 Academic Education | Accountants |
| Accounting, Auditing, and Bookkeeping Services | Adhesives & Sealants |
| Adjustment and Collection Services | Administration |
| Administration of Educational Programs | Administration of General Economic Programs |
| Adoption Agencies | Adult Entertainment |
| Advertising | Advertising Agencies |
| Advertising Agencies & Consultants | Aerospace |
| Aerospace Industries | Agricultural Engineers |
| Agriculture | Agriculture & Food |
| Agriculture - Forestry & Mining | Air & Water Balancing |
| Air Conditioning & Heating | Air Conditioning Contractors & Systems |
| Air Courier Services | Air Transportation, Scheduled |
| Aircraft Parts and Auxiliary Equipment | Aircrafts |
| Airlines | Airports |
| Airports, Flying Fields, and Airport Terminal Services | Aluminum Foundries |
| Aluminum Rolling and Drawing | Ambulance Services |
| Amusement and Recreation Services | Amusement Parks |
| Analytical instruments | Animal Shelters |
| Animal Specialty Services, Except Veterinary | Apartments |
| Apparel and Accessories | Appliances - Household - Service & Repair |
| Appliances - Major | Appliances - Small |
| Arboreta and Botanical or Zoological Gardens | Archery |
| Architects | Architectural and Ornamental Metal Work |
| Architectural Services | Arrangement of Passenger Transportation |
| Arrangement of Transportation of Freight and Cargo | Arts & Crafts Shops |
| Arts Organizations & Information | Asbestos Abatement |
| Asian Markets | Associations |
| Astrology & Numerology | Athletic Clubs & Organizations |
| Athletic Wear | Audio & Visual |
| Auto and Home Supply Stores | Auto Antiques & Classics |
| Auto Body Work | Auto Dealers - New Cars |
| Auto Dealers - Used Cars | Auto Glass |
| Auto Machine Shop | Auto Parts & Supplies |
| Auto Parts - Used & Rebuilt | Auto Racing & Race Tracks |
| Auto Radio & Stereo Systems | Auto Repair & Service |
| Auto Security | Auto Transmissions |
| Auto Transport | Automobile Auctions |
| Automobile Parking | Automobile Wrecking |
| Automobiles and Other Motor Vehicles | Automotive |
| Automotive Dealers | Automotive Exhaust System Repair Shops |
| Automotive Glass Replacement Shops | Automotive Repair Shops |
| Automotive Services | Automotive Services, Except Repair and Carwashes |
| Automotive Transmission Repair Shops | Aviation Consultants |
| Baby Accessories | Bagel Shops |
| Bakers & Bakeries | Balloons & Novelties |
| Bands, Orchestras, Actors, and Other Entertainers and Entertainment Groups | Banks |
| Barbecue Restaurants | Barber Shops |
| Barbers | Bars & Clubs |
| Baseball Clubs & Parks | Bathroom Planning & Remodeling |
| Beauty Salons | Beauty Shops |
| Bed & Bath | Bed & Breakfast Accommodations & Inns |
| Beer | Beverages |
| Bicycle Dealers | Bicycle Equipment & Supplies |
| Bicycle Rentals | Bicycle Repair |
| Bicycles - Tours & Renting | Billiards & Pool |
| Biological Products, Except Diagnostic Substances | Blood Banks & Centers |
| 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 | Boxing Clubs & Instruction |
| Brake Service | Brassieres, Girdles, and Allied Garments |
| Bread and Other Bakery Products, Except Cookies and Crackers | Breakfast Restaurants |
| Brewers | Brick, Stone, and Related Construction Materials |
| Bridal Shops | Broadwoven Fabric Mills, Wool (Including Dyeing and Finishing) |
| Brokers | Brooms and Brushes |
| Building Cleaning and Maintenance Services | Building Contractors |
| Building Materials | Building Materials & Supplies |
| Burglar Alarm Systems & Equipment | Bus Lines |
| Buses | Buses - Charter & Rental |
| Business & Trade Organizations | Business & Vocational Schools |
| Business Associations | Business Brokers |
| Business Consultants | Business Consulting Services |
| Business Services | Cabinet Making |
| 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 Washing & Polishing |
| Carbon and graphite products | Career Counseling |
| Carpenters | Carpentry Work |
| Carpet & Rug Cleaners | Carpet & Rugs |
| Carpet and Upholstery Cleaning | Carwashes |
| Catalog and Mail-order Houses | Cellular |
| Cement | Cemetary |
| Central reserve depository | Chamber of Commerce |
| Check Cashing Services | Cheese |
| 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 | Chocolate and Cocoa Products |
| Church Supplies | Churches |
| Churches & Religious Organizations | Cigar & Cigarette |
| Cigarette & Tobacco Dealers | Cigars |
| Civic, Social, and Fraternal Associations | Cleaners |
| Cleaning - Household | Climbing & Hiking Equipment & Supplies |
| Clinics | Clocks - Dealers & Repair |
| Clothing - Wholesale & Manufacturers | Clothing Accessories |
| Clowns | Clubs |
| Coal and Other Minerals and Ores | Coated and Laminated Paper |
| Cocktail Lounges | Coffee |
| Coffee & Tea | Coffee Shops |
| Coin-Operated Amusement Devices | Coin-Operated Laundries and Drycleaning |
| Collection Agencies | Colleges, Universities, and Professional Schools |
| Combination Utilities | 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 |
| 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 Networking | Computer Renting & Leasing |
| Computer Services | Computer Software & Development |
| Computer Software & Services | Computer System Designers |
| Computer Technician | Computer Training |
| Concrete | Concrete Contractors |
| Concrete Work | Condominiums |
| Confectionery | Construction |
| Construction Machinery & Equipment | Construction Materials |
| Consulates & Foreign Offices | Consulting Engineers |
| Contact Lenses | Contractors - Equipment & Supplies |
| Convenience Stores | Convention & Meeting Facilities & Services |
| Conveyors and Conveying Equipment | Cookies and Crackers |
| Copper Foundries | Copying & Duplicating Services |
| Copying Machines & Supplies | Correctional institutions |
| Corrugated and Solid Fiber Boxes | Cosmetics & Perfumes |
| Counselling | Courier & Delivery Service |
| Court Reporting | Craft Supplies |
| Credit Cards & Other Credit Plans | Credit Counselling |
| Credit Reporting Agencies | Credit Unions |
| Cremation | Crop Planting, Cultivating, and Protecting |
| Crowns and closures | Cut Stone and Stone Products |
| Cutlery | Cutting Tools- Accessories- & Measuring Devices |
| Dairy Farms | Dairy Products |
| Dairy Products Stores | Dance Studios, Schools, and Halls |
| Data Processing Services | Deep Sea Domestic Transportation of Freight |
| Delicatessens | Dental Clinics |
| Dental Equipment and Supplies | Department Stores |
| Desktop Publishing | Diaper Services |
| Die-Cut Paper and Paperboard and Cardboard | Dimension Stone |
| Direct Mail | Direct Selling Establishments |
| Directory & Guide Advertising | Disability Services & Organizations |
| 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 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 |
| Electric Equipment & Supplies | Electric Housewares and Fans |
| Electric Lamp Bulbs and Tubes | Electrical Apparatus and Equipment Wiring Supplies, and Construction Materials |
| Electrical Appliances, Television and Radio Sets | Electrical Equipment |
| Electrical Services | Electrical Work |
| Electronic Computers | Electronic Equipment & Supplies |
| Electronic Parts and Equipment | Electronic Services |
| Elementary & Middle Schools | Elementary and Secondary Schools |
| Elevator Repair | Elevators |
| Embassies | Employment Agencies |
| Employment Contractors & Temporary Help | Energy |
| Energy Conservation Engineers | Engineering Services |
| Engineers | Entertainers |
| Entertainment Bureaus | Envelopes |
| Environmental & Ecological Conservation | Environmental & Ecological Products & Services |
| Environmental Services | Equipment Rental and Leasing |
| Escort Services | Estate Planning - Administration |
| Event Planners & Managers | Excavation Contractors |
| Excavation Work | Executive Search Consultants |
| Exercise & Physical Fitness | Exercise Equipment |
| Exporters | Fabricated Metal Products |
| Fabricated Pipe and Pipe Fittings | Fabricated Plate Work (Boiler Shops) |
| Fabricated Rubber Products | Fabricated Structural Metal |
| Fabricated Textile Products | Fabrics |
| Fairs & Festivals | Family Clothing Stores |
| Farm and Garden Machinery and Equipment | Farm Machinery and Equipment |
| Farm Product Warehousing and Storage | Farm Services |
| Farm Supplies | Fast Food |
| Fasteners, Buttons, Needles, and Pins | Fax Machines & Service |
| financial institutions | Financial Planning Consultants |
| Financial Services | Financing |
| Fingerprinting | Finishers of Textiles |
| Fire & Safety | Fire Alarm Systems & Equipment |
| Fire Protection | Fireplaces |
| Fish and Seafoods | Fisheries |
| Fishing Areas | Fishing Guides- Charters- & Parties |
| Fishing Tackle Dealers | Flat Glass |
| Flea Markets | Floor Covering Stores |
| Floor Installation | Floor Laying and Other Floor Work |
| Florists | Flour and Other Grain Mill Products |
| Flowers | Fluid Power Cylinders and Actuators |
| Food Brokers | Food Delivery |
| Food Preparations | Food Processors & Manufacturers |
| Food Products | Food Products Machinery |
| Football Clubs & Instruction | Footwear |
| Foreign trade and international banks | Forestry and Mining |
| Forestry Consulting & Contracting | Fraternal Organizations |
| Freight Forwarding | Freight Transportation |
| Fresh Fruits and Vegetables | Frozen Food |
| 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 Manufacturers | Furniture Renting & Leasing |
| Furniture Stores | Furniture Upholstery |
| 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 | Geological Engineers |
| Geriatric Care | Gift Baskets |
| Gift, Novelty, and Souvenir Shops | Gifts |
| Giftwares - Wholesale | Girls', Children's, and Infants' Outerwear |
| Glass and Glazing Work | Glass Manufacturers |
| Golf Equipment & Supplies | Golf Practice Ranges |
| Gourmet Shops | Government |
| Grain and Field Beans | Grain Elevators |
| Graphic Design | Gray and Ductile Iron Foundries |
| Greenhouses | 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 Dimension and Flooring Mills |
| Hardwood Flooring | Hats & Caps |
| Hats, Caps, and Millinery | Health & Diet Foods |
| Health and Allied Services | Health Care |
| Health Foods | Health Services |
| Hearing Aids | Heating & Refrigeration |
| Heating Equipment | Heavy Construction |
| Heavy Construction Equipment Rental and Leasing | Help Supply Services |
| Herbs & Spices | Highway and Street Construction, Except Elevated Highways |
| Historical Places | Hobbies & Models |
| Hobby, Toy, and Game Shops | Hockey Clubs & Instruction |
| Home furnishings | Home Health Care Services |
| Home Health Services | Horse & Carriage Rides & Rentals |
| Horse Dealers- Boarding- & Rental | Horse Equipment- Supplies- Service- & Training |
| Hosiery | Hospital Supplies |
| Hospitals | Hot Air Balloons |
| Hot Tubs & Spas | Hotels and Motels |
| Household Appliance Stores | Household Audio and Video Equipment |
| Household Items | Housewares |
| Human Factors Engineers | Human Relations Counselors |
| Ice Cream & Frozen Dessert Shops | Ice Cream & Frozen Desserts |
| 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 Supplies | Industrial Trucks, Tractors, Trailers, and Stackers |
| Industrial Valves | Industrial- Technical- & Trade Schools |
| Information Retrieval Services | Inorganic pigments |
| Inspection & Coating | Installation or Erection of Building Equipment |
| Insulation Materials | Insurance |
| Insurance - Agents & Brokers | Insurance - Consultants & Advisors |
| Insurance - Life | Insurance - Medical |
| Insurance Agents, Brokers, and Service | Intercity and Rural Bus Transportation |
| Interior Decorators | International affairs |
| Internet & Online Services | Internet Advertising |
| Internet Marketing Services | Investigators |
| Investment Advice | Investment Advisory Service |
| Investment Securities | Investors |
| Invitations & Announcements | Irish Restaurants |
| Iron | Italian Restaurants |
| Janitorial Services | Japanese Restaurants |
| Jewellers | Jewellery Repair |
| Jewelry | Jewelry Stores |
| Jewelry, Watches, Precious Stones, and Precious Metals | Job Training Services |
| Juices | Junior Colleges & Technical Institutes |
| Kennels & Pet Boarding | Knit Outerwear Mills |
| Knitting Mills | Labor Unions and Similar Labor organizations |
| Laboratories - Medical | Laboratories - Research & Development |
| 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 - Employment & Labor Law |
| Lawyers - Patent - Trademark & Copyright | Lead Pencils, Crayons, and Artists' Materials |
| Leather and Sheep-Lined Clothing | Leather Goods |
| Leather Tanning and Finishing | Legal Counsel & Services |
| Legal Services | Legislative Bodies |
| Libraries | Linen Supply |
| Liquefied Petroleum Gas (Bottled Gas) Dealers | Liquor Stores |
| Livestock | Local and Suburban Transit |
| Local Passenger Transportation | Local Trucking With Storage |
| Local Trucking Without Storage | Logging |
| Lubricants | Luggage |
| Luggage and Leather Goods Stores | Lumber and Other Building Materials Dealers |
| Lumber, Plywood, Millwork, and Wood Panels | Macaroni, Spaghetti, Vermicelli, and Noodles |
| Machine Shops | Machine Tools, Metal Cutting Types |
| Magazine Publishers | Magicians |
| Mail Order & Catalog Shopping | Mailing & Shipping Services |
| Malt Beverages | Management Consulting Services |
| Management Services | Manicures & Pedicures |
| Manufacturing | Manufacturing Industries |
| Marinas | Marine Cargo Handling |
| Marine Equipment & Supplies | Market Research & Analysis |
| Marketing Consultants | Marking Devices |
| Marriage & Family Counselors | Martial Arts |
| Masonry Contractors | Masonry, Stone Setting, and Other Stone Work |
| Massage Therapists | Maternity Apparel |
| Mattresses | Mattresses, Foundations, and Convertible Beds |
| 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 Equipment & Supplies |
| Medical Laboratories | Medical, Dental, and Hospital Equipment and Supplies |
| Membership organizations | Membership Sports and Recreation Clubs |
| Men's and Boy's Clothing and Furnishings | Men's and Boys' Clothing |
| Men's Clothing | Mental Health |
| 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 | Mexican Restaurants |
| Midwives | 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 |
| Mixed, Manufactured, or Liquefied Petroleum Gas Production | Modelling Agencies |
| Money Orders | Monuments & Markers |
| Mortgage Brokers | Mortgages |
| Mosques | Motion Picture and Video Tape Distribution |
| Motion Pictures | Motor Vehicle Dealers (New and Used) |
| 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 | Motorcycles, Bicycles, and Parts |
| Motors and Generators | Movers |
| Moving Supplies & Equipment - Renting | Mufflers & Exhaust Systems |
| Museums | Museums and Art Galleries |
| Musical Instrument Stores | Musical Instruments |
| Mutual Funds | Nail Salons |
| Nailed and Lock Corner Wood Boxes and Shook | Narrow Fabric and Other Smallware Mills Cotton, Wool, Silk, and Manmade Fiber |
| National Commercial Banks | Natural Gas |
| Natural Gas Distribution | News Dealers and Newsstands |
| News Syndicates | Newspaper Advertising |
| 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 |
| Nonferrous Foundries, Except Aluminum and Copper | Notaries |
| Nurses | Nursing & Life Care Homes |
| Nursing and Personal Care Facilities | Nutritionists |
| 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 | Oil & Gas Exploration |
| Oil & Lubrication | Oils & Fuels |
| Opera Companies | Operative Builders |
| Operators of Nonresidential Buildings | Operators or Apartment Buildings |
| Ophthalmic Goods | Ophthalmologists |
| Optical Goods | Optical Goods Stores |
| Optometrists | Ornamental Floriculture and Nursery Products |
| ornamental Shrub and Tree Services | Orthopedic Shoes & Appliances |
| Orthopedic, Prosthetic, and Surgical Appliances and Supplies | 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 | Painting Contractors |
| Paints, Varnishes, and Supplies | Paper Mills |
| Party Planning Services | Party Supplies |
| Passenger Car Rental | Patent Owners and Lessors |
| Patio Builders | Paving Contractors |
| Pawn Brokers | Pension & Benefits |
| Perfumes, Cosmetics, and Other Toilet Preparations | Periodicals Publishers |
| Periodicals Publishing | Personal Financial Advisors |
| Personal Leather Goods, Except Women's Handbags and Purses | Pest Control |
| Pet Services & Supplies | Pet Shops |
| Pet Sitting Services | Pet Washing & Grooming |
| Petroleum and Petroleum Products Wholesalers, Except Bulk Stations and Terminals | Petroleum Bulk stations and Terminals |
| Petroleum Refining | Pharmaceutical Manufacturers |
| Pharmaceuticals | Pharmacies |
| Philanthropy | Phonograph Records and Prerecorded Audio Tapes and Disks |
| Photo Labs | Photocopying |
| Photofinishing Laboratories | Photographers |
| Photographic Equipment & Sales | Photographic Equipment - Repairing |
| 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 Products |
| Platemaking and Related Services | Pleating, Decorative and Novelty Stitching, and Tucking for the Trade |
| Plumbers | Plumbing and Heating Equipment and Supplies (Hydronics) |
| Plumbing Contractors | Podiatrists |
| Police Departments | Police Protection |
| Political Organizations | Pollution Assessment & Remediation |
| Post Offices | Pottery Products |
| Poultry | Poultry and Poultry Products |
| Poultry Slaughtering and Processing | Power Laundries, Family and Commercial |
| 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 | Prepared Fresh or Frozen Fish and Seafoods |
| Pressed and Blown Glass and Glassware | Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum |
| Printing | Printing & Copy Service |
| Printing and Writing Paper | Printing Supplies |
| Private Schools | Process Services |
| Production | Production & Specialties Advertising |
| Professional Equipment and Supplies | Professional Services |
| Professional Sports Clubs and Promoters | Psychiatrists |
| Psychologists | Public Golf Courses |
| Public Relations Counselors | Publishers |
| Publishers - Books | Pubs |
| Pulp Mills | Pumps and Pumping Equipment |
| Race Tracks | Racing, Including Track Operation |
| Radio and Television Broadcasting and Communications Equipment | Radio and Television Repair Shops |
| Radio Communication Equipment & Systems | 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 - Commercial & Investment | Real Estate Agents and Managers |
| Real Estate Appraisers | Real Estate Consultants |
| Real Estate Loans | Record and Prerecorded Tape Stores |
| Recording Services - Sound & Video | Recording Studios |
| 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 | Regulation and Administration of Transportation Programs |
| Rehabilitation Services | Religious Organizations |
| Relocation Service | 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 |
| Retirement Planning Consultants & Services | Reupholstery and Furniture Repair |
| Roasted Coffee | Rolling, Drawing, and Extruding of Nonferrous Metals |
| Roofing Equipment & Supplies | Roofing, Siding, and Insulation Materials |
| Roofing, Siding, and Sheet Metal Work | Rooming and Boarding Houses |
| Salted and Roasted Nuts and Seeds | Sanitary Services |
| Satellite Equipment | Saw blades and handsaws |
| Sawmills and Planing Mills, General | Scales and Balances, Except Laboratory |
| Schools | Schools and Educational Services |
| Scrap and Waste Materials | Screen Printing |
| 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 Machine Service | Sewing, Needlework, and Piece Goods Stores |
| Sex Therapists | Sheet Metal Work |
| Sheet Metal Work Contractors | Sheet Music |
| Ship Building and Repairing | Shoe Repair |
| Shoe Repair Shops and Shoeshine Parlors | Shoe Stores |
| Shopping Centres & Malls | Siding Contractors |
| Sightseeing Tours | Signs |
| Signs and Advertising Specialties | Silverware, Plated Ware, and Stainless Steel Ware |
| Skateboarding & Rollerblading | Ski & Snowboard Dealers |
| Skin Care | Snowmobiles |
| Soap and Other Detergents, Except Specialty Cleaners | Soccer |
| 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 Medicine | Sprinklers |
| Stables | Stadiums- Arenas- & Athletic Fields |
| Stationers | Stationery, Tablets, and Related Products |
| Steam, Gas, and Hydraulic Turbines, and Turbine Generator Set Units | Steel |
| Steel - Distributors & Warehouses | Steel Manufacturing |
| Steel Wiredrawing and Steel Nails and Spikes | Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills |
| Stereos | Stock & Bond Brokers |
| Storage - Household & Commercial | Storage - Self Service |
| Storage Batteries | Stress Management |
| Surgical and Medical Instruments and Apparatus | Surveying Services |
| Surveyors | Swimming Pool Equipment & Supplies |
| Swimwear | Synagogues |
| Synthetic Rubber (Vulcanizable Elastomers) | T-Shirts |
| Talent Agencies | Tanning Salons |
| Tattooing & Body Piercing | Tax Return Preparation Services |
| Tax Returns | Taxicabs |
| Telecommunications | Telecommunications Services |
| Telephone Communications Services | Telephone Equipment & Systems Dealers |
| Telephone Equipment - Service & Repair | Telephone Service |
| Telephone Service & Equipment | Television & Radio - Service & Repair |
| Television Advertising | Television Dealers |
| Television Stations & Broadcasting Cooperatives | Tennis Equipment |
| Tennis Instruction | Terrazzo, Tile, Marble, and Mosaic Work |
| Testing Apparatus | Textile Bags |
| Textile goods | Textile Machinery |
| Theatres - Live | Theatres - Movie |
| Theatrical Producers (Except Motion Picture) and Miscellaneous Theatrical Services | Ticket Sales |
| Tile & Ceramic Contractors | Tile & Ceramic Dealers |
| Tires and Tubes | Title Abstract Offices |
| Tobacco and Tobacco Products | Tobacco Stores and Stands |
| Top, Body, and Upholstery Repair Shops and Paint Shops | Tour Operators |
| Towing and Tugboat Services | Toys |
| Toys and Hobby Goods and Supplies | Transportation Equipment |
| Transportation Services | Travel & Tourism |
| Travel Agencies | Travel Trailers and Campers |
| Tree Removal | Tree Services |
| Truck Rental & Leasing | Truck Rental and Leasing, Without Drivers |
| Truck Repair & Service | Trucking - Hauling |
| Trucking, Except Local | Trusts, Except Educational, Religious, and Charitable |
| Tutoring | Uncoated Paper and Multiwall Bags |
| Uniforms | United States Postal Service |
| Unsupported Plastics Film and Sheet | Upholstery |
| Used Cars | Used Merchandise Stores |
| Utility Trailer and Recreational Vehicle Rental | Valves |
| Variety Stores | Vegetarian Restaurants |
| Vending Machines | Veterinarians |
| Veterinary | Video Games |
| Video Productions | Video Tape Rental |
| Video Tapes & Discs | Vitreous China Plumbing Fixtures and China and Earthenware Fittings and Bathroom Accessories |
| Wallpaper | Warehousing |
| Warm Air Heating and Air-Conditioning Equipment and Supplies | Watch & Clock Repairs |
| Water Skiing | Water Supply |
| Water Transportation of Freight | Water Transportation of Passengers |
| Water Transportation Services | Water Well Drilling |
| Water, Sewer, Pipeline, and Communications and Power Line Construction | Waterproofing |
| Wedding Supplies & Services | Weight Control |
| Welders | Welding Repair |
| Welding Supplies | Well Drilling |
| Western Apparel | Wholesale Distributer |
| Wigs & Hair Pieces | Window Treatments - Draperies & Curtains |
| Wine | Wines, Brandy, and Brandy Spirits |
| Wire Springs | Wireless Communications |
| 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 | Women's, Misses', and Juniors' Suits, Skirts, and Coats |
| Wood Household Furniture, Except Upholstered | Wood Kitchen Cabinets |
| Wood Office Furniture | Wood Products |
| Woodworking Machinery | Wrecking and Demolition Work |
| Yoga | Yogurt Shops |
| Youth Organizations & Centres |
