| Title | SIC Code |
|---|
| Oakum | SIC 22999909 |
| Oars And Paddles, Wood | SIC 24999911 |
| Oat Farm | SIC 01190203 |
| Oat Flour | SIC 20410109 |
| Oatmeal: Prepared As Cereal Breakfast Food | SIC 20439909 |
| Oats | SIC 51530103 |
| Oboes And English Horns | SIC 39310305 |
| Observation Tower Operation | SIC 79991507 |
| Obstetrician | SIC 80110511 |
| Occupational And Industrial Specialist, Physician/ | SIC 80119902 |
| Occupational Therapist | SIC 80499909 |
| Oculist | SIC 80110512 |
| Odometers | SIC 38240301 |
| Off-road Automobiles, Except Recreational Vehicles | SIC 379903 |
| Off-track Betting | SIC 79991306 |
| Offender Rehabilitation Agency | SIC 83220401 |
| Offender Self-help Agency | SIC 83220402 |
| Office And Public Building Furniture | SIC 502101 |
| Office And Store Showcases And Display Fixtures | SIC 254202 |
| Office Bookcases, Wallcases And Partitions, Except | SIC 252202 |
| Office Cabinets And Filing Drawers, Except Wood | SIC 252203 |
| Office Chairs, Benches, And Stools, Except Wood | SIC 252201 |
| Office Cleaning Or Charring | SIC 73490106 |
| Office Computer Automation Systems Integration | SIC 73730202 |
| Office Desks And Tables, Except Wood | SIC 252204 |
| Office Equipment | SIC 5044 |
| Office Equipment And Accessory Customizing | SIC 76992002 |
| Office Facilities And Secretarial Service Rental | SIC 73899933 |
| Office Filing Supplies | SIC 511205 |
| Office Fixtures, Wood | SIC 25410104 |
| Office Forms And Supplies | SIC 59439902 |
| Office Furniture | SIC 252 |
| Office Furniture | SIC 57129904 |
| Office Furniture And Store Fixtures, Secondhand | SIC 593205 |
| Office Furniture Installation | SIC 17990607 |
| Office Furniture Repair And Maintenance | SIC 76410203 |
| Office Furniture, Except Wood | SIC 2522 |
| Office Furniture, Nec | SIC 50210106 |
| Office Furniture, Secondhand | SIC 59320501 |
| Office Help Supply Service | SIC 73639907 |
| Office Machine Rental, Except Computers | SIC 73590505 |
| Office Machines, Nec | SIC 3579 |
| Office Management | SIC 87410103 |
| Office Supplies, Nec | SIC 51129907 |
| Offices And Clinics Of Chiropractors | SIC 8041 |
| Offices And Clinics Of Dentists | SIC 802 |
| Offices And Clinics Of Dentists | SIC 8021 |
| Offices And Clinics Of Doctors Of Medicine | SIC 801 |
| Offices And Clinics Of Doctors Of Osteopathy | SIC 803 |
| Offices And Clinics Of Medical Doctors | SIC 8011 |
| Offices And Clinics Of Optometrists | SIC 8042 |
| Offices And Clinics Of Osteopathic Physicians | SIC 8031 |
| Offices And Clinics Of Other Health Practitioners | SIC 804 |
| Offices And Clinics Of Podiatrists | SIC 8043 |
| Offices Of Health Practitioner | SIC 8049 |
| Offset And Photolithographic Printing | SIC 275201 |
| Offset Paper | SIC 26210405 |
| Offset Printing | SIC 27520101 |
| Offshore Supply Boats, Building And Repairing | SIC 37310203 |
| Oil Absorption Equipment | SIC 2899995 |
| Oil Additives | SIC 51690702 |
| Oil And Gas Drilling Rigs And Equipment | SIC 353301 |
| Oil And Gas Exploration Services | SIC 1382 |
| Oil And Gas Extraction | SIC 13 |
| Oil And Gas Field Machinery | SIC 3533 |
| Oil And Gas Field Machinery Rubber Goods (mechanic | SIC 30619904 |
| Oil And Gas Field Services | SIC 138 |
| Oil And Gas Field Services, Nec | SIC 1389 |
| Oil And Gas Lease Brokers | SIC 62110303 |
| Oil And Gas Line And Compressor Station Constructi | SIC 162301 |
| Oil And Gas Pipeline Construction | SIC 16230103 |
| Oil And Gas Wells: Building, Repairing And Dismant | SIC 13890106 |
| Oil And Gasoline Storage Caverns For Hire | SIC 42260101 |
| Oil And Greases (animal Or Vegetable) | SIC 519908 |
| Oil Burner Repair Service | SIC 76990302 |
| Oil Burners | SIC 50740209 |
| Oil Burners, Domestic Or Industrial | SIC 34330106 |
| Oil Cans, Metal | SIC 34119903 |
| Oil Consultants | SIC 13899911 |
| Oil Cups, Metal | SIC 35999911 |
| Oil Equipment Rental Services | SIC 735301 |
| Oil Field Equipment | SIC 50829906 |
| Oil Field Equipment, Rental Or Leasing | SIC 73530101 |
| Oil Field Machinery And Equipment | SIC 35339903 |
| Oil Field Services, Nec | SIC 13899912 |
| Oil Filters, Internal Combustion Engine, Except Au | SIC 35999912 |
| Oil Grains | SIC 011903 |
| Oil Leases, Buying And Selling On Own Account | SIC 67929901 |
| Oil Nuts, Kernels, Seeds | SIC 51590502 |
| Oil Pressure Gauges, Motor Vehicle | SIC 38290109 |
| Oil Pump, Motor Vehicle | SIC 37140119 |
| Oil Pumps, Measuring Or Dispensing | SIC 35869903 |
| Oil Refinery Construction | SIC 16290503 |
| Oil Refining Machinery, Equipment, And Supplies | SIC 50840404 |
| Oil Royalties Dealers | SIC 62110304 |
| Oil Royalty Traders | SIC 6792 |
| Oil Sampling Service For Oil Companies | SIC 13890203 |
| Oil Sand Mining | SIC 13110301 |
| Oil Seals, Leather | SIC 30530106 |
| Oil Seals, Rubber | SIC 30530107 |
| Oil Shale Mining | SIC 13110302 |
| Oil Spill Cleanup | SIC 49590301 |
| Oil Strainers, Motor Vehicle | SIC 3714012 |
| Oil Treating Compounds | SIC 28999933 |
| Oil Well Drilling Equipment, Rental Or Leasing | SIC 73530102 |
| Oil Well Machinery, Equipment, And Supplies | SIC 50840405 |
| Oil, Hydrogenated: Edible | SIC 20799904 |
| Oil, Waste | SIC 50939905 |
| Oiled Paper: Made From Purchased Materials | SIC 26720106 |
| Oils And Essential Oils | SIC 289901 |
| Oils And Greases | SIC 284301 |
| Oils And Greases, Blending And Compounding | SIC 29929901 |
| Oils, Animal Or Vegetable | SIC 51990803 |
| Oils, Fuel | SIC 29110303 |
| Oils, Illuminating | SIC 29110304 |
| Oils, Lubricating | SIC 29110404 |
| Oils, Partly Refined: Sold For Rerunning | SIC 29110305 |
| Ointments | SIC 28340604 |
| Old Age Assistance | SIC 83220102 |
| Old Soldiers' Home | SIC 83610402 |
| Olefins | SIC 286902 |
| Oleomargarine | SIC 51490103 |
| Olive Grove | SIC 01799907 |
| Olive Oil | SIC 20799906 |
| Olives, Brined: Bulk | SIC 20350204 |
| Olives: Packaged In Cans, Jars, Etc. | SIC 20330312 |
| Omnibearing Indicators | SIC 38120123 |
| On-line Data Base Information Retrieval | SIC 73759902 |
| On-stream Gas/liquid Analysis Instruments, Industr | SIC 382305 |
| Oncologist | SIC 80110108 |
| Onion Farm | SIC 01610303 |
| Onion Fries | SIC 20969902 |
| Online Service Providers | SIC 481302 |
| Online Services Technology Consultants | SIC 73790203 |
| Onyx Marble, Crushed And Broken-quarrying | SIC 14299908 |
| Opalescent Glass, Flat | SIC 32119904 |
| Open Flooring And Grating For Construction | SIC 344602 |
| Open Pit Copper Ore Mining | SIC 10210102 |
| Open Pit Gold Mining | SIC 10410101 |
| Open Pit Iron Ore Mining, Nec | SIC 10110101 |
| Open Pit Silver Mining | SIC 10440101 |
| Open Pit Taconite Mining | SIC 10110102 |
| Opera Company | SIC 79220303 |
| Opera Hats | SIC 23539909 |
| Operating Systems Computer Software | SIC 73729905 |
| Operating Tables | SIC 38419902 |
| Operative Builders | SIC 153 |
| Operative Builders | SIC 1531 |
| Operator Training, Computer | SIC 82439901 |
| Ophthalmic Glass, Except Flat | SIC 32290202 |
| Ophthalmic Glass, Flat | SIC 32110101 |
| Ophthalmic Goods | SIC 385 |
| Ophthalmic Goods | SIC 3851 |
| Ophthalmic Goods | SIC 5048 |
| Ophthalmic Instruments And Apparatus | SIC 384101 |
| Ophthalmic Lasers | SIC 38410102 |
| Opinion Research | SIC 87320107 |
| Opthalmologist | SIC 80110513 |
| Optical Alignment And Display Instruments | SIC 38279913 |
| Optical Comparators | SIC 38279914 |
| Optical Disks And Tape, Blank | SIC 36959901 |
| Optical Elements And Assemblies, Except Ophthalmic | SIC 38279915 |
| Optical Glass | SIC 322902 |
| Optical Glass Blanks | SIC 32290203 |
| Optical Glass, Flat | SIC 32110102 |
| Optical Goods | SIC 50490104 |
| Optical Goods Stores | SIC 5995 |
| Optical Instrument Repair | SIC 76990106 |
| Optical Instruments And Apparatus | SIC 382701 |
| Optical Instruments And Lenses | SIC 3827 |
| Optical Isolators | SIC 36749908 |
| Optical Lens Machinery | SIC 35599918 |
| Optical Scanning Data Service | SIC 73749905 |
| Optical Scanning Devices | SIC 35770503 |
| Optical Test And Inspection Equipment | SIC 38279916 |
| Opticians | SIC 59959903 |
| Optometers | SIC 38410209 |
| Optometric Equipment And Supplies | SIC 50489904 |
| Oral Pathologist | SIC 80210104 |
| Oral Preparations | SIC 284402 |
| Orange Grove | SIC 01749904 |
| Orange Oil | SIC 28990111 |
| Orchard Management And Maintenance Services | SIC 07629902 |
| Orchard Tree And Vine Bracing Services | SIC 07210101 |
| Orchard Tree And Vine Pruning Services | SIC 07210102 |
| Orchard Tree And Vine Services | SIC 072101 |
| Orchard Tree And Vine Surgery Services | SIC 07210103 |
| Orchestras Or Bands, Nec | SIC 79290109 |
| Ordnance And Accessories, Except Vehicles And Guided Missiles | SIC 348 |
| Ordnance And Accessories, Nec | SIC 3489 |
| Ordnance Forgings, Ferrous | SIC 34620502 |
| Organ Bank | SIC 80999909 |
| Organ Hardware | SIC 34299909 |
| Organ Parts And Materials | SIC 39310115 |
| Organ Tuning And Repair | SIC 76991001 |
| Organic And Diet Food | SIC 514906 |
| Organic Chemicals, Synthetic | SIC 5169991 |
| Organic Fibers, Noncellulosic | SIC 2824 |
| Organic Medicinal Chemicals: Bulk, Uncompounded | SIC 28330105 |
| Organization Hotels And Lodging Houses, On Membership Basis | SIC 704 |
| Organizers For Closets, Drawers, Etc.: Plastics | SIC 30890107 |
| Organs | SIC 57360101 |
| Organs, All Types: Pipe, Reed, Hand, Electronic, E | SIC 39310116 |
| Ornamental And Architectural Plaster Work | SIC 329903 |
| Ornamental Glass: Cut, Engraved Or Otherwise Decor | SIC 323101 |
| Ornamental Lighting Fixtures, Commercial | SIC 36469905 |
| Ornamental Metal Forgings, Ferrous | SIC 34629909 |
| Ornamental Metal Stampings | SIC 34699909 |
| Ornamental Metal Work | SIC 17999924 |
| Ornamental Metalwork | SIC 344606 |
| Ornamental Nursery Products | SIC 0181 |
| Ornamental Shrub And Tree Services | SIC 0783 |
| Ornamental Woodwork: Cornices, Mantels, Etc. | SIC 24310601 |
| Ornaments, Costume, Except Precious Metal And Gems | SIC 39610202 |
| Ornaments, Shoe | SIC 31310105 |
| Orphanage | SIC 83610106 |
| Orthodontic Appliance Production | SIC 80729904 |
| Orthodontic Appliances | SIC 38430116 |
| Orthodontist | SIC 80210105 |
| Orthopedic And Prosthesis Applications | SIC 59990906 |
| Orthopedic Appliances | SIC 384204 |
| Orthopedic Equipment And Supplies | SIC 50470309 |
| Orthopedic Hospital | SIC 80699905 |
| Orthopedic Physician | SIC 80110514 |
| Orthopedic Shoes, Children's | SIC 31490101 |
| Orthopedic Shoes, Men's | SIC 31439903 |
| Orthopedic Shoes, Women's | SIC 31449903 |
| Orthopedic Sundries, Molded Rubber | SIC 30690805 |
| Oscillators | SIC 36790302 |
| Oscillators, Audio And Radio Frequency (instrument | SIC 38250317 |
| Oscillographs And Oscilloscopes | SIC 38250318 |
| Osteoporosis Center | SIC 80999907 |
| Otoscopes, Except Electromedical | SIC 3841021 |
| Outboard Boats | SIC 55510104 |
| Outboard Motors | SIC 35199904 |
| Outboard Motors | SIC 50910704 |
| Outboard Motors | SIC 55510402 |
| Outdoor Advertising Services | SIC 7312 |
| Outdoor And Garden Furniture | SIC 57129905 |
| Outdoor And Lawn Furniture, Nec | SIC 50219904 |
| Outdoor Field Clubs | SIC 799704 |
| Outdoor Lighting Equipment | SIC 364801 |
| Outdoor Parking Services | SIC 752101 |
| Outdoor Wood Structural Products | SIC 242104 |
| Outfitters, Recreation | SIC 79999907 |
| Outing Flannel, Cotton | SIC 22110405 |
| Outlet Boxes (electric Wiring Devices) | SIC 36440103 |
| Outlets, Electric: Convenience | SIC 36430104 |
| Outreach Program | SIC 83220605 |
| Ovens, Bakery | SIC 35560302 |
| Ovens, Laboratory | SIC 38210306 |
| Ovens, Microwave: Commercial | SIC 50460305 |
| Ovens, Portable: Household | SIC 36340112 |
| Overalls And Coveralls | SIC 23260102 |
| Overburden Removal, Anthracite Mining | SIC 12410201 |
| Overburden Removal, Nonmetallic Minerals | SIC 14819902 |
| Overcoatings: Wool, Mohair, Or Similar Fibers | SIC 22310101 |
| Overcoats And Topcoats: Men's, Youths' And Boys' | SIC 23110202 |
| Overhead Conveyor Systems | SIC 35359903 |
| Overprinting: Manmade Fiber And Silk Broadwoven Fa | SIC 22620103 |
| Overshoes, Plastic | SIC 30210107 |
| Oxidizers, Inorganic | SIC 28999935 |
| Oxygen | SIC 51690208 |
| Oxygen Systems, Aircraft | SIC 37289907 |
| Oxygen Tent Service | SIC 80829901 |
| Oxygen Tents | SIC 38419903 |
| Oxygen Therapy Equipment | SIC 50470105 |
| Oxygen, Compressed Or Liquefied | SIC 28139909 |
| Oyster Bar | SIC 58120701 |
| Oyster Beds | SIC 09130103 |
| Oyster Shells, Dredging | SIC 09199903 |
| Oyster Shells, Ground: Prepared As Animal Feed | SIC 20489913 |
| Oysters, Dredging Or Tonging Of | SIC 09130104 |
| Oysters, Preserved And Cured | SIC 20910208 |
| Oysters: Packaged In Cans, Jars, Etc. | SIC 20910209 |
| Ozone Machines | SIC 35599919 |
