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LIST OF REGULATED STANDARD INDUSTRIAL CLASSIFICATION CODES (SIC)

Go to the Occupational Safety & Health Administration (OHSA) Website to search for a full description of your SIC code.

 SIC       SIC Code Descriptions
0211      Beef Cattle Feedlots1
0213      Hogs2
0214      Sheep3
0241      Dairy Farms1
0251      Broiler, Fryer, and Roaster Chickens2
0252      Chicken Eggs2
0253      Turkeys & Eggs2
0254      Poultry Hatcheries2
0259      Poultry and Eggs, not elsewhere classified2
0272      Horses and Other Equines3
1011      Iron Ores
1021      Copper Ores
1031      Lead and Zinc Ores
1041      Gold Ores
1044      Silver ores
1061      Ferroalloy Ores, except Vanadium
1081      Metal Mining Services
1094      Uranium - Radium - Vanadium Ores
1099      Miscellaneous Metal Ores, not elsewhere classified
1221      Bituminous Coal and Lignite - Surface Mining
1222      Bituminous Coal Underground Mining
1231      Anthracite Mining
1241      Coal Mining Services
1311      Crude Petroleum and Natural Gas
1321      Natural Gas Liquids
1381      Drilling Oil and Gas Wells
1382      Oil and Gas Field Exploration Services
1389      Oil and Gas Field Services, not elsewhere classified
1411      Dimension Stone
1422      Crushed and Broken Limestone
1423      Crushed and Broken Granite
1429      Crushed and Broken Stone, not elsewhere classified
1442      Construction Sand and Gravel
1446      Industrial Sand
1455      Kaolin and Ball Clay
1459      Clay, Ceramic, and Related Minerals, not elsewhere classified
1474      Potash, Soda, and Borate Minerals
1475      Phosphate Rock
1479      Chemical and Fertilizer Mineral Mining, not elsewhere classified
1481      Non Metallic Minerals Services, except fuels
1499      Miscellaneous Non Metallic Minerals, except fuels
2011      Meat Packing Plants
2013      Sausages and Other Prepared Meats
2015      Poultry Slaughtering and Processing
2021      Creamery Butter
2022      Natural, Processed, and Imitation Cheese
2023      Dry, Condensed, Evaporated Dairy Products
2024      Ice Cream and Frozen Desserts
2026      Fluid Milk
2032      Canned Specialties
2033      Canned Fruits, Vegetables, Preserves, Jams, and Jellies
2034      Dried and Dehydrated Fruits, Vegetables, and Soup Mixes
2035      Pickled Fruits and Vegetables, Vegetable Sauces and Seasonings, and Salad Dressings
2037      Frozen Fruits, Fruit Juices, and Vegetables
2038      Frozen Specialties, not elsewhere classified
2041      Flour and Other Grain Mill Products
2043      Cereal Breakfast Foods
2044      Rice Milling
2045      Prepared Flour Mixes and Doughs
2046      Wet Corn Milling
2047      Dog and Cat Food
2048      Prepared Feeds and Feed Ingredients for Animals and Fowls, except dogs and cats
2051      Bread and Other Bakery Products, except Cookies and Crackers
2052      Cookies and Crackers
2053      Frozen bakery products, except bread
2061      Cane Sugar, except refining
2062      Cane Sugar Refining
2063      Beet Sugar
2064      Candy and other Confectionery Products
2066      Chocolate and Cocoa Products
2067      Chewing Gum
2068      Salted and Roasted Nuts and Seeds
2074      Cottonseed Oil Mills
2075      Soybean Oil Mills
2076      Vegetable Oil Mills, not elsewhere classified
2077      Animal and Marine Fats and Oils
2079      Shortening, Table Oils, Margarine, and Other Edible Fats and Oils, not elsewhere classified
2082      Malt Beverages
2083      Malt
2084      Wines, Brandy, and Brandy Spirits
2085      Distilled and Blended Liquors
2086      Bottled and Canned Soft Drinks and Carbonated Waters
2087      Flavoring Extracts and Flavoring Syrups, not elsewhere classified
2091      Canned and Cured Fish and Seafoods
2092      Prepared Fresh or Frozen Fish and Seafoods
2095      Roasted Coffee
2096      Potato Chips and Similar Snacks
2097      Manufactured Ice
2098      Macaroni, Spaghetti, Vermicelli, and Noodles
2099      Food Preparations, not elsewhere classified
2111      Cigarettes
2121      Cigars
2131      Chewing and Smoking Tobacco and Snuff
2141      Tobacco Stemming and Redrying
2211      Broadwoven Fabric Mills, Cotton
2221      Broad Woven Fabric Mills, Manmade
2231      Broadwoven Fabric Mills, Wool (including dyeing and finishing)
2241      Narrow Fabric and other Smallwares Mills: Cotton, Wool, Silk, and Manmade Fiber
2251      Women's Full-Length and Knee-Length Hosiery, except socks
2252      Hosiery, not elsewhere classified
2253      Knit Outerwear Mills
2254      Knit Underwear and Nightwear Mills
2257      Weft Knit and Fabric Mills
2258      Lace and Warp Knit Fabric Mills
2259      Knitting Mills, not elsewhere classified
2261      Finishers of Broadwoven Fabrics of Cotton
2262      Finishers of Broadwoven Fabrics of Manmade Fiber and Silk
2269      Finishers of Textiles, not elsewhere classified
2273      Carpets and Rugs
2281      Yarn Spinning Mills
2282      Yarn Texturizing, Throwing, Twisting, and Winding Mills
2284      Thread Mills
2295      Coated Fabrics, not rubberized
2296      Tire Cord and Fabrics
2297      Non-woven Fabrics
2298      Cordage and Twine
2299      Textile Goods, not elsewhere classified
2311      Men's and Boys' Suits, Coats, and Overcoats
2321      Men's and Boys' Shirts, except Work Shirts
2322      Men's and Boys' Underwear and Nightwear
2323      Men's and Boys' Neckwear
2325      Men's and Boys' Separate Trousers and Slacks
2326      Men's and Boys' Work Clothing
2329      Men's and Boys' Clothing, not elsewhere classified
2331      Women's, Misses', and Juniors' Blouses and Shirts
2335      Women's, Misses', and Juniors' Dresses
2337      Women's, Misses', and Juniors' Suits, Skirts, Coats
2339      Women's, Misses', and Juniors' Outerwear, not elsewhere classified
2341      Women's, Misses', Children's, and Infants' Underwear and Nightwear
2342      Braziers, Girdles, and Allied Garments
2353      Hats, Caps, and millinery
2361      Girls', Children's, and Infants' Dresses, Blouses, and Shirts
2369      Girls', Children's, and Infants' Outerwear, not elsewhere classified
2371      Fur Goods
2381      Dress, and Work Gloves, except knit and all leather
2384      Robes and Dressing Gowns
2385      Waterproof Outerwear
2386      Leather and Sheep-Lined Clothing
2387      Apparel Belts
2389      Apparel and Accessories, not elsewhere classified
2391      Curtains and Draperies
2392      House Furnishings, except curtains and draperies
2393      Textile Bags
2394      Canvas and Related Products
2395      Pleading, Decorative and Novelty stitching, and Tucking for the Trade
2396      Automotive Trimmings, Apparel Findings, and Related Products
2397      Schiffli Machining Embroideries
2399      Fabricated Textile Products, not elsewhere classified
2411      Logging
2421      Sawmills and Planing Mills, General
2426      Hardwood Dimension and Flooring Mills
2429      Special Product Sawmills, not elsewhere classified
2431      Millwork
2434      Wood Kitchen Cabinets
2435      Hardwood Veneer and Plywood
2436      Softwood Veneer and Plywood
2439      Structural Wood Members, not elsewhere classified
2441      Nailed and Lock Corner Wood Boxes and Shook
2448      Wood Pallets and Skids
2449      Wood Containers, not elsewhere classified
2451      Mobile Homes
2452      Prefabricated Wood Buildings and Components
2491      Wood Preserving
2493      Reconstituted Wood Products
2499      Wood Products, not elsewhere classified
2511      Wood Household Furniture, except un-upholstered
2512      Wood Household Furniture, Upholstered
2514      Metal Household Furniture
2515      Mattresses, Foundations and Convertible Beds
2517      Wood Television, Radio, Phonograph, and Sewing Machine Cabinets
2519      Household Furniture, not elsewhere classified
2521      Wood Office Furniture
2522      Office Furniture, except wood
2531      Public Building and Related Furniture
2541      Wood Office and Store Fixtures, Partitions, Shelving, and Lockers
2542      Office and Store Fixtures, Partitions, Shelving, and Lockers, except wood
2591      Drapery Hardware and Blinds and Shades
2599      Furniture and Fixtures, not elsewhere classified
2611      Pulp Mills
2621      Paper Mills
2631      Paperboard Mills
2652      Setup Paperboard Boxes
2653      Corrugated and Solid Fiber Boxes
2655      Fiber Cans, Tubes, Drums and Similar Products
2656      Sanitary Food Containers, except Folding
2657      Folding Paperboard Boxes, including Sanitary
2671      Packaging Paper and Plastics Film, Coated and Laminated
2672      Coated and Laminated Paper, not elsewhere classified
2673      Plastics, Foil, and Coated Paper Bags
2674      Uncoated Paper and Multi-wall Bags
2675      Die-cut paper and board
2676      Sanitary Paper Products
2677      Envelopes
2678      Stationary, Tablets, and Related Products
2679      Converted Paper and Paperboard Products not elsewhere classified
2711      Newspapers: Publishing, or Publishing and Printing
2721      Periodicals: Publishing, or Publishing and Printing
2731      Books: Publishing, or Publishing and Printing
2732      Book Printing
2741      Miscellaneous Publishing
2752      Commercial Printing, Lithographic
2754      Commercial Printing, Gravure
2759      Commercial Printing, not elsewhere classified
2761      Manifold Business Forms
2771      Greeting Cards
2782      Blankbooks, Looseleaf Binders and Devices
2789      Bookbinding and Related Work
2791      Typesetting
2796      Platemaking and Related Services
2812      Alkalis and Chlorine
2813      Industrial Gases
2816      Inorganic Pigments
2819      Industrial Inorganic Chemicals, not elsewhere classified
2821      Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
2822      Synthetic Rubber
2823      Cellulosic manmade fibers
2824      Manmade Organic Fibers, except Cellulosic
2833      Medicinal Chemicals and Botanical Products
2834      Pharmaceutical Preparations
2835      In Vitro and In Vitro Diagnostic Substances
2836      Biological Products, except diagnostic substances
2841      Soap and Other Detergents, except specialty cleaners
2842      Specialty Cleaning, Polishing, and Sanitation Preparations
2843      Surface Active and Finishing Agents, Sulfonated Oils, and Assistance
2844      Perfumes, Cosmetics, and other Toilet Preparations
2851      Paints, Varnishes, Lacquers, Enamels, and Allied Products
2861      Gum and Wood Chemicals
2865      Cyclic Organic Crudes and Intermediates and Organic Dyes and Pigments
2869      Industrial Organic Chemicals, not elsewhere classified
2873      Nitrogenous Fertilizers
2874      Phosphatic Fertilizers
2875      Fertilizers, Mixing Only
2879      Pesticides and Agricultural Chemicals, not elsewhere classified
2891      Adhesives and Sealants
2892      Explosives
2893      Printing Ink
2895      Carbon Black
2899      Chemicals and Chemical Preparations, not elsewhere classified
2911      Petroleum Refining
2951      Asphalt Paving Mixtures and Blocks
2952      Asphalt Felts and Coatings
2992      Lubricating Oils and Greases
2999      Products of Petroleum and Coal, not elsewhere classified
3011      Tires and Inner Tubes
3021      Rubber and Plastics Footwear
3052      Rubber and Plastics Hose and Belting
3053      Gaskets, Packing and Sealing Devices
3061      Molded, Extruded, and Lathe-Cut Mechanical Rubber Goods
3069      Fabricated Rubber Products, not elsewhere classified
3081      Unsupported Plastics Film and Sheet
3082      Unsupported Plastics Profile Shapes
3083      Laminated Plastics Plate, Sheet, and Profile Shapes
3084      Plastics Pipe
3085      Plastics Bottles
3086      Plastics Foam Products
3087      Custom Compounding of  Purchased Plastics Resins
3088      Plastics Plumbing Fixtures
3089      Plastics Products, not elsewhere classified
3111      Leather Tanning and Finishing
3131      Boot and Shoe Cut Stock and Findings
3142      House Slippers
3143      Men's Footwear, except athletic
3144      Women's Footwear, except athletic
3149      Footwear, except Rubber, not elsewhere classified
3151      Leather Gloves and Mittens
3161      Luggage
3171      Women's Handbags and Purses
3172      Personal Leather Goods, except women's handbags and purses
3199      Leather Goods, not elsewhere classified
3211      Flat Glass
3221      Glass Containers
3229      Pressed and Blown Glass and Glassware, not elsewhere classified
3231      Glass Products, Made of Purchased Glass
3241      Cement, Hydraulic
3251      Brick and Structural Clay Tile
3253      Ceramic Wall and Floor Tile
3255      Clay Refractories
3259      Structural Clay Products, not elsewhere classified
3261      Vitreous China Plumbing Fixtures and China and Earthenware Fittings and Bathroom Accessories
3262      Vitreous China Table and Kitchen Articles
3263      Fine Earthenware Table and Kitchen Articles
3264      Porcelain Electrical Supplies
3269      Pottery Products, not elsewhere classified
3271      Concrete Block and Brick
3272      Concrete Products, except block and brick
3273      Ready-Mixed Concrete
3274      Lime
3275      Gypsum Products
3281      Cut Stone and Stone Products
3291      Abrasive Products
3292      Asbestos Products
3295      Minerals and Earths, Ground, or otherwise Treated
3296      Mineral Wool
3297      Non Clay Refractories
3299      Non Metallic Mineral Products, not elsewhere classified
3312      Steel Works, Blast Furnaces, and Rolling Mills
3313      Electrometallurgical Products, except steel
3315      Steel Wiredrawing and Steel Nails and Spikes
3316      Cold-Rolled Steel Sheet, Strip, and Bars
3317      Steel Pipe and Tubes
3321      Gray and Ductile Iron Foundries
3322      Malleable Iron Foundries
3324      Steel Investment Foundries
3325      Steel Foundries, not elsewhere classified
3331      Gray Ductile Iron Foundries
3334      Primary Production of Aluminum
3339      Primary Smelting and Refining of Non Ferrous Metals, except copper and aluminum
3341      Secondary Smelting and Refining of Non Ferrous Metals
3351      Rolling, Drawing, and Extruding of Copper
3353      Aluminum Sheet, Plate, and Foil
3354      Aluminum Extruded Products
3355      Aluminum Rolling and Drawing, not elsewhere classified
3356      Rolling, Drawing, and Extruding of Nonferrous Metals, except copper and aluminum
3357      Drawing and Insulating of Non Ferrous Wire
3363      Aluminum Die-Castings
3364      Non Ferrous Die-Casting, except aluminum
3365      Aluminum Foundries
3366      Copper Foundries
3369      Non Ferrous Foundries, except aluminum and copper
3398      Metal Heat Treating
3399      Primary Metal Products, not elsewhere classified
3411      Metal Cans
3412      Metal Shipping Barrels, Drums, Kegs and Pails
3421      Cement, Hydraulic
3423      Hand and Edge Tools, except machine tools and handsaws
3425      Saw Blades and Handsaws
3429      Hardware, not elsewhere classified
3431      Enameled Iron and Metal Sanitary Ware
3432      Plumbing Future Fittings and Trim
3433      Heating Equipment, except electric and warm air furnaces
3441      Fabricated Structural Metal
3442      Metal Doors, Sash, Frames, Molding, and Trim
3443      Fabricated Plate Work (boilershops)
3444      Sheet Metal Work
3446      Architectural and Ornamental Metal Work
3448      Prefabricated Metal Buildings and Components
3449      Miscellaneous Structural Metal Work
3451      Screw Machine Products
3452      Bolts, Nuts, Screws, Rivets, and Washers
3462      Iron and Steel Forgings
3463      Non Ferrous Forgings
3465      Automotive Stampings
3466      Crowns and Closures
3469      Metal Stampings, not elsewhere classified
3471      Electroplating, Plating, Polishing, Anodizing and Coloring
3479      Coating, Engraving, and Allied Services, not elsewhere classified
3482      Small Arms Ammunition
3483      Ammunition, except for Small Arms, not elsewhere classified
3484      Small arms
3489      Ordnance and Accessories, not elsewhere classified
3491      Industrial Valves
3492      Fluid Power Valves and Hose Fittings
3493      Steel springs, except wire
3494      Valves and Pipe Fittings, not elsewhere classified
3495      Wire Springs
3496      Miscellaneous Fabricated Wire Products
3497      Metal Foil and Leaf
3498      Fabricated Pipe and Fittings
3499      Fabricated Metal Products, not elsewhere classified
3511      Steam, Gas, and Hydraulic Turbines and Turbine Generator Set Units
3519      Internal Combustion Engines, not elsewhere classified
3523      Farm Machinery and Equipment
3524      Lawn and Garden Tractors and Home Lawn and Garden Equipment
3531      Construction Machinery and Equipment
3532      Mining Machinery and Equipment, except Oil and Gas Field Machinery and Equipment
3533      Oil and Gas Field Machinery and Equipment
3534      Elevators and Moving Stairways
3535      Conveyors and Conveying Equipment
3536      Overhead Traveling Cranes, Hoists and Monorail Systems
3537      Industrial Trucks, Tractors, Trailers, and Stackers
3541      Machine Tools, Metal Cutting Types
3542      Machine Tools, Metal Forming Types
3543      Industrial Patterns
3544      Special Dies and Tools, Dye Sets, Jigs and Fixtures, and Industrial Molds
3545      Cutting Tools, Machine Tool Accessories, and Machinists' Precision Measuring Devices
3546      Power-Driven Handtools
3547      Rolling Mill Machinery and Equipment
3548      Electric and Gas Welding and Soldering Equipment
3549      Metalworking Machinery, not elsewhere classified
3552      Textile Machinery
3553      Woodworking Machinery
3554      Paper Industries Machinery
3555      Printing Trades Machinery and Equipment
3556      Food Products Machinery
3559      Special Industry Machinery, not elsewhere classified
3561      Pumps and Pumping Equipment
3562      Ball and Roller Bearings
3563      Air and Gas Compressors
3564      Industrial and Commercial Fans and Blowers and Air Purification Equipment
3565      Packaging Machinery
3566      Speed Changers, Industrial High-Speed Drives, and Gears
3567      Industrial Process Furnaces and Ovens
3568      Mechanical Power Transmission Equipment, not elsewhere classified
3569      General Industrial Machinery and Equipment, not elsewhere classified
3571      Electronic Computers
3572      Computer Storage Devices
3575      Computer Terminals
3577      Computer Peripheral Equipment, not elsewhere classified
3578      Office Machines, not elsewhere classified
3579      Office Machines, not elsewhere classified
3581      Automatic Vending Machines
3582      Commercial Laundry, Drycleaning, and Pressing Machines
3585      Air Conditioning; Warm Air Heating Equipment; Commercial; Industrial Refrigeration
3586      Measuring and Dispensing Pumps
3589      Service Industry Machinery, not elsewhere classified
3592      Carburetors, Pistons, Piston Rings, and Valves
3593      Fluid Power Cylinders and Actuators
3594      Fluid Power Pumps and Motors
3596      Scales and Balances, except Laboratory
3599      Industrial and Commercial Machinery and Equipment, not elsewhere classified
3612      Power Distribution, and Specialty Transformers
3613      Switchgear and Switchboard Apparatus
3621      Motors and Generators
3624      Carbon and Graphite Products
3625      Relays and Industrial Controls
3629      Electrical Industrial Apparatus, not elsewhere classified
3631      Household Cooking Equipment
3632      Household Refrigerators and Home and Farm Freezers
3633      Household Laundry Equipment
3634      Electric Housewares and Fans
3635      Household Vacuum Cleaners
3639      Household Appliances, not elsewhere classified
3641      Electric Lamp Bulbs and Tubes
3643      Current-Carrying Wiring Devices
3644      Non Current-Carrying Wiring Devices
3645      Residential Electric Lighting Fixtures
3646      Commercial, Industrial, and Institutional Electric Lighting Fixtures
3647      Vehicular Lighting Equipment
3648      Lighting Equipment, not elsewhere classified
3651      Household Audio and Video Equipment
3652      Phonographs Records, and Prerecorded Audio Tapes and Disks
3661      Telephone and Telegraph Apparatus
3663      Radio and Television Broadcasting and Communications Equipment
3669      Communications Equipment, not elsewhere classified
3671      Electron Tubes
3672      Printed Circuit Boards
3674      Semiconductors and Related Devices
3675      Electronic Capacitors
3676      Electronic Resistors
3677      Electric Coils, Transformers, and other Inductors
3678      Electronic Connectors
3679      Electronic Components, not elsewhere classified
3691      Storage Batteries
3692      Primary Batteries, Dry and Wet
3694      Electrical Equipment for Internal Combustion Engines
3695      Magnetic and Optical Recording Media
3699      Electrical Machinery, Equipment, and Supplies, not elsewhere classified
3711      Motor Vehicles and Passenger Car Bodies
3713      Truck and Bus Bodies
3714      Motor Vehicle Parts and Accessories
3715      Truck Trailers
3716      Motor Homes
3721      Aircraft
3724      Aircraft Engines and Engine Parts
3728      Aircraft Parts and Auxiliary Equipment, not elsewhere classified
3731      Ship Building and Repairing
3732      Boat Building and Repairing
3743      Railroad Equipment
3751      Motorcycles, Bicycles, and Parts
3761      Guided Missiles and Space Vehicles
3764      Guided Missile and Space Vehicle Propulsion Units and Propulsion Unit Parts
3769      Guided Missile and Space Vehicle Parts and Auxiliary Equipment, not elsewhere classified
3792      Travel Trailers and Campers
3795      Tanks and Tank Components
3799      Transportation Equipment, not elsewhere classified
3812      Search, Detection, Navigation, Guidance, Aeronautical, and Nautical
3821      Laboratory Apparatus and Furniture
3822      Automatic Controls for Regulating Residential and Commercial
3823      Industrial Instruments for Measurement, Display and Control of Process Variables
3824      Totaling Fluid Meters and Counting Devices
3825      Instruments for Measuring and Testing of  Electricity and Electrical Signals
3826      Laboratory Analytical Instruments
3827      Optical Instruments and Lenses
3829      Measuring and Controlling Devices, not elsewhere classified
3841      Surgical and Medical Instruments and Apparatus
3842      Orthopedic, Prosthetic, and Surgical Appliances and Supplies
3843      Dental Equipment and Supplies
3844      X-Ray Apparatus and Tubes and Related Irradiation Apparatus
3845      Electromedical and Electrotherapeutic Apparatus
3851      Ophthalmic Goods
3861      Photographic Equipment and Supplies
3873      Watches, Clocks, Clockwork Operating Devices, and Parts
3911      Jewelry, Precious Metal
3914      Silverware, Plateware and Stainless Steelware
3915      Jewelers' Findings and Materials and Lapidary Work
3931      Musical Instruments
3942      Dolls and Stuffed Toys
3944      Games, Toys, and Children's Vehicles, except Dolls and Bicycles
3949      Sporting and Athletic Goods, not elsewhere classified
3951      Pens and Mechanical Pencils, and Parts
3952      Lead Pencils, Crayons, and Artists' Materials
3953      Marking Devices
3955      Carbon Paper and Inked Ribbons
3961      Costume Jewelry and Costume Novelties, except Precious Metal
3965      Fasteners, Buttons, Needles, and Pins
3991      Brooms and Brushes
3993      Signs and Advertising Specialties
3995      Burial Caskets
3996      Linoleum, Asphalted-Felt-Base, and other Hard Surface Floor Coverings
3999      Manufacturing Industries, not elsewhere classified
4011      Railroads, Line-Haul Operating
4013      Railroad Switching and Terminal Establishments
4111      Local and Suburban Transit
4119      Local Passenger Transportation, not elsewhere classified
4121      Taxicabs
4131      Intercity and Rural Bus Transportation
4141      Local Bus Charter Service
4142      Bus Charter Service, except local
4151      School Buses
4173      Terminal and Service Facilities for Motor Vehicle Passenger Transportation
4212      Local Trucking, without storage
4213      Trucking, except local
4214      Local Trucking, with storage
4215      Courier Services, except by air
4221      Farm Product Warehousing and Storage
4222      Refrigerated Warehousing and Storage
4225      General Warehousing and Storage
4226      Special Warehousing and Storage, not elsewhere classified
4231      Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation
4311      U.S. Postal Service
4412      Deep Sea Foreign Transportation of Freight
4424      Deep Sea Domestic Transportation of Freight
4432      Freight Transportation on the Great Lakes-Saint Lawrence Seaway
4449      Water Transportation of Freight, not elsewhere classified
4481      Deep Sea Transportation of Passengers, except by ferry
4482      Ferries
4489      Water Transportation of Passengers, not elsewhere classified
4491      Marine Cargo Handling
4492      Towing and Tugboat Services
4493      Marinas
4499      Water Transportation Services, not elsewhere classified
4512      Air Transportation, scheduled
4513      Air Courier Services
4522      Air Transportation, non scheduled
4581      Airports, Flying Fields, and Airport Terminal Services
4911      Electric Services
4952      Sewerage Systems
4953      Refuse Systems
5015      Motor Vehicle Parts, used
5093      Scrap and Waste Materials
5171      Petroleum Bulk Stations and Terminals


1 As defined in 40 Code of Federal Regulations, Chapter I, Subchapter N, Subpart C
2 As defined in 40 Code of Federal Regulations, Chapter I, Subchapter N, Subpart D
3 As defined in 40 Code of Federal Regulations, Chapter I, Subchapter N, Subpart A


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