Standard Industrial Code (SIC) INDEX - H
A B C1 C2 C3 D E F G H I J K L M N O P Q R S T U V W X Y Z

5611 Haberdashery stores-retail
0912 Haddock, catching of
5131 Hair accessories-wholesale
3523 Hair clippers for animal use, hand and electric-mfg
3999 Hair clippers for human use, hand and electric-mfg
2844 Hair coloring preparations-mfg
3999 Hair curlers, designed for beauty parlors-mfg
3634 Hair curlers, electric-mfg
3965 Hair curlers, except equipment designed for beauty parlor use-mfg
3069 Hair curlers, rubber-mfg
3999 Hair dryers, designed for beauty parlors-mfg
3634 Hair dryers, electric: except equipment designed for beauty parlor use-mfg
3999 Hair goods: braids, nets, switches, toupees, and wigs-mfg
3999 Hair nets-mfg
3991 Hair pencils (artists' brushes)-mfg
2844 Hair preparations: dressings, rinses, tonics, and scalp conditioners-mfg
5122 Hair preparations-wholesale
7299 Hair removal (electrolysis)
7241 Hair stylists, men's
7299 Hair weaving or replacement service
5159 Hair, animal-wholesale
2299 Hair, curled: for upholstery, pillow, and quilt filling-mfg
3999 Hair, dressing of, for the trade-mfg
5199 Hairbrushes-wholesale
2231 Haircloth: wool, mohair, and similar animal fibers-mfg
7231 Hairdressers
2844 Hairdressings, dyes, bleaches, tonics, and removers-mfg
3999 Hairpin mountings-mfg
3965 Hairpins, except rubber-mfg
3069 Hairpins, rubber-mfg
3495 Hairsprings, made from purchased wire-mfg
2026 Half and half-mfg
2759 Halftones, engraved-mfg
8361 Halfway group homes for persons with social or personal problems
8361 Halfway homes for delinquents and offenders
3674 Hall effect devices-mfg
2679 Halloween lanterns, papier-mache-mfpm-mfg
3199 Halters (harness)-mfg
2064 Halvah (candy)-mfg
2015 Ham, poultry-mfg
5812 Hamburger stands
3523 Hammer and roughage mills (agricultural machinery)-mfg
3462 Hammer forgings, not made in rolling mills-mfg
3531 Hammer mills (rock and ore crushing machines), portable-mfg
3532 Hammer mills (rock and ore crushing machines), stationary-mfg
3423 Hammers (handtools)-mfg
3542 Hammers, drop: for forging and shaping metal-mfg
2499 Hammers, meat: wood-mfg
3931 Hammers, piano-mfg
3531 Hammers, pile driving-mfg
3542 Hammers, power (forging machinery)-mfg
3546 Hammers: portable electric and pneumatic: e.g., chipping, riveting, caulking-mfg
2399 Hammocks, fabric-mfpm-mfg
2514 Hammocks, metal or fabric and metal combination-mfg
2449 Hampers, fruit and vegetable: veneer and splint-mfg
3444 Hampers, laundry: sheet metal-mfg
2499 Hampers, laundry: rattan, reed, splint, veneer, and willow-mfg
2653 Hampers, shipping: paperboard and solid fiber-mfpm-mfg
2655 Hampers, shipping: vulcanized fiber-mfpm-mfg
2013 Hams, except poultry-mfpm-mfg
2011 Hams, except poultry-mitse-mfg
7219 Hand laundries
3843 Hand pieces and parts, dental-mfg
3953 Hand stamps, stencils, and brands-mfg
2284 Hand-knitting thread: cotton, silk, manmade fibers, and wool-mfg
3999 Handbag frames-mfg
3111 Handbag leather-mfg
5632 Handbag stores-retail
3172 Handbags, men's: regardless of material-mfg
3911 Handbags, precious metal-mfg
3171 Handbags, women's: of all materials, except precious metal-mfg
5137 Handbags-wholesale
7997 Handball clubs, membership
7999 Handball courts, except membership clubs
7319 Handbill distribution service
3429 Handcuffs-mfg
2211 Handkerchief fabrics, cotton-mfg
2389 Handkerchiefs, except paper-mfpm-mfg
5136 Handkerchiefs, men's and boys'-wholesale
2676 Handkerchiefs, paper-mfpm-mfg
5137 Handkerchiefs: women's and children's-wholesale
3751 Handle bars, motorcycle and bicycle-mfg
2426 Handle blanks, wood-mfg
2411 Handle bolts, wood: hewn-mfg
2426 Handle stock, sawed or planed-mfg
3089 Handles, brush and tool: plastics-mfg
3261 Handles, faucet: vitreous china and earthenware-mfg
3069 Handles, rubber-mfg
3999 Handles, umbrella and parasol: except precious metal-mfg
3911 Handles, umbrella and parasol: gold and silver-mfg
3199 Handles, whip and luggage: leather-mfg
2499 Handles, wood: turned and shaped-mfg
5072 Handsaws-wholesale
7389 Handtool designers
5072 Handtools, except automotive and machinists' precision-wholesale
3546 Handtools, power-driven: woodworking or metalworking-mfg
5251 Handtools-retail
2299 Handwoven fabrics-mfg
7389 Handwriting analysis
3721 Hang gliders-mfg
3442 Hangar doors, sheet metal-mfg
4581 Hangar operation
2499 Hangers, garment: wood-mfg
3496 Hangers, garment: made from purchased wire-mfg
3861 Hangers: photographic film, plate, and paper-mfg
5063 Hanging and fastening devices, electrical-wholesale
2621 Hanging paper (wallpaper stock)-mitse-mfg
1629 Harbor construction-general contractors
1389 Hard banding service: on a contract basis
1221 Hard coal surface mining, except Pennsylvania anthracite
1222 Hard coal underground mining, except Pennsylvania anthracite
2298 Hard fiber cordage and twine-mfg
3069 Hard rubber products-mfg
3069 Hard surface floor coverings: rubber-mfg
3996 Hard surfaced floor coverings, except rubber and cork-mfg
2493 Hardboard-mfg
5031 Hardboard-wholesale
2899 Hardening compounds, concrete-mfg
3398 Hardening of metal for the trade-mfg
3829 Hardness testing equipment-mfg
3496 Hardware cloth, woven wire: made from purchased wire-mfg
5251 Hardware stores-retail
5013 Hardware, automotive-wholesale
5072 Hardware, heavy-wholesale
3089 Hardware, plastics-mfg
3644 Hardware, pole line-mfg
5063 Hardware, pole line-wholesale
5072 Hardware, shelf or light-wholesale
3999 Hardware, stage-mfg
2426 Hardwood dimension-mfg
2861 Hardwood distillates-mfg
1752 Hardwood flooring-contractors
2435 Hardwood plywood composites-mfg
2435 Hardwood veneer or plywood-mfg
3931 Harmonicas-mfg
3679 Harness assemblies for electronic use: wire and cable-mfg
2842 Harness dressing-mfg
5191 Harness equipment-wholesale
3429 Harness hardware-mfg
3111 Harness leather-mfg
5191 Harness made to individual order-wholesale
7699 Harness repair shops
3694 Harness wiring sets for internal combustion engines-mfg
3199 Harness, dog-mfg
3199 Harnesses and harness parts-mfg
3931 Harps and parts-mfg
3931 Harpsichords-mfg
3523 Harrows: disc, spring, and tine-mfg
2353 Harvest hats, straw-mfg
5083 Harvesting machinery and equipment-wholesale
3523 Harvesting machines-mfg
3634 Hassock fans, electric-mfg
2392 Hassocks, textile-mfg
5131 Hat and cap material-wholesale
2241 Hat band fabrics-mfg
3999 Hat blocks and display forms-mfg
2353 Hat bodies: fur-felt, straw, and wool-felt-mfg
3161 Hat boxes, except paper or paperboard-mfg
2396 Hat findings, men's-mfg
2396 Hat linings and trimmings, men's-mfg
3559 Hat making and hat renovating machinery-mfg
5611 Hat stores, men's and boys'-retail
0921 Hatcheries, fish
0254 Hatcheries, poultry
3423 Hatchets-mfg
7251 Hatcleaning and blocking shops
3942 Hats, doll-mfg
2371 Hats, fur-mfg
2386 Hats, leather-mfg
5136 Hats, men's and boys'-wholesale
2679 Hats, paper-mfpm-mfg
2353 Hats, trimmed-mfg
2353 Hats: fur-felt, straw, and wool-felt-mfg
2353 Hats: textiles, straw, fur-felt, and wool-felt-mfg
5137 Hats: women's, children's, and infants'-wholesale
2253 Hats-mitse-mfg
2396 Hatters' fur-mfg
4212 Hauling live animals, local
4212 Hauling, by dump truck
4212 Hauling, farm to market
3523 Hay balers and presses, farm-mfg
0139 Hay farms
3423 Hay forks-mfg
3423 Hay knives-mfg
0722 Hay mowing, raking, baling, and chopping
2048 Hay, cubed-mfg
5191 Hay-wholesale
5083 Haying machinery-wholesale
3523 Haying machines: mowers, rakes, loaders, stackers, balers, presses, etc.-mfg
4953 Hazardous waste material disposal sites
8351 Head Start centers, except in conjunction with schools
2044 Head rice-mfg
2511 Headboards, wood-mfg
2013 Headcheese-mfpm-mfg
3542 Headers-mfg
2411 Heading bolts, wood: hewn-mfg
2429 Heading, barrel (cooperage stock): sawed or split-mfg
3647 Headlights (fixtures), vehicular-mfg
3679 Headphones, radio-mfg
3931 Heads, banjo and drum-mfg
3679 Heads, recording for speech and musical equipment-mfg
3812 Heads-up display (HUD) systems, aeronautical-mfg
3661 Headsets, telephone-mfg
2369 Headwear: girls', children's, and infants'-mfpm-mfg
2253 Headwear-mitse-mfg
6321 Health and accident insurance
8399 Health and welfare councils
5499 Health food stores-retail
5149 Health foods-wholesale
6411 Health insurance coverage consulting service
6399 Health insurance for pets
6321 Health insurance, indemnity plans: except medical service
3641 Health lamps, infrared and ultraviolet-radiation-mfg
8099 Health screening service
9431 Health statistics centers-government
8399 Health systems agencies
7629 Hearing aid repair
3842 Hearing aids-mfg
5999 Hearing aids-retail
5047 Hearing aids-wholesale
8099 Hearing testing service
3713 Hearse bodies-mfg
4119 Hearse rental with drivers
7514 Hearse rental, without drivers
3711 Hearses (motor vehicles)-mfg
7514 Hearses and limousines, rental without drivers
3845 Heart-lung machine-mfg
5084 Heat exchange equipment, industrial-wholesale
3443 Heat exchangers: industrial, scientific, and nuclear-mfg
2899 Heat insulating compounds-mfg
3292 Heat insulating materials except felt: for covering boilers, pipes, etc.-mfg
3585 Heat pumps, electric-mfg
3861 Heat sensitized paper made from purchased paper-mfg
3443 Heat transfer drives (finned tubing)-mfg
3398 Heat treating of metal for the trade-mfg
3567 Heat treating ovens-mfg
2899 Heat treating salts-mfg
3052 Heater hose, plastics or rubber-mfg
3269 Heater parts, pottery-mfg
3255 Heater radiants, clay-mfg
3634 Heaters, immersion: household-electric-mfg
3714 Heaters, motor vehicle-mfg
3634 Heaters, space: electric-mfg
3433 Heaters, space: except electric-mfg
3569 Heaters, swimming pool: electric-mfg
3433 Heaters, swimming pool: oil or gas-mfg
3634 Heaters, tape-mfg
3585 Heating and air conditioning combination units-mfg
3433 Heating apparatus, except electric or warm air-mfg
1711 Heating equipment installation-contractors
3567 Heating equipment, induction-mfg
4741 Heating of railroad cars
3634 Heating pads, electric-mfg
4961 Heating systems, steam (suppliers of heat)
3567 Heating units and devices, industrial: electric-mfg
3634 Heating units for electric appliances-mfg
3634 Heating units, baseboard or wall: electric (radiant heating element)-mfg
1711 Heating, with or without sheet metalwork-contractors
2819 Heavy water-mfg
3552 Heddles for loom harnesses, wire-mfg
3421 Hedge shears and trimmers, except power-mfg
3524 Hedge trimmers, power-mfg
3131 Heel caps, leather or metal-mfg
3131 Heel lifts, leather-mfg
3131 Heels, boot and shoe: finished wood or leather-mfg
3089 Heels, boot and shoe: plastics-mfg
3069 Heels, boot and shoe: rubber, composition, and fiber-mfg
3493 Helical springs, hot wound: for railroad equipment and vehicles-mfg
4522 Helicopter carriers
3721 Helicopters-mfg
2813 Helium-mfg
3949 Helmets, athletic-mfg
3199 Helmets, except athletic: leather-mfg
2353 Helmets, jungle-cloth: wool-lined-mfg
3842 Helmets, space-mfg
3469 Helmets, steel-mfg
7363 Help supply service
8322 Helping hand services
1011 Hematite mining
2835 Hematology diagnostic reagents-mfg
2836 Hematology products, except in vitro and in vivo reagents-mfg
2861 Hemlock extract-mfg
0831 Hemlock gum, gathering of
3841 Hemodialysis apparatus-mfg
2299 Hemp yarn, thread, roving, and textiles-mfg
2395 Hemstitching, for the trade-mfg
2833 Herb grinding, grading, and milling-mfg
2879 Herbicides-mfg
3679 Hermetic seals for electronic equipment-mfg
7694 Hermetics repair
2091 Herring: smoked, salted, dried, and pickled-mfg
2869 Hexamethylenediamine-mfg
2869 Hexamethylenetetramine-mfg
2211 Hickory stripes, cotton-mfg
5159 Hides (may include curing)-wholesale
2011 Hides and skins, cured or uncured-mfg
3111 Hides: tanning, currying, and finishing-mfg
2511 High chairs, children's: wood-mfg
3542 High energy rate metal forming machines-mfg
2892 High explosives-mfg
5731 High fidelity (hi-fi) equipment-retail
5064 High fidelity (hi-fi) equipment-wholesale
2046 High fructose syrup-mfg
3313 High percentage ferroalloys-mfg
3313 High percentage nonferrous additive alloys, except copper-mfg
2819 High purity grade chemicals, inorganic: refined from technical grades-mfg
2869 High purity grade chemicals, organic: refined from technical grades-mfg
8211 High schools
3297 High temperature mortar, nonclay-mfg
3443 High vacuum coaters, metal plate-mfg
3441 Highway bridge sections, prefabricated metal-mfg
4785 Highway bridges, operation of
1622 Highway construction, elevated-general contractors
1611 Highway construction, except elevated-general contractors
2899 Highway fusees-mfg
3444 Highway guardrails, sheet metal-mfg
1731 Highway lighting and electrical signal construction-contractors
9221 Highway patrols
3669 Highway signals, electric-mfg
1611 Highway signs, installation of-contractors
3429 Hinge tubes-mfg
3429 Hinges-mfg
8699 Historical clubs, other than professional
3799 Hitches, trailer-mfg
5092 Hobby kits-wholesale
5945 Hobby shops-retail
3944 Hobbyhorses-mfg
3545 Hobs-mfg
5084 Hobs-wholesale
7997 Hockey clubs, except professional and semiprofessional
3949 Hockey equipment, except uniforms and footwear-mfg
0721 Hoeing
3423 Hoes, garden and masons'-mfg
0213 Hog farms
3523 Hog feeding, handling, and watering equipment-mfg
3496 Hog rings, made from purchased wire-mfg
2011 Hog slaughtering plants-mfg
5154 Hogs-wholesale
2449 Hogsheads, wood: coopered-mfg
3537 Hoists, aircraft loading-mfg
3536 Hoists, except aircraft loading and automobile wrecker hoists-mfg
3536 Hoists, hand-mfg
3536 Hoists, overhead-mfg
5084 Hoists-wholesale
3999 Holders, cigar and cigarette-mfg
3952 Holders, pencil-mfg
3089 Holders, plastics: papertowel, grocery bag, dust mop and broom-mfg
3841 Holders, surgical needle-mfg
3861 Holders: photographic film, plate, and paper-mfg
6719 Holding companies, except bank
3914 Hollowware, silver, nickel silver, pewter, stainless steel, and plated-mfg
3199 Holsters, leather-mfg
8082 Home health care services
1522 Home improvements, residential: except single-family-general contractors
1521 Home improvements, single-family-general contractors
2844 Home permanent kits-mfg
7221 Home photographers
3651 Home tape recorders: cassette, cartridge, and reel-mfg
3541 Home workshop machine tools, metalworking-mfg
5932 Homefurnishing stores, secondhand-retail
**** Homefurnishing, except antique-retail-see kind of furnishing
5932 Homefurnishings, antique-retail
5023 Homefurnishings-wholesale
8322 Homemaker's service, primarily nonmedical
8641 Homeowner associations, except property management
8361 Homes for children, with health care incidental
8361 Homes for destitute men and women
8361 Homes for the aged, with health care incidental
8361 Homes for the deaf or blind, with health care incidental
8361 Homes for the emotionally disturbed, with health care incidental
8361 Homes for the mentally handicapped, with health care incidental
8059 Homes for the mentally retarded with health care, except skilled and intermediate care facilities
8361 Homes for the physically handicapped, with health care incidental
2043 Hominy grits prepared as cereal breakfast food-mfg
2041 Hominy grits, except breakfast food-mfg
2033 Hominy, canned-mfg
3556 Homogenizing machinery: dairy, fruit, vegetable, and other foods-mfg
3291 Hones-mfg
0279 Honey production
0752 Honey straining on the farm
2099 Honey, strained and bottled-mfg
5149 Honey-wholesale
2679 Honeycomb core and board-mfpm-mfg
3999 Honeycomb foundations (beekeepers' supplies)-mfg
3469 Honeycombed metal-mfg
3541 Honing and lapping machines-mfg
3545 Honing heads-mfg
9223 Honor camps-government
3443 Hoods, industrial: metal plate-mfg
3714 Hoods, motor vehicle-mfg
3444 Hoods, range: sheet metal-mfg
2273 Hooked rugs-mfg
3965 Hooks and eyes-mfg
3443 Hooks, crane: laminated plate-mfg
3965 Hooks, crochet-mfg
3949 Hooks, fishing-mfg
3452 Hooks, gate-mfg
3452 Hooks, screw-mfg
3423 Hooks: bush, grass, baling, and husking-mfg
3312 Hoops, galvanized iron and steel-mfg
3312 Hoops, iron and steel: made in steel works or hot-rolling mills-mfg
3499 Hoops, metal: other than wire-mfg
2429 Hoops, wood: for tight or slack cooperage-sawed or split-mfg
5149 Hop extract-wholesale
0139 Hop farms
3545 Hopper feed devices-mfg
3537 Hoppers, end dump-mfg
3443 Hoppers, metal plate-mfg
3444 Hoppers, sheet metal-mfg
5159 Hops-wholesale
3812 Horizon situation instrumentation-mfg
2834 Hormone preparations, except diagnostics-mfg
2833 Hormones and derivatives-mfg
2879 Hormones, plant-mfg
3714 Horns, motor vehicle-mfg
3944 Horns, toy-mfg
3429 Horse bits-mfg
2399 Horse blankets-mfpm-mfg
3199 Horse boots and muzzles-mfg
0272 Horse farms
7999 Horse shows
2824 Horsehair, artificial: nylon-mfg
2823 Horsehair, artificial: rayon-mfg
2011 Horsemeat for human consumption-mitse-mfg
2048 Horsemeat, except for human consumption-mfg
2035 Horseradish, prepared-mfg
0752 Horses, boarding or training (except racehorses)
7948 Horses, race: owners of
7948 Horses, race: training
7948 Horses, racing of
5159 Horses-wholesale
3462 Horseshoe calks, forged: not made in rolling mills-mfg
3315 Horseshoe nails-mfg
7699 Horseshoeing
3462 Horseshoes, not made in rolling mills-mfg
0781 Horticultural advisory or counseling services
3429 Hose clamps-mfg
3429 Hose couplings-mfg
2241 Hose fabrics, tubular-mfg
3492 Hose fittings and assemblies, fluid power: metal-mfg
5085 Hose, belting, and packing: industrial-wholesale
3569 Hose, fire: except rubber-mfg
3599 Hose, flexible metallic-mfg
3052 Hose, plastics or rubber-mfg
3052 Hose: cotton fabric, rubber lined-mfg
3999 Hosiery kits, sewing and mending-mfg
3552 Hosiery machines-mfg
7389 Hosiery pairing on a contract or fee basis
5632 Hosiery stores-retail
3842 Hosiery, elastic: orthopedic-mfg
2252 Hosiery, except women's and misses' full-length and knee-length-mfg
5136 Hosiery, men's and boys'-wholesale
3842 Hosiery, support-mfg
2251 Hosiery, women's full-length and knee-length, except socks-mfg
5137 Hosiery: women's, children's, and infants'-wholesale
6324 Hospital and medical service plans
2599 Hospital beds-mfg
1542 Hospital construction-general contractors
3537 Hospital dollies-mfg
5047 Hospital equipment-wholesale
5047 Hospital furniture-wholesale
5137 Hospital gowns: women's and children's-wholesale
2326 Hospital service apparel, washable: men's-mfg
2392 Hospital sheets, nonwoven textiles-mfg
3365 Hospital utensils, cast aluminum: except die-castings-mfg
3469 Hospital utensils, porcelain enameled-mfg
8069 Hospitals, specialty: except psychiatric
3089 Hospitalware, plastics: except foam-mfg
7011 Hostels
3479 Hot dip coating of metals and formed products, for the trade-mfg
5812 Hot dog (frankfurter) stands
1389 Hot oil treating of oil field tanks: on a contract basis
1389 Hot shot service: on a contract basis
3547 Hot strip mill machinery-mfg
3255 Hot top refractories, clay-mfg
3297 Hot top refractories, nonclay-mfg
2449 Hot tubs, coopered-mfg
3088 Hot tubs, plastics or fiberglass-mfg
5999 Hot tubs-retail
5091 Hot tubs-wholesale
3639 Hot water heaters, household: including nonelectric-mfg
3493 Hot wound springs, except wire springs-mfg
3312 Hot-rolled iron and steel products-mfg
1522 Hotel construction-general contractors
7389 Hotel reservation service
3262 Hotel tableware and kitchen articles, vitreous china-mfg
7041 Hotels operated by organizations for members only
7011 Hotels, except residential
6513 Hotels, residential: operators
7011 Hotels, seasonal
8322 Hotlines
3634 Hotplates, electric-mfg
3821 Hotplates, laboratory-mfg
1521 House construction, single-family-general contractors
5963 House delivery of purchased milk-retail
8712 House designers
1799 House moving-contractors
1721 House painting-contractors
3142 House slippers-mfg
7519 House trailer rental
5963 House-to-house selling of coffee, soda, beer, bottled water, or other products-retail
1521 House: shell erection, single-family-general contractors
7999 Houseboat rentals
3732 Houseboats, building and repairing-mfg
2384 Housecoats, except children's and infants'-mfpm-mfg
2369 Housecoats: girls', children's, and infants'-mfpm-mfg
2253 Housecoats-mitse-mfg
2335 Housedresses: women's, misses', and juniors'-mfpm-mfg
2392 Housefurnishings, except curtains and draperies-mfg
5722 Household appliance stores, electric or gas-retail
2842 Household bleaches, dry or liquid-mfg
3991 Household brooms and brushes-mfg
3263 Household earthenware, semivitreous-mfg
2512 Household furniture upholstered on wood frames, except dual-purpose sleep furniture-mfg
2519 Household furniture, glass and plastics-mfg
2511 Household furniture, wood: except upholstered-mfg
2519 Household furniture: rattan, reed, malacca, fiber, willow, and wicker-mfg
5712 Household furniture-retail
5021 Household furniture-wholesale
3069 Household gloves, rubber-mfg
4214 Household goods moving, local: combined with storage
4226 Household goods warehousing and storage, without local trucking
2879 Household insecticides-mfg
3262 Household tableware and kitchen articles, vitreous china-mfg
2899 Household tints and dyes-mfg
3365 Household utensils, cast aluminum: except die-castings-mfg
3469 Household utensils, porcelain enameled-mfg
3469 Household utensils, stamped and pressed metal-mfg
2499 Household woodenware-mfg
8811 Households, private: employing cooks, maids, chauffeurs, gardeners, etc.
7349 Housekeeping (cleaning service) on a contract or fee basis
9223 Houses of correction-government
2452 Houses, portable: prefabricated wood-except mobile homes-mfg
3448 Houses, prefabricated: metal-mfg
3792 Housetrailers, except as permanent dwellings-mfg
5719 Housewares stores-retail
5963 Housewares: house-to-house, telephone or party plan selling-retail
9531 Housing agencies, nonoperating-government
9531 Housing authorities, nonoperating-government
6531 Housing authorities, operating
3443 Housing cabinets for radium, metal plate-mfg
3272 Housing components, prefabricated: concrete-mfg
3444 Housings for business machines, sheet metal: except stamped-mfg
3469 Housings for business machines, stamped metal-mfg
3443 Housings, pressure-mfg
3489 Howitzers, more than 30 mm. (or more than 1.18 inch)-mfg
3559 Hub and die-cutting machines (jewelers)-mfg
3465 Hub caps, automotive: stamped-mfg
3728 Hubs, aircraft propeller-mfg
2499 Hubs, wood-mfg
2211 Huck toweling-mfg
0831 Huckleberry greens, gathering of
5963 Hucksters-retail
1061 Huebnerite mining
0723 Hulling and shelling of tree nuts
3523 Hulling machinery, agricultural-mfg
8742 Human resource consultants
8699 Humane societies, animal
5075 Humidifiers and dehumidifiers, except portable-wholesale
5064 Humidifiers and dehumidifiers, portable-wholesale
3634 Humidifiers, electric: portable-mfg
3585 Humidifying equipment, except portable-mfg
3822 Humidistats: wall, duct, and skeleton-mfg
3822 Humidity controls, air-conditioning types-mfg
3829 Humidity instruments, except industrial process and air-conditioning type-mfg
3823 Humidity instruments, industrial process type-mfg
7997 Hunt clubs, membership
5941 Hunters' equipment-retail
7032 Hunting camps
0971 Hunting carried on as a business enterprise
2329 Hunting coats and vests, men's-mfpm-mfg
7999 Hunting guides
3421 Hunting knives-mfg
0971 Hunting preserves, operation of
3423 Husking hooks-mfg
3674 Hybrid integrated circuits-mfg
2819 Hydrated alumina silicate powder-mfg
3274 Hydrated lime-mfg
5085 Hydraulic and pneumatic pistons and valves-wholesale
3593 Hydraulic cylinders, fluid power-mfg
3714 Hydraulic fluid power pumps for automotive steering mechanisms-mfg
2869 Hydraulic fluids, synthetic base-mfg
2992 Hydraulic fluids-mfpm-mfg
1389 Hydraulic fracturing wells on a contract basis
3492 Hydraulic hose assemblies-mfg
3594 Hydraulic pumps, aircraft-mfg
3511 Hydraulic turbine generator set units, complete-mfg
3511 Hydraulic turbines-mfg
3492 Hydraulic valves, including aircraft: fluid power-metal-mfg
2819 Hydrazine-mfg
2911 Hydrocarbon fluid, produced in petroleum refineries-mfg
2869 Hydrocarbon gases, fluorinated-mfg
2819 Hydrochloric acid-mfg
2819 Hydrocyanic acid-mfg
1629 Hydroelectric plant construction-general contractors
2899 Hydrofluoric acid compound, for etching and polishing glass-mfg
2819 Hydrofluoric acid-mfg
3732 Hydrofoil boats-mfg
3731 Hydrofoil vessels-mfg
2819 Hydrogen peroxide-mfg
2819 Hydrogen sulfide-mfg
2813 Hydrogen-mfg
3561 Hydrojet marine engine units-mfg
2046 Hydrol-mfg
3829 Hydrometers, except industrial process type-mfg
3823 Hydrometers, industrial process type-mfg
3822 Hydronic circulator control, automatic-mfg
5074 Hydronic heating equipment and supplies-wholesale
3822 Hydronic limit control-mfg
3822 Hydronic pressure and temperature controls-mfg
3812 Hydrophones-mfg
3443 Hydropneumatic tanks, metal plate-mfg
0182 Hydroponic crops, grown under cover
2865 Hydroquinone-mfg
3594 Hydrostatic drives (transmissions)-mfg
8734 Hydrostatic testing laboratories
3594 Hydrostatic transmissions-mfg
2819 Hydrosulfites-mfg
3842 Hydrotherapy equipment-mfg
3829 Hygrometers, except industrial process type-mfg
3829 Hygrothermographs-mfg
2822 Hypalon-mfg
8299 Hypnosis schools
8049 Hypnotists, offices of
3841 Hypodermic needles and syringes-mfg
2819 Hypophosphites-mfg

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