 Accountants | Accounting, Auditing, and Bookkeeping Services |
| Adhesives & Sealants | Adjustment and Collection Services |
| Administration | Administration of Educational Programs |
| Adult Entertainment | Advertising |
| Advertising Agencies | Aerospace |
| Aerospace Industries | Agricultural Engineers |
| Agriculture | Agriculture & Food |
| Agriculture - Forestry & Mining | Air & Water Balancing |
| Air Cargo Services | Air Conditioning & Heating |
| Air Conditioning Contractors & Systems | Air Courier Services |
| Air Transportation, Nonscheduled | Air Transportation, Scheduled |
| Aircraft Parts and Auxiliary Equipment | Aircrafts |
| Airlines | Airports |
| Airports, Flying Fields, and Airport Terminal Services | Aluminum Foundries |
| Aluminum Rolling and Drawing | Amusement and Recreation Services |
| Amusement Parks | Analytical instruments |
| Animal Specialty Services, Except Veterinary | Apartments |
| Apparel and Accessories | Appliances - Household - Service & Repair |
| Appliances - Major | Appliances - Small |
| Arboreta and Botanical or Zoological Gardens | Architects |
| Architectural and Ornamental Metal Work | Architectural Services |
| Arrangement of Passenger Transportation | Arrangement of Transportation of Freight and Cargo |
| Art & Culture | Art Galleries |
| Arts & Crafts Shops | Arts Organizations & Information |
| Associations | Astrology & Numerology |
| Athletic Wear | Audio & Visual |
| Auto and Home Supply Stores | Auto Antiques & Classics |
| Auto Body & Repair | Auto Body Work |
| Auto Dealers | Auto Dealers - New Cars |
| Auto Insurance | Auto Mechanics |
| Auto Parts & Supplies | Auto Performance |
| Auto Racing & Race Tracks | Auto Radio & Stereo Systems |
| Auto Repair | Auto Repair & Service |
| Auto Security | Auto Service |
| Auto Transmissions | Auto Transport |
| Automation | Automobile Auctions |
| Automobile Parking | Automobiles & Trucks |
| Automobiles and Other Motor Vehicles | Automotive |
| Automotive Dealers | Automotive Exhaust System Repair Shops |
| Automotive General Repair | Automotive Glass |
| Automotive Glass Replacement Shops | Automotive Repair Shops |
| Automotive Sales | Automotive Services |
| Automotive Transmission Repair Shops | Aviation Consultants |
| Baby Accessories | Bagel Shops |
| Bakeries | Bakers & Bakeries |
| Ball and Roller Bearings | Balloons & Novelties |
| Banks | Banquet Halls |
| Barbecue Restaurants | Barber Shops |
| Barbers | Bars & Clubs |
| Baseball Clubs & Parks | Bathroom Planning & Remodeling |
| Beauty Salons | Beauty Shops |
| Beauty Supplies | Bed & Bath |
| Beer | Beverages |
| Bicycle Dealers | Billiards & Pool |
| Biological Products, Except Diagnostic Substances | Boat Building and Repairing |
| Boat Dealers | Boat Equipment & Supplies |
| Boat Repair | Boats - Charter & Rental |
| Bolts, Nuts, Screws, Rivets, and Washers | Book Binders & Book Printers |
| Book Publishing | Book Stores |
| Bookkeeping Service | Bottled and Canned Soft Drinks and Carbonated Waters |
| Bowling Centers | Bowling Centres |
| Boxes - Corrugated & Fiber | Boxes - Paper |
| Brake Service | Bread and Other Bakery Products, Except Cookies and Crackers |
| Brewers | Brick, Stone, and Related Construction Materials |
| Brokers | Brooms and Brushes |
| Building Cleaning and Maintenance Services | Building Contractors |
| Building Materials | Building Materials & Supplies |
| Buildings - Metal | Burglar Alarm Systems & Equipment |
| Bus Lines | Buses - Charter & Rental |
| Business & Personal Services | Business & Retail Services |
| Business & Trade Organizations | Business & Vocational Schools |
| Business Associations | Business Brokers |
| Business Consultants | Business Services |
| Cabinet Making | Cabinetry |
| Cable and Other Pay Television Services | Cable Television Companies |
| Cafeterias | Calculating and Accounting Machines |
| Camping | Camping Equipment |
| Candy & Confectionery | Candy and Other Confectionery Products |
| Candy, Nut, and Confectionery Stores | Canoes & Kayaks |
| Canvas and Related Products | Car Financing & Loans |
| Car Wash | Carbon and graphite products |
| Career Counseling | Cargo & Freight Containers |
| Carpenters | Carpentry Work |
| Carpet | Carpet & Rug Cleaners |
| Carpet & Rugs | Carpet & Upholstery Cleaning |
| Carpet and Upholstery Cleaning | Carwashes |
| Catalog and Mail-order Houses | Cellular |
| Cellulosic manmade fibers | Cement |
| Cemetary | Check Cashing Services |
| Cheese & Dairy | Chemicals and Allied Products |
| Chemicals and Chemical Preparations | Child Day Care Services |
| Children's & Infant Wear | Children's and Infants' Wear Stores |
| Chinese Restaurants | Chiropractors |
| Chocolate and Cocoa Products | Churches |
| Cigar & Cigarette | Civic, Social, and Fraternal Associations |
| Cleaners | Climbing & Hiking Equipment & Supplies |
| Clinics | Clocks - Dealers & Repair |
| Closets | Clothing - Wholesale & Manufacturers |
| Clowns | Coal and Other Minerals and Ores |
| Coated and Laminated Paper | Coating, Engraving, and Allied Services |
| Coffee | Coffee & Tea |
| Coffee Shops | Coin-Operated Amusement Devices |
| Coin-Operated Laundries and Drycleaning | Cold-Rolled Steel Sheet, Strip, and Bars |
| Collection Agencies | Colleges & Universities |
| Colleges, Universities, and Professional Schools | Comic Books |
| Commercial Art and Graphic Design | Commercial Economic, Sociological, and Educational Research |
| Commercial Equipment | Commercial Photography |
| Commercial Physical and Biological Research | Commercial Printing |
| Commercial Printing, Lithographic | Communications Equipment |
| compressors | Computer & Equipment Dealers |
| Computer and Computer Software Stores | Computer Communications Consultants |
| Computer Consultants | Computer Equipment |
| Computer Graphics | Computer Hardware & Software |
| Computer Integrated Systems Design | Computer Maintenance and Repair |
| Computer Manufacturers | Computer Processing and Data Preparation and Processing Services |
| Computer Renting & Leasing | Computer Services |
| Computer Software & Development | Computer Software & Services |
| Computer Technician | Computer Training |
| Computers | Concrete |
| Concrete Work | Condominiums |
| Confectionery | Construction Machinery & Equipment |
| Construction Machinery and Equipment | Construction Materials |
| Consulates & Foreign Offices | Consultants |
| Consulting Engineers | Contact Lenses |
| Contractors | Contractors - Equipment & Supplies |
| Convenience Stores | Convention & Meeting Facilities & Services |
| Conveyors and Conveying Equipment | Cookies and Crackers |
| Copper Foundries | Copying & Duplicating Services |
| Corrugated and Solid Fiber Boxes | Cosmetics |
| Cosmetics & Perfumes | Counselling |
| Countertops | Courier & Delivery Service |
| Craft Supplies | Credit Cards & Other Credit Plans |
| Credit Counselling | Credit Reporting Agencies |
| Credit Unions | Crop Planting, Cultivating, and Protecting |
| Crop Preparation Services for Market | Crowns and closures |
| Custom Brokers | Custom compound purchased resins |
| Cut Stone and Stone Products | Cutlery |
| Cutting Tools- Accessories- & Measuring Devices | Dairy Farms |
| Dairy Products | Dairy Products Stores |
| Dance Companies | Dance Constumes |
| Dance Schools | Dance Studios, Schools, and Halls |
| Data Processing Services | Delicatessens |
| Dental Clinics | Dental Equipment and Supplies |
| Dentists | Department Stores |
| Desktop Publishing | Diaper Services |
| Die-Cut Paper and Paperboard and Cardboard | Dimension Stone |
| Direct Mail | Direct Selling Establishments |
| Disc Jockeys | Discount Stores |
| Disinfecting and Pest Control Services | Distilled and Blended Liquors |
| Diving | Dog Breeding |
| Doughnuts | Drapery, Curtain, and Upholstery Stores |
| Drinking Places (Alcoholic Beverages) | Drug Stores & Pharmacies |
| Drug Stores and Proprietary Stores | Drugs, Drug Proprietaries, and Druggists' Sundries |
| Dry Cleaners | Dry Cleaners & Laundries |
| Dry, Condensed, and Evaporated Dairy Products | Drywall Contractors |
| Durable Goods | Education |
| Education Consultants | Educational & Social Services |
| Electric Equipment & Supplies | Electric Housewares and Fans |
| Electric Lamp Bulbs and Tubes | Electrical |
| Electrical and Electronic Repair Shops | Electrical Apparatus and Equipment Wiring Supplies, and Construction Materials |
| Electrical Appliances, Television and Radio Sets | Electrical Contractors |
| Electrical Equipment | Electrical Services |
| Electrical Work | Electronic Computers |
| Electronic Equipment & Supplies | Electronic Parts and Equipment |
| Electroplating, Plating, Polishing, Anodizing, and Coloring | Elementary and Secondary Schools |
| Elevator Repair | Elevators |
| Employment Agencies | Employment Contractors & Temporary Help |
| Enameled Iron and Metal Sanitary Ware | Energy |
| Energy Conservation Engineers | Engineering |
| Engineering Services | Engineers |
| Engines | Engraving |
| Entertainers | Envelopes |
| Environmental & Ecological Conservation | Environmental & Ecological Products & Services |
| Environmental Services | Equipment Rental and Leasing |
| Equipment Supplies & Rentals | Excavation Contractors |
| Excavation Work | Executive Search Consultants |
| Exercise & Physical Fitness | Exporters |
| Extreme Sports - Parachuting- Bungee Jumping | Fabricated Metal Products |
| Fabricated Pipe and Pipe Fittings | Fabricated Plate Work (Boiler Shops) |
| Fabricated Rubber Products | Fabricated Structural Metal |
| Fabricated Textile Products | Facilities Services |
| Factory Outlet Stores | Family Clothing Stores |
| Farm and Garden Machinery and Equipment | Farm Equipment & Supplies |
| Farm Machinery and Equipment | Farm Management Services |
| Farm Product Warehousing and Storage | Farm Supplies |
| Fast Food | Fasteners |
| Fasteners, Buttons, Needles, and Pins | Fax Machines & Service |
| Fencing | Filing Equipment |
| Financial Consulting | financial institutions |
| Financial Planning Consultants | Financial Services |
| Financing | Finishers of Textiles |
| Fire & Safety | Fire Alarm Systems |
| Fire Alarm Systems & Equipment | Fire Protection |
| Fire Protection Equipment | Fireplaces |
| Fish and Seafoods | Fishing Tackle Dealers |
| Flat Glass | Flavoring Extracts and Flavoring Syrups |
| Flea Markets | Floor Covering Stores |
| Floor Installation | Floor Laying and Other Floor Work |
| Flooring | Flooring Contractors |
| Florists | Flour and Other Grain Mill Products |
| Flowers | Fluid Power Cylinders and Actuators |
| Food | Food Brokers |
| Food Preparations | Food Processors & Manufacturers |
| Food Products | Food Products Machinery |
| Footwear | Foreign Coin Exchange |
| Forestry and Mining | Freight Forwarding |
| Freight Transportation | Fresh Fruits and Vegetables |
| Frozen Food | Frozen Fruits, Fruit Juices, and Vegetables |
| Frozen Specialties | Fruit and Vegetable Markets |
| Fruits & Vegetables | Fuel |
| Functions Related to Depository Banking | Funeral Homes |
| Funeral Service and Crematories | Fur Goods |
| Furniture | Furniture - Cleaning- Refinishing- & Repair |
| Furniture - Office | Furniture - Used |
| Furniture and Fixtures | Furniture Dealers |
| Furniture Stores | Furniture Upholstery |
| Garage Doors | Garden Centres |
| Garment Pressing, and Agents for Laundries and Drycleaners | Gas & Petroleum |
| Gas Companies | Gas Facilities |
| Gaskets, Packing, and Sealing Devices | Gasoline Service Stations |
| General Automotive Repair Shops | General Contractors |
| General Contractors-Industrial Buildings and Warehouses | General Contractors-Nonresidential Buildings, Other than Industrial Buildings and Warehouses |
| General Contractors-Single-Family Houses | General Farms, Primarily Crop |
| General Industrial Machinery and Equipment | General Warehousing and Storage |
| Geriatric Care | Gift, Novelty, and Souvenir Shops |
| Gifts | Girls', Children's, and Infants' Outerwear |
| Glass and Glazing Work | Glass Manufacturers |
| Golf Courses - Miniature | Golf Courses - Private |
| Golf Equipment & Supplies | Golf Instruction |
| Golf Practice Ranges | Gourmet Food |
| Gourmet Shops | Government |
| Grain and Field Beans | Graphic Design |
| Gray and Ductile Iron Foundries | Greeting Cards |
| Groceries and Related Products | Groceries, General Line |
| Grocers & Supermarkets | Grocery Stores |
| Guns & Gunsmiths | Gutters & Downspouts |
| Gymnastics | Hair Removal & Replacement |
| Halls & Auditoriums | Hand and Edge Tools, Except Machine Tools and Handsaws |
| Handbags | Hardware |
| Hardware Stores | Hardwood Veneer and Plywood |
| Hats & Caps | Hats, Caps, and Millinery |
| Health & Diet Foods | Health & Safety |
| Health and Allied Services | Health Care |
| Health Clubs & Gyms | Health Foods |
| Health Services | Hearing Aids |
| Heating & Air Conditioning | Heating & Cooling |
| Heating & Refrigeration | Heating Equipment |
| Heavy Construction | Heavy Construction Equipment Rental and Leasing |
| Help Supply Services | Herbs & Spices |
| Highway and Street Construction, Except Elevated Highways | Hobbies & Models |
| Hobby, Toy, and Game Shops | Hockey Clubs & Instruction |
| Home furnishings | Home Health Care Services |
| Horse Equipment- Supplies- Service- & Training | Hosiery |
| Hospital Supplies | Hospitals |
| Hot Tubs & Spas | Hotels and Motels |
| Household Appliance Stores | Household Audio and Video Equipment |
| Household Cooking Equipment | Household Items |
| Housewares | Ice Cream & Frozen Dessert Shops |
| Immigration Services | Importers |
| Imports | Individual and Family Social Services |
| Industrial & Commercial Machinery | Industrial and Commercial Fans and Blowers and Air Purification Equipment |
| Industrial and Commercial Machinery and Equipment | Industrial and Personal Service Paper |
| Industrial Equipment & Supplies | Industrial Gases |
| Industrial Machinery and Equipment | Industrial Maintenance |
| Industrial Patterns | Industrial Process Furnaces and Ovens |
| Industrial Supplies | Industrial Trucks, Tractors, Trailers, and Stackers |
| Industrial Valves | Information Retrieval Services |
| Inorganic pigments | Installation or Erection of Building Equipment |
| Instrumentations | Insulation Materials |
| Insurance | Insurance - Agents & Brokers |
| Insurance - Consultants & Advisors | Insurance - Life |
| Insurance Agents, Brokers, and Service | Insurance Brokers |
| Intercity and Rural Bus Transportation | Interior Decorators |
| International affairs | International Freight Forwarding |
| Internet & Online Services | Internet Cafes |
| Internet Marketing Services | Investigators |
| Investment Advice | Investment Advisory Service |
| Investment Securities | Investors |
| Iron | Janitorial Services |
| Jewellery Repair | Jewelry Stores |
| Jewelry, Watches, Precious Stones, and Precious Metals | Job Training Services |
| Kennels & Pet Boarding | Kitchen Equipment |
| Knit Outerwear Mills | Knitting Mills |
| Labor Unions and Similar Labor organizations | Laboratories - Medical |
| Laboratories - Research & Development | Laboratories - Testing |
| Laboratory Apparatus and Furniture | Lace and Warp Knit Fabric Mills |
| Land Subdividers and Developers, Except Cemeteries | Landscape |
| Landscape Contractors | Language Schools |
| Laundry and Garment Services | Lawn & Grounds Maintenance |
| Lawn and Garden Services | Lawn Mowers |
| Lawyers | Lawyers - DUI & Traffic Law |
| Leather and Sheep-Lined Clothing | Leather Tanning and Finishing |
| Legal Counsel & Services | Legal Services |
| Legislative Bodies | Libraries |
| Lighting | Lighting Equipment |
| Lighting Wholesales | Limousines |
| Linen Supply | Liquefied Petroleum Gas (Bottled Gas) Dealers |
| Liquor Stores | Loans |
| Local and Suburban Transit | Local Passenger Transportation |
| Local Trucking With Storage | Local Trucking Without Storage |
| Lubricants | Luggage |
| Luggage and Leather Goods Stores | Lumber and Other Building Materials Dealers |
| Lumber Products | Lumber, Plywood, Millwork, and Wood Panels |
| Macaroni, Spaghetti, Vermicelli, and Noodles | Machine Shops |
| Machine Tools, Metal Cutting Types | Magazine Publishers |
| Mail Order & Catalog Shopping | Mailing & Shipping Services |
| Malt Beverages | Management Consultants |
| Management Consulting Services | Management Services |
| Manicures & Pedicures | Manufacturers |
| Manufacturing | Manufacturing Industries |
| Marinas | Marine Cargo Handling |
| Marine Equipment & Supplies | Market Research & Analysis |
| Marking Devices | Martial Arts |
| Masonry Contractors | Masonry, Stone Setting, and Other Stone Work |
| Massage Therapists | Material Handling Services |
| Maternity Apparel | Mattresses |
| Mattresses, Foundations, and Convertible Beds | Maxillofacial |
| Measuring and Controlling Devices | Meat |
| Meat and Fish (Seafood) Markets, Including Freezer Provisioners | Meat Packing Plants |
| Meats and Meat Products | Mechanical Contractors |
| Media & Marketing | Medical |
| Medical Equipment & Supplies | Medical Equipment Rental and Leasing |
| Medical Laboratories | Membership organizations |
| Membership Sports and Recreation Clubs | Men's and Boy's Clothing and Furnishings |
| Men's and Boys' Clothing | Men's Clothing |
| Merchandise | Metal |
| Metal Coating | Metal Doors, Sash, Frames, Molding, and Trim Manufacturing |
| Metal Fabrication | Metal Heat Treating |
| Metal Household Furniture | Metal Stampings |
| Metals Service Centers and Offices | Millwork |
| Millwrights | Mineral Wool |
| Minerals and Earths, Ground or Otherwise Treated | Mining Consultants |
| Mining Machinery and Equipment, Except Oil and Gas Field Machinery and Equipment | Miscellaneous Apparel and Accessory Stores |
| Miscellaneous Fabricated Wire Products | Miscellaneous Food Stores |
| Miscellaneous General Merchandise Stores | Miscellaneous home furnishings Stores |
| Miscellaneous Personal Services | Miscellaneous Publishing |
| Miscellaneous Retail Stores | Miscellaneous Structural Metal Work |
| Mobile Home Dealers | Modelling Agencies |
| Monuments & Markers | Mortgage Brokers |
| Mosques | Motion Picture and Video Tape Distribution |
| Motion Pictures | Motor Vehicle Dealers (New and Used) |
| Motor Vehicle Dealers (Used only) | Motor Vehicle Parts and Accessories |
| Motor Vehicle Parts, Used | Motor Vehicle Supplies and New Parts |
| Motor Vehicles and Passenger Car Bodies | Motorcycle & Motor Scooter Dealers |
| Motorcycle Dealers | Motorcycles & Motor Scooters - Supplies |
| Motors and Generators | Movers |
| Movie Theatres | Mufflers & Exhaust Systems |
| Museums and Art Galleries | Musical Instrument Stores |
| Musical Instruments | Nailed and Lock Corner Wood Boxes and Shook |
| Narrow Fabric and Other Smallware Mills Cotton, Wool, Silk, and Manmade Fiber | National Commercial Banks |
| News Dealers and Newsstands | Newspapers |
| Newspapers Publishing, or Publishing and Printing | Non-deposit Trust Facilities |
| Non-profit Organizations | Nonclassifiable Establishments |
| Nonclay Refractories | Nondurable Goods |
| Nonferrous Die-Castings, Except Aluminum | Nonmetallic Mineral Products |
| Notaries | Nursery Schools - Preschools & Kindergartens |
| Nurses | Nursing and Personal Care Facilities |
| Nutritionists | Office and Store Fixtures, Partitions, Shelving, and Lockers, Except Wood |
| Office Equipment | Office Furniture & Equipment |
| Office Furniture, Except Wood | Office Supplies |
| Offices | Offices and Clinics of Chiropractors |
| Offices and Clinics of Dentists | Offices and Clinics of Doctors of Medicine |
| Offices and Clinics of Health Practitioners | Offices and Clinics of Optometrists |
| Offices and clinics of osteopathic physicians | Offices and Clinics of Podiatrists |
| Offices of Holding Companies | Oil |
| Oil & Gas Exploration | Oil & Gas Exploration & Development |
| Oil & Lubrication | Oils & Fuels |
| Operative Builders | Operators of Nonresidential Buildings |
| Ophthalmic Goods | Ophthalmologists |
| Optical Goods | Optical Goods Stores |
| Ornamental Floriculture and Nursery Products | ornamental Shrub and Tree Services |
| Orthopedic Shoes & Appliances | Orthopedic, Prosthetic, and Surgical Appliances and Supplies |
| Orthotics | Outdoor & Billboard Advertising |
| Overhead Traveling Cranes, Hoists, and Monorail Systems | Package Designing & Development |
| Packaging Machinery | Packaging Service & Supplies |
| Packing and Crating | Pagers & Beepers |
| Paint | Paint, Glass, and Wallpaper Stores |
| Painting and Paper Hanging | Paints, Varnishes, and Supplies |
| Paper Mills | Party Planning Services |
| Party Supplies | Passenger Car Rental |
| Patent Owners and Lessors | Patio Builders |
| Patio Furniture | Paving Contractors |
| Pawn Brokers | Pension & Benefits |
| Perfumes, Cosmetics, and Other Toilet Preparations | Periodicals Publishers |
| Personal Financial Advisors | Personal Leather Goods, Except Women's Handbags and Purses |
| Pest Control | Pet Services & Supplies |
| Pet Shops | Pet Washing & Grooming |
| Petroleum and Petroleum Products Wholesalers, Except Bulk Stations and Terminals | Petroleum Bulk stations and Terminals |
| Petroleum Refining | Pharmaceutical Manufacturers |
| Pharmaceuticals | Pharmacies |
| Phonograph Records and Prerecorded Audio Tapes and Disks | Photo Labs |
| Photocopying | Photofinishing Laboratories |
| Photographers | Photographic Equipment & Sales |
| Photographic Equipment and Supplies | Photography |
| Physical Fitness Facilities | Physical Therapists |
| Physicians & Surgeons | Pickled Fruits and Vegetables, Vegetable Sauces and Seasonings, and Salad Dressings |
| Picture Framing | Piece Goods, Notions, and Other Dry Good |
| Pizza | Plastering, Drywall, Acoustical, and Insulation Work |
| Plastics & Plastic Products - Manufacturers | Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers |
| Plastics Products | Platemaking and Related Services |
| Pleating, Decorative and Novelty Stitching, and Tucking for the Trade | Plumbers |
| Plumbing and Heating Equipment and Supplies (Hydronics) | Plumbing Fixture Fittings and Trim |
| Podiatrists | Police Departments |
| Police Protection | Political Organizations |
| Pollution Assessment & Remediation | Pool Service |
| Post Offices | Pottery Products |
| Poultry | Poultry and Poultry Products |
| Poultry Slaughtering and Processing | Power Laundries, Family and Commercial |
| Power Transmission | Power, Distribution, and Specialty Transformers |
| Prefabricated Metal Buildings and Components | Prefabricated Wood Buildings and Components |
| Prepackaged Software | Prepared Feed and Feed Ingredients for Animals and Fowls, Except Dogs and Cats |
| Pressed and Blown Glass and Glassware | Primary Metal Products, Not Elsewhere Classified |
| Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum | Printing |
| Printing and Writing Paper | Printing Supplies |
| Private Schools | Process Services |
| Production | Professional Equipment and Supplies |
| Professional Services | Professional Sports Clubs and Promoters |
| Property Management | Psychiatrists |
| Public Building and Related Furniture | Public Golf Courses |
| Public Relations Counselors | Publishers |
| Pubs | Pulp Mills |
| Pumps and Pumping Equipment | Racing, Including Track Operation |
| Radio and Television Broadcasting and Communications Equipment | Radio and Television Repair Shops |
| Radio Stations & Broadcasting | Radio, Television, and Consumer Electronics Stores |
| Radio, Television, and Publishers' Advertising Representatives | Radiotelephone Communications |
| Railroad Equipment | Railroads, Line-Haul Operating |
| Real Estate | Real Estate Agents |
| Real Estate Agents and Managers | Real Estate Appraisers |
| Real Estate Developers | Record and Prerecorded Tape Stores |
| Recording Services - Sound & Video | Records - Tapes & Compact Discs |
| Recreational Trips & Tours | Recreational Vehicle Dealers |
| Recreational Vehicles | Refrigerated Warehousing and Storage |
| Refrigeration | Refrigeration and Air-Conditioning Service and Repair Shops |
| Refrigeration Equipment | Refuse Systems |
| Rehabilitation Services | Religious Organizations |
| Renovations | Repair Shops and Related Services |
| Resale Shops | Residential Care |
| Residential Electric Lighting Fixtures | Resorts & Vacation Rentals |
| Restaurant Equipment & Supplies | Restaurants |
| Resume Services | Retail |
| Retail Bakeries | Retail Nurseries, Lawn and Garden Supply Stores |
| Retail Sales | Retirement Planning Consultants & Services |
| Reupholstery and Furniture Repair | Roasted Coffee |
| Rolling, Drawing, and Extruding of Copper | Rolling, Drawing, and Extruding of Nonferrous Metals |
| Roof Cleaning & Maintenance | Roofing Contractors |
| Roofing, Siding, and Insulation Materials | Roofing, Siding, and Sheet Metal Work |
| Rooming and Boarding Houses | Rubbish & Garbage Removal |
| Salted and Roasted Nuts and Seeds | Sanitary Services |
| Saw blades and handsaws | Sawmills |
| Sawmills and Planing Mills, General | Scales and Balances, Except Laboratory |
| Schools | Schools and Educational Services |
| Scrap and Waste Materials | Seafood |
| Search, Detection, Navigation, Guidance, Aeronautical, and Nautical Systems and Instruments | Secretarial and Court Reporting Services |
| Security | Security Brokers, Dealers, and Flotation Companies |
| Security Guard & Patrol Service | Security Services |
| Security Systems | Security Systems Services |
| Semiconductors and related devices | Service Establishment Equipment and Supplies |
| Service Industry Machinery | Services |
| Services Allied to Motion Picture Production | Setup Paperboard Boxes |
| Sewerage Systems | Sewing, Needlework, and Piece Goods Stores |
| Sex Therapists | Sheet Metal Work |
| Sheet Music | Ship Building and Repairing |
| Shoe Repair | Shoe Repair Shops and Shoeshine Parlors |
| Shoe Stores | Shopping Centres & Malls |
| Siding Contractors | Sightseeing Tours |
| Signage Supplies | Signs |
| Signs & Advertising | Signs and Advertising Specialties |
| Silverware, Plated Ware, and Stainless Steel Ware | Skateboarding & Rollerblading |
| Ski & Snowboard Dealers | Snowmobiles |
| Soap and Other Detergents, Except Specialty Cleaners | Social Services |
| Social Services & Organizations | Software |
| Spas | Special Dies and Tools |
| Special Industry Machinery | Special Trade Contractors |
| Special Warehousing and Storage | Specialty Cleaning, Polishing, and Sanitation Preparations |
| Speed Changers, Industrial High-Speed Drives, and Gears | Sporting and Athletic Goods |
| Sporting and Recreational Camps | Sporting and Recreational Goods and Supplies |
| Sporting Goods Stores and Bicycle Shops | Sports & Recreation |
| Sports Cards & Memorabilia | Sports Shops |
| Sprinklers | Stationary |
| Stationers | Stationery, Tablets, and Related Products |
| Steam, Gas, and Hydraulic Turbines, and Turbine Generator Set Units | Steel |
| Steel - Distributors & Warehouses | Steel Manufacturing |
| Steel Pipe and Tubes | Steel Wiredrawing and Steel Nails and Spikes |
| Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills | Stereos |
| Stock & Bond Brokers | Storage |
| Storage - Household & Commercial | Storage Batteries |
| Structural Clay Products | Structural Wood Members |
| Surgical and Medical Instruments and Apparatus | Surveying Services |
| Surveyors | Swimming Pool Contractors - Dealers & Designers |
| Swimming Pool Equipment & Supplies | Swimwear |
| Synagogues | Synthetic Rubber (Vulcanizable Elastomers) |
| T-Shirts | Tanning Salons |
| Tattooing & Body Piercing | Tax Return Preparation Services |
| Tax Returns | Taxicabs |
| Telecommunications | Telecommunications Services |
| Telemarketing | Telephone Communications Services |
| Telephone Equipment & Systems Dealers | Telephone Service |
| Telephone Service & Equipment | Telephone Systems |
| Television Dealers | Television Stations & Broadcasting Cooperatives |
| Tennis Instruction | Terrazzo, Tile, Marble, and Mosaic Work |
| Testing Apparatus | Textile goods |
| Textile Machinery | Theatres - Live |
| Theatres - Movie | Theatrical Producers (Except Motion Picture) and Miscellaneous Theatrical Services |
| Tile & Ceramic Contractors | Tile & Ceramic Dealers |
| Tire Dealers | Tires and Tubes |
| Tobacco and Tobacco Products | Tobacco Stores and Stands |
| Tool Manufacturers | Top, Body, and Upholstery Repair Shops and Paint Shops |
| Tour Operators | Towing |
| Towing and Tugboat Services | Toys |
| Toys and Hobby Goods and Supplies | Transportation |
| Transportation Equipment | Transportation Services |
| Travel | Travel & Tourism |
| Travel Agencies | Travel Trailers and Campers |
| Truck and Bus Bodies | Truck Parts |
| Truck Rental & Leasing | Truck Rental and Leasing, Without Drivers |
| Truck Repair | Truck Repair & Service |
| Truck Trailers | Trucking |
| Trucking - Hauling | Trucking Service |
| Trucking, Except Local | Trusts, Except Educational, Religious, and Charitable |
| Tutoring | Uncoated Paper and Multiwall Bags |
| United States Postal Service | Unsupported Plastics Film and Sheet |
| Upholstery | Urban - Regional Planning |
| Used Cars | Used Merchandise Stores |
| Utility Trailer and Recreational Vehicle Rental | Valves |
| Variety Stores | Vending Machines |
| Veterinarians | Veterinary |
| Video Games | Video Productions |
| Video Tape Rental | Video Tapes & Discs |
| Wallpaper | Warm Air Heating and Air-Conditioning Equipment and Supplies |
| Watch & Clock Repairs | Water - Bottled |
| Water Supply | Water Transportation of Freight |
| Water Transportation of Passengers | Water Transportation Services |
| Water, Sewer, Pipeline, and Communications and Power Line Construction | Waterproofing |
| Wedding Supplies & Services | Welders |
| Welding Repair | Welding Supplies |
| Wholesale | Wholesale Distributer |
| Wholesalers | Wigs & Hair Pieces |
| Window Treatments - Draperies & Curtains | Windows |
| Wine | Wines, Brandy, and Brandy Spirits |
| Wire Springs | Women's Accessory and Specialty Stores |
| Women's Clothing | Women's Clothing Stores |
| Women's Footwear, Except Athletic | Women's, Children's, and Infants' Clothing and Accessories |
| Women's, Misses', and Juniors' Blouses and Shirts | Women's, Misses', and Juniors' Outerwear |
| Wood Containers | Wood Household Furniture, Except Upholstered |
| Wood Kitchen Cabinets | Wood Office Furniture |
| Wood Pallets and Skids | Wood Products |
| Woodwork | Woodworking Machinery |
| Wrecking and Demolition Work | Yoga |
| Youth Organizations & Centres |
