U.S. Standard Industrial Classification (SIC)

SIC Businesses & Products

SIC [1987]  →  A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z

275  Beginning With ‘O’

Page:   1   2   3   4   5   6   7   8   9   10   11   12   13   14   ·   All      ↓Bottom

SIC Code	Business  or  Product	Registrants
2861	Oak extract	*
2299	Oakum	*
2499	Oars, wood	*
0119	Oat farms	*
2043	Oatmeal (cereal breakfast food)	*
5153	Oats – wholesale	*
2043	Oats, rolled (cereal breakfast food)	*
2048	Oats: crimped, pulverized, and rolled: except breakfast food	*
5932	Objects of art, antique – retail	*
3931	Oboes	10
7999	Observation tower operation	1
8011	Obstetricians, offices of	115
3931	Ocarinas	10
8049	Occupational therapists, offices of	*
1479	Ocher mining	*
2816	Ochers	*
3931	Octophones	10
8011	Oculists, offices of	115
3824	Odometers	11
3489	Oerlikon guns	*
3061	Off-highway machinery and equipment mechanical rubber goods: molded, extruded, and lathe-cut	*
7999	Off-track betting	1
8322	Offender rehabilitation agencies	*
8322	Offender self-help agencies	*
7373	Office automation, computer systems integration	599
1542	Office building construction-general contractors	*
7349	Office cleaning service	*
7363	Office help supply service	147
7359	Office machine rental and leasing, except computers	314
7629	Office machine repair, electrical: except typewriters, computers, and computer peripheral equipment	*
8741	Office management services	163
5112	Office supplies – wholesale	*
2893	Offset ink	*
2621	Offset paper – made in the same establishment	75
2796	Offset plates, positives or negatives: preparation of	*
2752	Offset printing	*
3731	Offshore supply boats, building and repairing	*
3825	Ohmmeters	93
5169	Oil additives – wholesale	*
3533	Oil and gas field machinery and equipment	81
3061	Oil and gas field machinery and equipment mechanical rubber goods: molded, extruded, and lathe-cut	*
6211	Oil and gas lease brokers	299
4226	Oil and gasoline storage caverns for hire	*
5074	Oil burners – wholesale	*
3433	Oil burners, domestic and industrial	38
3411	Oil cans, metal	30
5169	Oil drilling muds – wholesale	*
7359	Oil field equipment rental and leasing	314
3714	Oil filters, motor vehicle	366
5159	Oil kernels – wholesale	*
6792	Oil leases, buying and selling on own account	70
5159	Oil nuts – wholesale	*
1629	Oil refinery construction-general contractors	*
5084	Oil refining machinery, equipment, and supplies – wholesale	51
6211	Oil royalties, dealers in	299
6792	Oil royalty companies	70
1389	Oil sampling service for oil companies on a contract basis	171
1311	Oil sand mining	1,508
3053	Oil seals, asbestos	*
3053	Oil seals, leather	*
3053	Oil seals, rubber	*
1311	Oil shale mining	1,508
4959	Oil spill cleanup	*
3443	Oil storage tanks, metal plate	35
2899	Oil treating compounds	*
7359	Oil well drilling equipment rental and leasing	314
1389	Oil well logging on a contract basis	171
5084	Oil well machinery, equipment, and supplies – wholesale	51
5084	Oil well supply houses – wholesale	51
2046	Oil, corn: crude and refined	*
2079	Oil, hydrogenated: edible	*
2079	Oil, partially hydrogenated: edible	*
2843	Oil, turkey red	*
2079	Oil, vegetable winter stearin	*
5093	Oil, waste – wholesale	*
2295	Oilcloth	*
2672	Oiled paper – made from purchased materials	*
2077	Oils, animal	*
5199	Oils, except cooking: animal and vegetable – wholesale	*
2077	Oils, fish and marine animal: e.g., herring, menhaden, whale (refined), sardine	*
2911	Oils, partly refined: sold for rerunning-produced in petroleum refineries	172
2843	Oils, soluble (textile assistants)	*
2833	Oils, vegetable and animal: medicinal grade-refined and concentrated	207
2076	Oils, vegetable: except corn, cottonseed, and soybean	*
2861	Oils, wood: product of hardwood distillation	*
2911	Oils: fuel, lubricating, and illuminating-produced in petroleum refineries	172
2865	Oils: light, medium, and heavy: made in chemical plants	*
5199	Oilseed cake and meal – wholesale	*
3556	Oilseed crushing and extracting machinery	*
5159	Oilseeds – wholesale	*
1499	Oilstone quarrying	1
3291	Oilstones, artificial	*
2834	Ointments	1,955
2076	Oiticica oil	*
8322	Old age assistance	*
8361	Old soldiers’ homes	*
2851	Oleate driers	50
2824	Olefin fibers	*
2899	Oleic acid (red oil)	*
2869	Oleic acid esters	*
3728	Oleo struts, aircraft	158
2819	Oleum (fuming sulfuric acid)	*
0179	Olive groves and farms	*
2079	Olive oil	*
2035	Olives, brined: bulk	*
2034	Olives, dried	1
2033	Olives, including stuffed: canned	29
1459	Olivine (nongem) mining	*
3812	Omnibearing instrumentation	124
1521	One-family house construction-general contractors	*
0161	Onion farms	*
2035	Onions, pickled	*
7375	Online database information retrieval services	*
1429	Onyx marble, crushed and broken-quarrying	*
1411	Onyx marble, dimension-quarrying	*
3211	Opalescent flat glass	4
2211	Opaline, cotton	34
7922	Opera companies	*
2353	Opera hats	*
7372	Operating systems software, computer: prepackaged	1,938
3841	Operating tables	654
8742	Operations research consultants	392
1531	Operative builders on own account	190
6513	Operators of apartment buildings (five or more housing units)	135
6513	Operators of apartment hotels	135
6512	Operators of commercial and industrial buildings	228
6514	Operators of dwellings (four or fewer housing units)	*
6515	Operators of mobile home sites	*
6512	Operators of nonresidential buildings	228
6514	Operators of residential buildings (four or fewer housing units)	*
6513	Operators of residential hotels	135
6513	Operators of retirement hotels	135
3229	Ophthalmic glass, except flat	*
3211	Ophthalmic glass, flat	4
5048	Ophthalmic goods – wholesale	*
3841	Ophthalmic instruments and apparatus	654
3851	Ophthalmic lens grinding, except prescription	48
8011	Ophthalmologists, offices of	115
3841	Ophthalmometers and ophthalmoscopes	654
8732	Opinion research, commercial	*
2833	Opium derivatives	207
3827	Optical alignment and display instruments, except photographic	53
3827	Optical comparators	53
3695	Optical disks and tape, blank	14
3229	Optical glass blanks	*
3211	Optical glass, flat	4
5995	Optical goods – retail	*
3674	Optical isolators	547
3559	Optical lens machinery	141
7374	Optical scanning data service	641
3577	Optical scanning devices, computer peripheral equipment	235
3572	Optical storage devices for computers	90
3827	Optical test and inspection equipment	53
5995	Opticians – retail	*
6211	Option dealers, stock	299
6231	Option exchanges, stock	*
3841	Optometers	654
5048	Optometric equipment and supplies – wholesale	*
8042	Optometrists, offices and clinics of	*
8021	Oral pathologists, offices of	*
0174	Orange groves and farms	*
2899	Orange oil	*
0721	Orchard cultivation services	*
0762	Orchard management and maintenance, with or without crop services	*
7929	Orchestras	*
5961	Order taking offices of mail-order houses – retail	302
3462	Ordnance forgings, ferrous: not made in rolling mills	*
3463	Ordnance forgings, nonferrous: not made in hot-rolling mills	*
3569	Ordnance testing chambers	71
3532	Ore crushing, washing, screening, and loading machinery	13
3429	Organ hardware	*
3931	Organ parts and materials, except organ hardware	10
7699	Organ tuning and repair	*
2211	Organdy, cotton	34
2869	Organic acid esters	*
2869	Organic chemicals, acyclic	*
5169	Organic chemicals, synthetic – wholesale	*
2824	Organic fibers, synthetic: except cellulosic	*
2865	Organic pigments (lakes and toners)	*
3089	Organizers for closets, drawers, and shelves: plastics	168
3931	Organs, all types: e.g., pipe, reed, hand, street, barrel, electronic, player	10
3446	Ornamental and architectural metalwork	*
3299	Ornamental and architectural plaster work: e.g., mantels and columns	*
0783	Ornamental bush planting, pruning, bracing, spraying, removal, and surgery	*
1799	Ornamental metalwork-contractors	*
0783	Ornamental tree planting, pruning, bracing, spraying, removal, and surgery	*
2431	Ornamental woodwork: e.g., cornices and mantels	*
3231	Ornamented glass, made from purchased glass	25
3699	Ornaments, Christmas tree: electric	*
3961	Ornaments, costume: except precious metal and gems	*
3131	Ornaments, shoe	*
8361	Orphanages	*
2899	Orris oil	*
2865	Orthodichlorobenzene	*
3843	Orthodontic appliances	40
8072	Orthodontic appliances made in dental laboratories to order for the profession	*
8021	Orthodontists, offices of	*
5999	Orthopedic and artificial limb stores – retail	*
3842	Orthopedic devices and materials	187
5047	Orthopedic equipment – wholesale	106
8069	Orthopedic hospitals	*
8011	Orthopedic physicians, offices of	115
3275	Orthopedic plaster, gypsum	*
3149	Orthopedic shoes, children’s: except extension shoes	*
3143	Orthopedic shoes, men’s: except extension shoes	*
3144	Orthopedic shoes, women’s: except extension shoes	*
3069	Orthopedic sundries, molded rubber	*
3825	Oscillators, audiofrequency and radiofrequency (instrument types)	93
3679	Oscillators, except laboratory type	159
3825	Oscillographs and oscilloscopes	93
1099	Osmium ore mining	1
3826	Osmometers	126
2211	Osnaburgs	34
2899	Ossein	*
8031	Osteopathic physicians, offices and clinics of	*
8099	Osteoperosis centers	3
3845	Otoscopes, electromedical	309
3841	Otoscopes, except electromedical	654
5551	Outboard motor dealers – retail	*
5091	Outboard motors – wholesale	*
3699	Outboard motors, electric	*
3519	Outboard motors, except electric	*
7312	Outdoor advertising service	1
5712	Outdoor furniture – retail	31
5136	Outerwear, men’s and boys’ – wholesale	*
5137	Outerwear: women’s, children’s, and infants’ – wholesale	*
2211	Outing flannel, cotton	34
8093	Outpatient detoxification centers	181
8093	Outpatient mental health clinics	181
8093	Outpatient treatment clinics for alcoholism and drug addiction	181
8322	Outreach programs	*
1629	Oven construction for industrial plants-general contractors	*
1629	Oven construction, bakers’-general contractors	*
3822	Oven temperature controls, nonindustrial	35
3556	Ovens, bakery	*
3589	Ovens, cafeteria food warming: portable	*
3631	Ovens, household: excluding portable appliances other than microwave and convection	*
3634	Ovens, household: portable: except microwave and convection ovens	44
3567	Ovens, industrial process: except bakery	14
3821	Ovens, laboratory	30
3589	Ovens, microwave (cooking equipment): commercial	*
5046	Ovens, microwave: commercial – wholesale	*
3569	Ovens, surveillance: for aging and testing powder	71
3089	Ovenware, plastics	168
4213	Over-the-road trucking	109
2326	Overall jackets: men’s and boys’ – made from purchased materials	*
2326	Overalls, work: men’s and boys’ – made from purchased materials	*
1241	Overburden removal for bituminous coal, anthracite, and lignite on a contract basis	*
1081	Overburden removal for metal mining: on a contract basis	*
1481	Overburden removal for nonmetallic minerals, except fuels: on a contract basis	*
2231	Overcoatings: wool, mohair, and similar animal fibers	*
5136	Overcoats, men’s and boys’ – wholesale	*
2311	Overcoats: men’s and boys’	*
3535	Overhead conveyor systems for general industrial use	*
1622	Overpass construction-general contractors	*
3021	Overshoes, plastics	19
3021	Overshoes, rubber or rubber soled fabric	19
2833	Ox bile salts and derivatives: bulk, uncompounded	207
2869	Oxalates	*
2869	Oxalic acid and metallic salts	*
2211	Oxfords (cotton fabrics)	34
2819	Oxidation catalyst made from porcelain	*
2899	Oxidizers, inorganic	*
3728	Oxygen systems for aircraft	158
8099	Oxygen tent service	3
3841	Oxygen tents	654
2813	Oxygen, compressed and liquefied	*
5812	Oyster bars	549
0913	Oyster beds	*
2048	Oyster shells, ground: used as feed for animals and fowls	*
2091	Oysters, canned and cured	*
0913	Oysters, dredging or tonging of	*
2092	Oysters, fresh: shucking and packing in nonsealed containers	14
1499	Ozokerite mining	1
3559	Ozone machines	141
________  *  There are SEC Registrants, but only at the 2- or 3-digit SIC Code levels.