasing
7359-7359 Services - equipment rental and leasing
7360-7369 Services - personnel supply services
7374-7374 Services - computer processing, data preparation and processing
7376-7376 Services - computer facilities management service
7377-7377 Services - computer rental and leasing
7378-7378 Services - computer maintenance and repair
7379-7379 Services - computer related services
7380-7380 Services - Misc business services
7381-7382 Services - security
7383-7383 Services - news syndicates
7384-7384 Services - photofinishing labs
7385-7385 Services - telephone interconnect systems
7389-7390 Services - Misc business services
7391-7391 Services - R&D labs
7392-7392 Services - management consulting & P.R.
7393-7393 Services - detective and protective (ADT)
7394-7394 Services - equipment rental & leasing
7396-7396 Services - trading stamp services
7397-7397 Services - commercial testing labs
7399-7399 Services - business services
7519-7519 Services - utility trailer & recreational vehicle rental
8700-8700 Services - engineering, accounting, research, management
8710-8713 Services - engineering, accounting, surveying
8720-8721 Services - accounting, auditing, bookkeeping
8730-8734 Services - research, development, testing labs
8740-8748 Services - management, public relations, consulting
8900-8910 Services - Misc
8911-8911 Services - Misc engineering & architect
8920-8999 Services - Misc
4220-4229 Public warehousing and storage
35 Hardw Computers
3570-3579 Computer & office equipment
3680-3680 Computers
3681-3681 Computers - mini
3682-3682 Computers - mainframe
3683-3683 Computers - terminals
3684-3684 Computers - disk & tape drives
3685-3685 Computers - optical scanners
3686-3686 Computers - graphics
3687-3687 Computers - office automation systems
3688-3688 Computers - peripherals
3689-3689 Computers - equipment
3695-3695 Magnetic and optical recording media
36 Softw Computer Software
7370-7372 Services - computer programming and data processing
7375-7375 Services - information retrieval services
7373-7373 Computer integrated systems design
37 Chips Electronic Equipment
3622-3622 Industrial controls
3661-3661 Telephone and telegraph apparatus
3662-3662 Communications equipment
3663-3663 Radio & TV broadcasting & communications equipment
3664-3664 Search, navigation, guidance systems
3665-3665 Training equipment & simulators
3666-3666 Alarm & signaling products
3669-3669 Communication equipment
3670-3679 Electronic components & accessories
3810-3810 Search, detection, navigation, guidance, aeronautical & nautical systems, instruments & equipment
3812-3812 Search, detection, navigation, guidance, aeronautical & nautical systems & instruments
38 LabEq Measuring and Control Equipment
3811-3811 Engr laboratory and research equipment
3820-3820 Measuring and controlling equipment
3821-3821 Laboratory apparatus and furniture
3822-3822 Automatic controls for regulating residential & commercial environments & appliances
3823-3823 Industrial measurement instruments & related products
3824-3824 Totalizing fluid meters & counting devices
3825-3825 Instruments for measuring & testing of electricity & electrical instruments
3826-3826 Lab analytical instruments
3827-3827 Optical instruments and lenses
3829-3829 Misc measuring and controlling devices
3830-3839 Optical instruments and lenses
39 Paper Business Supplies
2520-2549 Office furniture and fixtures
2600-2639 Paper and allied products
2670-2699 Paper and allied products
2760-2761 Manifold business forms
3950-3955 Pens, pencils & other artists’ supplies
40 Boxes Shipping Containers
2440-2449 Wood containers
2640-2659 Paperboard containers, boxes, drums, tubs
3220-3221 Glass containers
3410-3412 Metal cans and shipping containers
41 Trans Transportation
4000-4013 Railroads, line-haul operating
4040-4049 Railway express service
4100-4100 Local & suburban transit & interurban highway passenger transportation
4110-4119 Local & suburban passenger transportation
4120-4121 Taxicabs
4130-4131 Intercity & rural bus transportation (Greyhound)
4140-4142 Bus charter service
4150-4151 School buses
4170-4173 Motor vehicle terminals & service facilities
4190-4199 Misc transit and passenger transportation
4200-4200 Trucking & warehousing
4210-4219 Trucking & courier services, except air
4230-4231 Terminal & joint terminal maintenance
4240-4249 Transportation
4400-4499 Water transport
4500-4599 Air transportation
4600-4699 Pipelines, except natural gas
4700-4700 Transportation services
4710-4712 Freight forwarding
4720-4729 Arrangement of passenger transportation
4730-4739 Arrangement of transportation of freight and cargo
4740-4749 Rental of railroad cars
4780-4780 Misc services incidental to transportation
4782-4782 Inspection and weighing services
4783-4783 Packing and crating
4784-4784 Misc fixed facilities for vehicles
4785-4785 Motor vehicle inspection
4789-4789 Misc transportation services
42 Whlsl Wholesale
5000-5000 Wholesale - durable goods
5010-5015 Wholesale - automotive vehicles & automotive parts & supplies
5020-5023 Wholesale - furniture and home furnishings
5030-5039 Wholesale - lumber and construction materials
5040-5042 Wholesale - professional and commercial equipment and supplies
5043-5043 Wholesale - photographic equipment & supplies
5044-5044 Wholesale - office equipment
5045-5045 Wholesale - computers & peripheral equipment & software
5046-5046 Wholesale - commercial equipment
5047-5047 Wholesale - medical, dental & hospital equipment
5048-5048 Wholesale - ophthalmic goods
5049-5049 Wholesale - professional equipment and supplies
5050-5059 Wholesale - metals and minerals, except petroleum
5060-5060 Wholesale - electrical goods
5063-5063 Wholesale - electrical apparatus and equipment
5064-5064 Wholesale - electrical appliance, TV and radio sets
5065-5065 Wholesale - electronic parts & equipment
5070-5078 Wholesale - hardware, plumbing & heating equipment
5080-5080 Wholesale - machinery, equipment & supplies
5081-5081 Wholesale - machinery & equipment (?)
5082-5082 Wholesale - construction and mining machinery &equipment
5083-5083 Wholesale - farm and garden machinery & equipment
5084-5084 Wholesale - industrial machinery & equipment
5085-5085 Wholesale - industrial supplies
5086-5087 Wholesale - service establishment machinery & equipment (?)
5088-5088 Wholesale - transportation equipment, except motor vehicles
5090-5090 Wholesale - Misc durable goods
5091-5092 Wholesale - sporting goods & toys
5093-5093 Wholesale - scrap and waste materials
5094-5094 Wholesale - jewelry, watches, precious stones & metals
5099-5099 Wholesale - durable goods
5100-5100 Wholesale - nondurable goods
5110-5113 Wholesale - paper and paper products
5120-5122 Wholesale - drugs & drug proprietaries
5130-5139 Wholesale - apparel, piece goods & notions
5140-5149 Wholesale - groceries & related products
5150-5159 Wholesale - farm product raw materials
5160-5169 Wholesale - chemicals & allied products
5170-5172 Wholesale - petroleum and petroleum products
5180-5182 Wholesale - beer, wine & distilled alcoholic beverages
5190-5199 Wholesale - Misc nondurable goods
43 Rtail Retail
5200-5200 Retail - retail-building materials, hardware, garden supply
5210-5219 Retail - lumber & other building materials
5220-5229 Retail
5230-5231 Retail - paint, glass & wallpaper stores
5250-5251 Retail - hardware stores
5260-5261 Retail - nurseries, lawn & garden supply stores
5270-5271 Retail - mobile home dealers
5300-5300 Retail - general merchandise stores
5310-5311 Retail - department stores
5320-5320 Retail - general merchandise stores (?)
5330-5331 Retail - variety stores
5334-5334 Retail - catalog showroom
5340-5349 Retail
5390-5399 Retail - Misc general merchandise stores
5400-5400 Retail - food stores
5410-5411 Retail - grocery stores
5412-5412 Retail - convenience stores
5420-5429 Retail - meat & fish markets
5430-5439 Retail - fruit and vegetable markets
5440-5449 Retail - candy, nut & confectionary stores
5450-5459 Retail - dairy products stores
5460-5469 Retail - bakeries
5490-5499 Retail - Misc food stores
5500-5500 Retail - automotive dealers and gas stations
5510-5529 Retail - automotive dealers
5530-5539 Retail - automotive and home supply stores
5540-5549 Retail - gasoline service stations
5550-5559 Retail - boat dealers
5560-5569 Retail - recreation vehicle dealers
5570-5579 Retail - motorcycle dealers
5590-5599 Retail - automotive dealers
5600-5699 Retail - apparel & accessory stores
5700-5700 Retail - home furniture and equipment stores
5710-5719 Retail - home furnishings stores
5720-5722 Retail - household appliance stores
5730-5733 Retail - radio, TV and consumer electronic stores
5734-5734 Retail - computer and computer software stores
5735-5735 Retail - record and tape stores
5736-5736 Retail - musical instrument stores
5750-5799 Retail
5900-5900 Retail - Misc
5910-5912 Retail - drug & proprietary stores
5920-5929 Retail - liquor stores
5930-5932 Retail - used merchandise stores
5940-5940 Retail - Misc
5941-5941 Retail - sporting goods stores & bike shops
5942-5942 Retail - book stores
5943-5943 Retail - stationery stores
5944-5944 Retail - jewelry stores
5945-5945 Retail - hobby, toy and game shops
5946-5946 Retail - camera and photographic supply stores
5947-5947 Retail - gift, novelty & souvenir shops
5948-5948 Retail - luggage & leather goods stores
5949-5949 Retail - sewing & needlework stores
5950-5959 Retail
5960-5969 Retail - non-store retailers (catalogs, etc)
5970-5979 Retail
5980-5989 Retail - fuel dealers & ice stores (Penn Central Co)
5990-5990 Retail - Misc retail stores
5992-5992 Retail - florists
5993-5993 Retail - tobacco stores and stands
5994-5994 Retail - newsdealers and news stands
5995-5995 Retail - optical goods stores
5999-5999 Misc retail stores
44 Meals Restaurants, Hotels, Motels
5800-5819 Retail - eating places
5820-5829 Restaurants, hotels, motels
5890-5899 Eating and drinking places
7000-7000 Hotels & other lodging places
7010-7019 Hotels & motels
7040-7049 Membership hotels and lodging houses
7213-7213 Services - linen supply
45 Banks Banking
6000-6000 Depository institutions
6010-6019 Federal reserve banks
6020-6020 Commercial banks
6021-6021 National commercial banks
6022-6022 State commercial banks - Fed Res System
6023-6024 State commercial banks - not Fed Res System
6025-6025 National commercial banks - Fed Res System
6026-6026 National commercial banks - not Fed Res System
6027-6027 National commercial banks, not FDIC
6028-6029 Misc commercial banks
6030-6036 Savings institutions
6040-6059 Banks (?)
6060-6062 Credit unions
6080-6082 Foreign banks
6090-6099 Functions related to depository banking
6100-6100 Non-depository credit institutions
6110-6111 Federal credit agencies
6112-6113 FNMA
6120-6129 S&Ls
6130-6139 Agricultural credit institutions
6140-6149 Personal credit institutions (Beneficial)
6150-6159 Business credit institutions
6160-6169 Mortgage bankers and brokers
6170-6179 Finance lessors
6190-6199 Financial services
46 Insur Insurance
6300-6300 Insurance
6310-6319 Life insurance
6320-6329 Accident and health insurance
6330-6331 Fire, marine & casualty insurance
6350-6351 Surety insurance
6360-6361 Title insurance
6370-6379 Pension, health & welfare funds
6390-6399 Misc insurance carriers
6400-6411 Insurance agents, brokers & service
47 RlEst Real Estate
6500-6500 Real estate
6510-6510 Real estate operators and lessors
6512-6512 Operators - non-resident buildings
6513-6513 Operators - apartment buildings
6514-6514 Operators - other than apartment
6515-6515 Operators - residential mobile home
6517-6519 Lessors of railroad & real property
6520-6529 Real estate
6530-6531 Real estate agents and managers
6532-6532 Real estate dealers
6540-6541 Title abstract offices
6550-6553 Land subdividers & developers
6590-6599 Real estate
6610-6611 Combined real estate, insurance, etc
48 Fin Trading
6200-6299 Security and commodity brokers, dealers, exchanges & services
6700-6700 Holding & other investment offices
6710-6719 Holding offices
6720-6722 Management investment offices, open-end
6723-6723 Management investment offices, closed-end
6724-6724 Unit investment trusts
6725-6725 Face-amount certificate offices
6726-6726 Unit investment trusts, closed-end
6730-6733 Trusts
6740-6779 Investment offices
6790-6791 Misc investing
6792-6792 Oil royalty traders
6793-6793 Commodity traders
6794-6794 Patent owners & lessors
6795-6795 Mineral royalty traders
6798-6798 REIT
6799-6799 Investors, NEC
49 Other Almost Nothing
4950-4959 Sanitary services
4960-4961 Steam & air conditioning supplies
4970-4971 Irrigation systems
4990-4991 Cogeneration - SM power producer
