| Accident and Health Insurance | 6321 |
| Adhesive Manufacturing | 2891 |
| Administration Of Public Health Programs | 9431 |
| Administration Of Social, Human Resource and Income Maintenance Programs | 9441 |
| Administrative Management and General Management Consulting Services | 8742 |
| Advertising Agencies | 7311 |
| Air Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 3585 |
| Air Courier Services | 4513 |
| Airplane Manufacturing | 3721 |
| All Other Amusement and Recreation Industries | 7911, 7997, 7999 |
| All Other General Merchandise Stores | 5331, 5399 |
| All Other Health and Personal Care Stores | 5999 |
| All Other Leather Good and Allied Product Manufacturing | 3199 |
| All Other Misc. Ambulatory Health Care Services | 8099 |
| All Other Misc. Crop Farming | 0139, 0191 |
| All Other Misc. Electrical Equipment and Component Manufacturing | 3629, 3699 |
| All Other Misc. Fabricated Metal Product Manufacturing | 3499 |
| All Other Misc. Food Manufacturing | 2032, 2099 |
| All Other Misc. Manufacturing | 3999 |
| All Other Misc. Nonmetallic Mineral Product Manufacturing | 3299 |
| All Other Misc. Textile Product Mills | 2299, 2399 |
| All Other Misc. Wood Product Manufacturing | 2426, 2499 |
| All Other Nonmetallic Mineral Mining | 1499 |
| All Other Petroleum and Coal Products Manufacturing | 3312 |
| All Other Plastics Product Manufacturing | 3089 |
| All Other Publishers | 2741 |
| All Other Rubber Product Manufacturing | 3069 |
| All Other Specialty Food Stores | 5451, 5499 |
| All Other Specialty Trade Contractors | 7353 |
| All Other Transportation Equipment Manufacturing | 3799 |
| Alumina Refining and Primary Aluminum Production | 2819, 3334 |
| Aluminum Foundries (except Die - Casting) | 3365 |
| Aluminum Rolling and Drawing, Not Elsewhere Classified | 3355 |
| Aluminum Sheet | 3353 |
| Amusement Arcades | 7993 |
| Animal (except Poultry) Slaughtering | 2011 |
| Apiculture | 0279 |
| Apparel Accessories and Other Apparel Manufacturing | 2396 |
| Architectural Services | 8712 |
| Asphalt Paving Mixture and Block Manufacturing | 2951 |
| Asphalt Shingle and Coating Materials Manufacturing | 2952 |
| Automatic Environment Control Manufacturing. For Residential | 3822 |
| Automobile and Other Motor Vehicle Merchant Wholesalers | 5012 |
| Automotive Body | 7532 |
| Automotive Exhaust System Repair | 7533 |
| Automotive Glass Replacement Shops | 7536 |
| Automotive Parts and Accessories Stores | 5531 |
| Automotive Transmission Repair | 7537 |
| Bands, Orchestras, Actors, and Other Entertainers and Entertainment Groups | 7929 |
| Barber Shops | 7241 |
| Bare Printed Circuit Board Manufacturing | 3672 |
| Beer and Ale Merchant Wholesalers | 5181 |
| Beer | 5921 |
| Boat Building | 3732 |
| Boat Dealers | 5551 |
| Bolt | 3452 |
| Book Publishers | 2731 |
| Book Stores | 5942 |
| Bowling Centers | 7933 |
| Breweries | 2082 |
| Brick | 5032 |
| Bus Charter Service, Except Local | 4142 |
| Business Associations | 8611 |
| Cable and Other Subscription Programming | 4841 |
| Calculating and Accounting Machines (no Electronic Computers) | 3578 |
| Car Washes | 7542 |
| Carpet and Upholstery Cleaning Services | 7217 |
| Casino Hotels | 7011 |
| Cattle Feedlots | 0211 |
| Cement Manufacturing | 3241 |
| Cemeteries and Crematories | 6553, 7261 |
| Cheese Manufacturing | 2022 |
| Chicken Egg Production | 0252 |
| Child Day Care Services | 8351 |
| Childrens and Infants Clothing Stores | 5641 |
| Civic and Social Organizations | 8641 |
| Clay Building Material and Refractories Manufacturing | 3251, 3253 |
| Coin - Operated Laundries and Drycleaners | 7215 |
| Collection Agencies | 7322 |
| Colleges | 8221 |
| Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | 7623 |
| Commercial Art and Graphic Design | 7336 |
| Commercial Bakeries | 2051 |
| Commercial Printing (except Screen and Books) | 2752, 2754, 2759, 2761 |
| Commercial | 3646 |
| Communication Equipment Repair and Maintenance | 7622 |
| Computer and Office Machine Repair and Maintenance | 7378 |
| Computer Peripheral Equipment, Nec | 3577 |
| Computer Systems Design Services | 7373 |
| Computer Terminal and Other Computer Peripheral Equipment Manufacturing | 3575 |
| Computer Training | 8243 |
| Concrete Block and Brick Manufacturing | 3271 |
| Concrete Pipe Manufacturing | 3272 |
| Confectionery and Nut Stores | 5441 |
| Confectionery Merchant Wholesalers | 5145 |
| Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers | 5082 |
| Construction Machinery Manufacturing | 3531 |
| Consumer Electronics Repair and Maintenance | 7629 |
| Consumer Lending | 6141 |
| Continuing Care Retirement Centers | 8059 |
| Convenience Stores | 5411 |
| Conveyor and Conveying Equipment Manufacturing | 3535 |
| Correctional Institutions | 9223 |
| Corrugated and Solid Fiber Box Manufacturing | 2653 |
| Cosmetology and Barber Schools | 7231 |
| Court Reporting and Stenotype Services | 7338 |
| Courts | 9211 |
| Credit Bureaus | 7323 |
| Current - Carrying Wiring Device Manufacturing | 3643 |
| Curtain and Linen Mills | 2391 |
| Custom Architectural Woodwork and Millwork Manufacturing | 2511 |
| Custom Computer Programming Services | 7371 |
| Cut Stone and Stone Product Manufacturing | 3281 |
| Cutting Tool and Machine Tool Accessory Manufacturing | 3545 |
| Dairy Cattle and Milk Production | 0241 |
| Dairy Product (except Dried or Canned) Merchant Wholesalers | 5143 |
| Data Processing | 7374 |
| Dental Equipment and Supplies Manufacturing | 3845 |
| Dental Equipment and Supplies | 3843 |
| Dental Laboratories | 8072 |
| Department Stores (except Discount Department Stores) | 5311 |
| Diagnostic Imaging Centers | 8071 |
| Direct Mail Advertising | 7331 |
| Direct Property and Casualty Insurance Carriers | 6331 |
| Doll | 3944 |
| Dredging: Gold - Endless Bucket or Ladder Type | 1081 |
| Dried and Dehydrated Food Manufacturing | 2034 |
| Drinking Places (alcoholic Beverages) | 5813 |
| Drugs and Druggists' Sundries Merchant Wholesalers | 5122 |
| Dry Pea and Bean Farming | 0119 |
| Drycleaning and Laundry Services (except Coin - Operated) | 7211, 7216 |
| Drywall and Insulation Contractors | 1742 |
| Electric and Gas Welding and Soldering Equipment | 3548 |
| Electric and Other Services Combined | 4931 |
| Electric Power Distribution | 4911 |
| Electrical Apparatus and Equipment | 5063 |
| Electrical Contractors and Other Wiring Installation Contractors | 1731 |
| Electronic Auctions | 5961 |
| Electronic Computer Manufacturing | 3571 |
| Electronics Stores | 5045, 5731, 5734 |
| Electroplating | 3471 |
| Elementary and Secondary Schools | 8211 |
| Engineered Wood Member (except Truss) Manufacturing | 2439 |
| Engineering Services | 8711 |
| Environment | 8399 |
| Ethyl Alcohol Manufacturing | 2869 |
| Executive Offices | 9111 |
| Exterminating and Pest Control Services | 4959, 7342 |
| Fabricated Pipe and Pipe Fitting Manufacturing | 3498 |
| Fabricated Structural Metal Manufacturing | 3441 |
| Family Clothing Stores | 5651 |
| Family Planning Centers | 8093 |
| Farm and Garden Machinery and Equipment Merchant Wholesalers | 5083 |
| Farm Machinery and Equipment Manufacturing | 3523 |
| Farm Product Warehousing and Storage | 4221 |
| Farm Supplies Merchant Wholesalers | 5191, 5261 |
| Finishers Of Broadwoven Fabrics Of Manmade Fiber and Silk | 2262 |
| Fire Protection | 9224 |
| Fish and Seafood Markets | 5421 |
| Fish and Seafood Merchant Wholesalers | 5146 |
| Fitness and Recreational Sports Centers | 7991 |
| Flat Glass Manufacturing | 3211 |
| Flavoring Syrup and Concentrate Manufacturing | 2087 |
| Flight Training | 8249 |
| Floor Covering Stores | 5713 |
| Flooring Contractors | 1752 |
| Florists | 5992 |
| Flower | 5193 |
| Food Product Machinery Manufacturing | 3556 |
| Footwear Merchant Wholesalers | 5139 |
| Formal Wear and Costume Rental | 7299 |
| Framing Contractors | 1751 |
| Freestanding Ambulatory Surgical and Emergency Centers | 8011 |
| Freight Transportation Arrangement | 4731 |
| Fresh Fruit and Vegetable Merchant Wholesalers | 5148 |
| Fruit and Vegetable Markets | 5431 |
| Fuel Dealers | 5983, 5989 |
| Furniture Merchant Wholesalers | 5021 |
| Furniture Stores | 5712 |
| Garment Pressing, and Agents For Laundries and Drycleaners | 7212 |
| Gasket | 3053 |
| Gasoline Stations With Convenience Stores | 5541 |
| General Automotive Repair | 7538 |
| General Contractors - Industrial Buildings and Warehouses | 1541 |
| General Contractors - Nonresidential Buildings, Other Than Industrial Buildings and Warehouses | 1542 |
| General Farms, Primarily Livestock and Animal Specialties | 0291 |
| General Industrial Machinery and Equipment, Nec | 3569 |
| General Line Grocery Merchant Wholesalers | 5141 |
| General Medical and Surgical Hospitals | 8062 |
| General Rental Centers | 7359 |
| General Warehousing and Storage | 4225 |
| Gift | 5947 |
| Girls', Children's, and Infants' Outerwear, Not Elsewhere Classified | 2369 |
| Glass and Glazing Contractors | 1793 |
| Glass Container Manufacturing | 3221 |
| Gold Ore Mining | 1041 |
| Grain and Field Bean Merchant Wholesalers | 5153 |
| Grantmaking Foundations | 6732 |
| Grape Vineyards | 0172 |
| Greeting Card Publishers | 2771 |
| Hardware Manufacturing | 3429 |
| Hardware Merchant Wholesalers | 5072 |
| Hardware Stores | 5251 |
| Hardwood Veneer and Plywood Manufacturing | 2435 |
| Hazardous Waste Treatment and Disposal | 4953 |
| Heating Equipment (except Warm Air Furnaces) Manufacturing | 3433 |
| Highway | 1622, 1721 |
| Hobby | 5945 |
| Home Furnishing Merchant Wholesalers | 5023 |
| Home Health Care Services | 8082 |
| Home Health Equipment Rental | 7352 |
| Hosiery and Sock Mills | 2252 |
| Household Appliance Stores | 5722 |
| Household Appliances | 5064 |
| Household Furniture (except Wood and Metal) Manufacturing | 2519 |
| Hunting and Trapping | 0971 |
| Ice Cream and Frozen Dessert Manufacturing | 2024 |
| Ice Manufacturing | 2097 |
| Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 3564 |
| Industrial and Personal Service Paper Merchant Wholesalers | 5113 |
| Industrial Machinery and Equipment Merchant Wholesalers | 5084 |
| Industrial Mold Manufacturing | 3544 |
| Industrial Supplies Merchant Wholesalers | 5085 |
| Industrial Truck | 3537 |
| Instrument Manufacturing. For Measuring and Testing Electricity and Electrical Signals | 3825 |
| Instruments and Related Products Manufacturing. For Measuring | 3823, 3829 |
| Investment Advice | 6282 |
| Investors, Nec | 6799 |
| Iron and Steel Forging | 3462 |
| Iron and Steel Pipe and Tube Manufacturing. From Purchased Steel | 3317 |
| Iron Foundries | 3321 |
| Janitorial Services | 7349 |
| Jewelry Stores | 5944 |
| Jewelry | 5094 |
| Junior Colleges and Technical Institutes | 8222 |
| Kidney Dialysis Centers | 8092 |
| Labor Unions and Similar Labor Organizations | 8631 |
| Land, Mineral, Wildlife, and Forest Conservation | 9512 |
| Land Subdivision | 6552 |
| Landscape Architectural Services | 0781 |
| Landscaping Services | 0782, 0783 |
| Lessors Of Nonresidential Buildings (except Miniwarehouses) | 6512 |
| Lessors Of Other Real Estate Property | 6515, 6519 |
| Lessors Of Residential Buildings and Dwellings | 6513, 6514 |
| Libraries and Archives | 8231 |
| Limousine Service | 4119 |
| Line - Haul Railroads | 4011 |
| Linen Supply | 7219 |
| Livestock Merchant Wholesalers | 5154 |
| Livestock Services, Except Veterinary | 0751 |
| Local Messengers and Local Delivery | 4215 |
| Local Trucking With Storage | 4214 |
| Logging | 2411 |
| Lumber | 5031, 5039 |
| Machine Shops | 3599 |
| Machine Tool Manufacturing | 3541 |
| Manufactured (mobile) Home Dealers | 5271 |
| Marinas | 4493 |
| Marine Cargo Handling | 4491 |
| Masonry Contractors | 1741, 1771 |
| Mattress Manufacturing | 2515 |
| Meat and Meat Product Merchant Wholesalers | 5147 |
| Meat Processed From Carcasses | 2013 |
| Mechanical Power Transmission Equipment Manufacturing | 3568 |
| Media Buying Agencies | 7319 |
| Media Representatives | 7313 |
| Medical | 5047 |
| Mens and Boys Clothing and Furnishings Merchant Wholesalers | 5136 |
| Men's and Boys' Cut and Sew Apparel Manufacturing | 2329 |
| Men's and Boys' Underwear and Nightwear | 2322 |
| Mens Clothing Stores | 5611 |
| Metal Coating | 3479 |
| Metal Heat Treating | 3398 |
| Metal Household Furniture Manufacturing | 2514 |
| Metal Kitchen Cookware | 3421, 3469 |
| Metal Service Centers and Other Metal Merchant Wholesalers | 5051 |
| Mineral Wool Manufacturing | 3296 |
| Mining Machinery and Equipment Manufacturing | 3532 |
| Miscellaneous Business Credit Institution | 6159 |
| Miscellaneous Home Furnishings Stores | 5719 |
| Mortgage and Nonmortgage Loan Brokers | 6163 |
| Motion Picture and Video Distribution | 7822 |
| Motion Picture and Video Production | 7812 |
| Motor and Generator Manufacturing | 3621 |
| Motor Vehicle Parts (used) Merchant Wholesalers | 5015 |
| Motor Vehicle Supplies and New Parts Merchant Wholesalers | 5013 |
| Motor Vehicle Towing | 7549 |
| Motorcycle | 3751, 5571, 5599 |
| Museums | 8412 |
| Musical Instrument and Supplies Stores | 5735, 5736 |
| Musical Instrument Manufacturing | 3931 |
| Narrow Fabric Mills and Schiffli Machine Embroidery | 2397 |
| National Security | 9711 |
| Natural Gas Liquid Extraction | 1311 |
| New Car Dealers | 5511 |
| New Housing For - Sale Builders | 1531 |
| New Multifamily Housing Construction (except For - Sale Builders) | 1522 |
| Newspaper Publishers | 2711 |
| Nitrogenous Fertilizer Manufacturing | 2873 |
| Nonclassifiable Establishments | 9999 |
| Noncommercial Research Organizations | 8733 |
| Nonferrous Metal Die - Casting Foundries | 3364 |
| Nonferrous Metal (except Aluminum) Smelting and Refining | 3339 |
| Nonferrous Metal (except Copper and Aluminum) Rolling | 3356, 3357 |
| Nursery and Tree Production | 0181 |
| Nursing Care Facilities (skilled Nursing Facilities) | 8051, 8052 |
| Office Equipment Merchant Wholesalers | 5044 |
| Office Supplies and Stationery Stores | 5112 |
| Office Supplies (except Paper) Manufacturing | 3953 |
| Offices and Clinics Of Doctors Of Osteopathy | 8031 |
| Offices Of Bank Holding Cos | 6712 |
| Offices Of Chiropractors | 8041 |
| Offices Of Dentists | 8021 |
| Offices Of Lawyers | 8111 |
| Offices Of Mental Health Practitioners (except Physicians) | 8049 |
| Offices Of Optometrists | 8042 |
| Offices Of Other Holding Cos | 6719 |
| Offices Of Podiatrists | 8043 |
| Optical Goods Stores | 5995 |
| Organization Hotels and Lodging Houses, On Membership Basis | 7041 |
| Ornamental and Architectural Metal Work Manufacturing | 3446 |
| Other Accounting Services | 8721 |
| Other Activities Related To Real Estate | 6531 |
| Other Aircraft Parts and Auxiliary Equipment Manufacturing | 3728 |
| Other Aluminum Rolling | 3354 |
| Other Animal Food Manufacturing | 2048 |
| Other Automotive Mechanical and Electrical Repair and Maintenance | 7539 |
| Other Building Equipment Contractors | 1796 |
| Other Building Finishing Contractors | 1799 |
| Other Building Material Dealers | 5074, 5211, 5231 |
| Other Business Service Centers (including Copy Shops) | 7334 |
| Other Chemical and Allied Products Merchant Wholesalers | 5169 |
| Other Clothing Stores | 5699 |
| Other Commercial and Service Industry Machinery Manufacturing | 3581, 3589 |
| Other Commercial Equipment Merchant Wholesalers | 5046 |
| Other Communications Equipment Manufacturing | 3669 |
| Other Computer Related Services | 7379 |
| Other Crushed and Broken Stone Mining and Quarrying | 1429 |
| Other Direct Selling Establishments | 5963 |
| Other Electronic Component Manufacturing | 3679 |
| Other Electronic Parts and Equipment Merchant Wholesalers | 5065 |
| Other Farm Product Raw Material Merchant Wholesalers | 5159 |
| Other General Government Support | 9199 |
| Other Grocery and Related Products Merchant Wholesalers | 5149 |
| Other Heavy and Civil Engineering Construction | 8741 |
| Other Industrial Machinery Manufacturing | 3559 |
| Other Lighting Equipment Manufacturing | 3648 |
| Other Management Consulting Services | 8748 |
| Other Misc. Durable Goods Merchant Wholesalers | 5099 |
| Other Misc. Nondurable Goods Merchant Wholesalers | 5199 |
| Other Motor Vehicle Parts Manufacturing | 3714 |
| Other Nonscheduled Air Transportation | 7335 |
| Other Personal and Household Goods Repair and Maintenance | 7692 |
| Other Pressed and Blown Glass and Glassware Manufacturing | 3229 |
| Other Professional Equipment and Supplies Merchant Wholesalers | 5049 |
| Other Residential Care Facilities | 8361 |
| Other Similar Organizations (except Business | 8699 |
| Other Support Activities For Air Transportation | 4581 |
| Other Support Activities For Water Transportation | 4499 |
| Other Warehousing and Storage | 4226 |
| Outdoor Advertising | 7312 |
| Packaged Frozen Food Merchant Wholesalers | 5142 |
| Packaging Machinery Manufacturing | 3565 |
| Paint and Coating Manufacturing | 2851 |
| Paint | 5198 |
| Paper Bag and Coated and Treated Paper Manufacturing | 2672 |
| Passenger Car Rental | 7514 |
| Patent Owners and Lessors | 6794 |
| Pesticide and Other Agricultural Chemical Manufacturing | 2879 |
| Pet Care (except Veterinary) Services | 0752 |
| Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals) | 5172 |
| Petroleum Refineries | 2911 |
| Pharmaceutical Preparation Manufacturing | 2834 |
| Pharmacies and Drug Stores | 5912 |
| Photofinishing Laboratories (except One - Hour) | 7384 |
| Photographic and Photocopying Equipment Manufacturing | 3861 |
| Photography Studios | 7221 |
| Piece Goods | 5131 |
| Pipeline Transportation Of Crude Oil | 4612 |
| Pipeline Transportation of Refined Petroleum Products | 4613 |
| Plastics Material and Resin Manufacturing | 2821 |
| Plastics Materials and Basic Forms and Shapes Merchant Wholesalers | 5162 |
| Plastics Plumbing Fixture Manufacturing | 3088 |
| Pleating, Decorative and Novelty Stitching, and Tucking For The Trade | 2395 |
| Plumbing Fixture Fitting and Trim Manufacturing | 3432 |
| Plumbing | 1711 |
| Police Protection | 9221 |
| Postharvest Crop Activities (except Cotton Ginning) | 0723 |
| Poured Concrete Foundation and Structure Contractors | 1611 |
| Power and Communication Line and Related Structures Construction | 1623 |
| Power - Driven Handtool Manufacturing | 3546 |
| Prefabricated Wood Building Manufacturing | 2452 |
| Printing and Writing Paper Merchant Wholesalers | 5111 |
| Professional and Management Development Training | 8299 |
| Professional Organizations | 8621 |
| Promoters Of Performing Arts | 7941 |
| Psychiatric and Substance Abuse Hospitals | 8069 |
| Public Finance, Taxation, and Monetary Policy | 9311 |
| Public Relations Agencies | 8743 |
| Pump and Pumping Equipment Manufacturing | 3561 |
| Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 3663 |
| Radio Stations | 4832 |
| Ready - Mix Concrete Manufacturing | 3273 |
| Real Estate Credit | 6162 |
| Real Estate Investment Trusts | 6798 |
| Record Production | 8999 |
| Recreational and Vacation Camps (except Campgrounds) | 7032 |
| Recreational Vehicle Dealers | 5561 |
| Recyclable Material Merchant Wholesalers | 5093 |
| Refrigeration Equipment and Supplies Merchant Wholesalers | 5078 |
| Regulation, Licensing, and Inspection Of Miscellaneous Commercial Sectors | 9651 |
| Regulatn Of Agricult Mktg And Commodities | 9641 |
| Relay and Industrial Control Manufacturing | 3625 |
| Religious Organizations | 8661 |
| Research and Development In Biotechnology | 8732 |
| Residential Remodelers | 1521 |
| Retail Bakeries | 5461 |
| Reupholstery and Furniture Repair | 7641 |
| Rolling Mill and Other Metalworking Machinery Manufacturing | 3547, 3549 |
| Roofing | 5033 |
| Rooming and Boarding Houses | 7021 |
| Rope | 2298 |
| Rubber and Plastics Hoses and Belting Manufacturing | 3052 |
| Rubber Product Manufacturing. For Mechanical Use | 3061 |
| Rv (recreational Vehicle) Parks and Campgrounds | 7033 |
| Satellite Telecommunications | 4899 |
| Sawmill | 3553, 3554 |
| Sawmills | 2421 |
| Seafood Product Preparation and Packaging | 2091 |
| Security Guards and Patrol Services | 7381 |
| Security Systems Services (except Locksmiths) | 7382 |
| Semiconductor and Related Device Manufacturing | 3674 |
| Service Establishment Equipment and Supplies Merchant Wholesalers | 5087 |
| Services - Commercial Physical & Biological Research | 8731 |
| Services - Computer Rental & Leasing | 7377 |
| Services - Employment Agencies | 7361 |
| Sewing | 5949 |
| Sheet Metal Work Manufacturing | 3444 |
| Shoe Stores | 5661 |
| Short - Term Business Credit Institutions | 6153 |
| Siding Contractors | 1761 |
| Sign Manufacturing | 3993 |
| Silver Ore Mining | 1044 |
| Site Preparation Contractors | 1629, 1794, 1795 |
| Small Arms | 3489 |
| Snack and Nonalcoholic Beverage Bars | 5812 |
| Soft Drink Manufacturing | 2086 |
| Software and Other Prerecorded Compact Disc | 7372 |
| Soil Preparation | 0721 |
| Specialized Freight (except Used Goods) Trucking | 4212, 4213 |
| Sporting and Athletic Goods Manufacturing | 3949 |
| Sporting and Recreational Goods and Supplies Merchant Wholesalers | 5091 |
| Sporting Goods Stores | 5941 |
| Spring Manufacturing | 3493 |
| Stationery Stores | 5943 |
| Steel Foundries (except Investment) | 3325 |
| Storage Battery Manufacturing | 3691 |
| Structural Steel and Precast Concrete Contractors | 1791 |
| Support Activities For Animal Production | 7699 |
| Support Activities For Coal Mining | 1241 |
| Support Activities For Forestry | 0851 |
| Support Activities For Oil and Gas Operations | 1389 |
| Support Activities For Printing | 2789, 2791 |
| Support Activities For Rail Transportation | 4789 |
| Surgical Appliance and Supplies Manufacturing | 3842 |
| Surveying and Mapping (except Geophysical) Services | 8713 |
| Switchgear and Switchboard Apparatus Manufacturing | 3613 |
| Tax Preparation Services | 7291 |
| Taxi Service | 4121 |
| Telecommunications Resellers | 4813 |
| Teleproduction and Other Postproduction Services | 7819 |
| Temporary Help Services | 7363 |
| Temporary Shelters | 8322 |
| Terminal Maintenance Facilities For Motor Freight Transport | 4231 |
| Testing Laboratories | 8734 |
| Textile Bag and Canvas Mills | 2393, 2394 |
| Theater Cos. and Dinner Theaters | 7922 |
| Tile and Terrazzo Contractors | 1743 |
| Tire and Tube Merchant Wholesalers | 5014 |
| Title Abstract and Settlement Offices | 6541 |
| Tobacco and Tobacco Product Merchant Wholesalers | 5194 |
| Tour Operators | 4725 |
| Toy and Hobby Goods and Supplies Merchant Wholesalers | 5092 |
| Travel Agencies | 4724 |
| Travel Trailer and Camper Manufacturing | 3792 |
| Truck Trailer Manufacturing | 3715 |
| Truck | 7513, 7519 |
| Trusts | 6733 |
| Unit Investment Trusts, Face - Amount Certificate Offices, and Closed - End Management Investment Offices | 6726 |
| Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing | 3081 |
| Used Car Dealers | 5521 |
| Vending Machine Operators | 5962 |
| Veterinary Services | 0741, 0742 |
| Video Tape and Disc Rental | 7841 |
| Vocational Rehabilitation Services | 8331 |
| Warm Air Heating and Air - Conditioning Equipment and Supplies Merchant Wholesalers | 5075 |
| Watch, Clock, and Jewelry Repair | 7631 |
| Water and Sewer Line and Related Structures Construction | 1781 |
| Water Supply and Irrigation Systems | 4941, 4971 |
| Wheat Farming | 0111 |
| Wine and Distilled Alcoholic Beverage Merchant Wholesalers | 5182 |
| Wineries | 2084 |
| Wireless Telecommunications Carriers (except Satellite) | 4812 |
| Women's Accessory and Specialty Stores | 5632 |
| Womens Clothing Stores | 5621 |
| Women's Handbag and Purse Manufacturing | 3171 |
| Women's, Misses', and Juniors' Outerwear, Not Elsewhere Classified | 2339 |
| Womens | 5137 |
| Wood Container and Pallet Manufacturing | 2448, 2449 |
| Wood Kitchen Cabinet and Countertop Manufacturing | 2434 |
| Wood Office Furniture Manufacturing | 2521 |
| Wood Window and Door Manufacturing | 2431 |
