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Sector & Industry Classification

Katelynn's Report manually maintains the sector and industry classification for each publicly traded company by following NAICS (North American Industry Classification System) guidelines. The classifications are double-checked regularly by our financial experts by looking into the most up-to-date fact sheet of corresponding business, as such the business establishments can be properly grouped and compared according to type of economic activity they are actually conducting.

Sector Classification

Each publicly traded company is classified into one of the thirteen sectors including Energy(n=229); Capital Goods(n=553); Consumer Durables(n=67); Technology(n=901); Health Care(n=1212); Finance(n=1697); Consumer Services(n=1085); Miscellaneous(n=85); Basic Industries(n=225); Consumer Non Durables(n=222); Public Utilities(n=222); Transportation(n=92); Others(n=820);

Industry Classification

Each publicly traded company is classified into one of the 108 industries listed in the following table

ID	Industry	NAICS^*	Count
1	property/casualty/life/health/specialty insurers	524XXX	160
2	advertising	5418XX	30
3	news agencies/publishing	5111XX	19
4	broadcasting (tv & radio)	5151XX	34
5	broadcasting and communications equipment	334220	26
6	telecommunication/television equipment/service	517XXX	117
7	aerospace (military & civilian)	33641X	29
8	military/tech	MILITARY	37
9	ordnance and accessories	33299X	8
10	auto manufacturing	3361XX\|3362XX\|3363XX	38
11	auto parts	3363XX	42
12	off-road/race/special vehicles	3369XX	8
13	automotive aftermarket services	8111XX	25
14	argricultural chemicals/fertilizer	3253XX	18
15	major chemicals manufacturing	3251XX	66
16	specialty tech/drug/chemicals	SPECIALTY_CHEMICALS	40
17	pharmaceuticals	3254XX	619
18	pharmaceuticals distribution	424210	10
19	biological products (diagnostic and non diagnostic)	32541X	196
20	farming/field/seed	111XXX	35
21	beverages (production & distribution)	3121XX	41
22	food stores	445XXX	12
23	food distributors	4244XX	14
24	meat/poultry/fish	3116XX\|3117XX	5
25	packaged/specialty foods	311XXX	62
26	tobacco products	3122XX	1
27	air transportation/courier services	481XXX	25
28	trucking/hauling services	484XXX	17
29	railroad transportation	482XXX	12
30	water transportation	483XXX	77
31	transportation services	485XXX	30
32	aluminum production	331313	2
33	coal mining/beneficiating	21211X	13
34	mining nonmetal minerals (except fuels)	213115	18
35	precious metals	339910	121
36	steel production	3311XX	32
37	metal fabrications	3323XX	60
38	oil & gas production	211XXX	157
39	oil refining	3241XX	15
40	oil/gas transmission	486XXX	13
41	natural gas production & distribution	2212XX	36
42	textiles	313XXX	4
43	apparel	315XXX	29
44	shoe manufacturing	316XXX	10
45	apparel/shoe/accessory stores	448XXX	29
46	banks	521110	362
47	commercial banks	522110	39
48	saving banks	522120	49
49	security broker services	5231XX	79
50	investment management	5239XX	200
51	commercial physical/biological research or service	54171X	18
52	electromedical & electrotherapeutic apparatus	334510	41
53	laboratory analytical instruments	334516	27
54	commercial printing	32311X	4
55	building materials	327XXX	11
56	building operators	5311XX	11
57	building products (power, new energy)#mostly led light	BUILDING_PRODUCTS	19
58	home furnishings	337XXX	25
59			1
60	residential building construction	2361XX	38
61	building material store/dealer	444XXX	17
62	nonresidential building construction	2362XX	1
63	engineering & construction services	5413XX	18
64	financing/mortgage	5222XX	87
65	consumer finance services	223XX	131
66	investor finance services	523XXX	238
67	diversified financial services	5412XX	9
68	professional services	541XXX	46
69	business/consulting/commercial services	5416XX\|561XXX	355
70	rental/leasing	532XXX	9
71	other consumer services	OTHER_CONSUMER_SERVICES	92
72	computer communications equipment	334210	15
73	computer manufacturing	334111	9
74	computer peripheral equipment	334118	17
75	prepackaged software/programming/edp services	518210\|5112XX\|5145XX	545
76	electronics distributions	45411X\|443142	45
77	household appliances	3352XX\|334310	30
78	consumer specialties	CONSUMER_SPECIALTIES	15
79	agriculture/construction equipment	3331XX	16
80	industrial machinery	333XXX	211
81	oilfield equipment/services	33313X\|213111\|213112	24
82	industrial specialties	3359XX\|3339XX\|3322XX\|3333XX	47
83	containers/bottling/packaging	327213	23
84	packaged goods	3256XX	17
85	department/general/specialty stores	452XXX	72
86	wholesaler	42XXXX	2
87	electric utilities	2211XX	70
88	eletricity/gas production/distribution (non state-owned)	2211XX\|2212XX	38
89	electrical components/products	33531X\|33441X\|33451X	72
90	semiconductors	334413\|333242	114
91	environmental equipment/services	562XXX	23
92	water supply/sewer	2213XX	21
93	fluid controls	334512	9
94	restaurants	722XXX	56
95	hotels/resorts	721XXX	41
96	motion picture entertainment	5121XX	19
97	recreational products/toys	3399XX	23
98	recreation services	713XXX	42
99	medical specialty equipment/services	334517\|3391XX	209
100	assisted living	623XXX	31
101	hospitals	622XXX	27
102	forest products	321XXX	9
103	paints/coating	322510	3
104	paper products	322XXX	8
105	plastic products	326XXX	16
106	real estate/investment trust	531XXX	310
107	office equipment/services	3372XX	12
108	miscellaneous manufacturing	OTHER_MANUF	26
109	others	OTHERS	824

^* 'X' represents all sub categories from 0 to 9. Descriptive string (e.g. BUILDING_PRODUCTS) is used when no appropriate category was found from NAICS classification.