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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=233); Capital Goods(n=553); Consumer Durables(n=69); Technology(n=890); Health Care(n=1236); Finance(n=1777); Consumer Services(n=1047); Miscellaneous(n=82); Basic Industries(n=227); Consumer Non Durables(n=223); Public Utilities(n=220); Transportation(n=97); Others(n=959);

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	161
2	advertising	5418XX	31
3	news agencies/publishing	5111XX	18
4	broadcasting (tv & radio)	5151XX	37
5	broadcasting and communications equipment	334220	28
6	telecommunication/television equipment/service	517XXX	116
7	aerospace (military & civilian)	33641X	27
8	military/tech	MILITARY	35
9	ordnance and accessories	33299X	8
10	auto manufacturing	3361XX\|3362XX\|3363XX	39
11	auto parts	3363XX	39
12	off-road/race/special vehicles	3369XX	6
13	automotive aftermarket services	8111XX	25
14	argricultural chemicals/fertilizer	3253XX	17
15	major chemicals manufacturing	3251XX	67
16	specialty tech/drug/chemicals	SPECIALTY_CHEMICALS	55
17	pharmaceuticals	3254XX	646
18	pharmaceuticals distribution	424210	11
19	biological products (diagnostic and non diagnostic)	32541X	184
20	farming/field/seed	111XXX	36
21	beverages (production & distribution)	3121XX	42
22	food stores	445XXX	11
23	food distributors	4244XX	14
24	meat/poultry/fish	3116XX\|3117XX	5
25	packaged/specialty foods	311XXX	60
26	tobacco products	3122XX	1
27	air transportation/courier services	481XXX	26
28	trucking/hauling services	484XXX	18
29	railroad transportation	482XXX	12
30	water transportation	483XXX	72
31	transportation services	485XXX	25
32	aluminum production	331313	2
33	coal mining/beneficiating	21211X	12
34	mining nonmetal minerals (except fuels)	213115	16
35	precious metals	339910	120
36	steel production	3311XX	31
37	metal fabrications	3323XX	60
38	oil & gas production	211XXX	159
39	oil refining	3241XX	14
40	oil/gas transmission	486XXX	11
41	natural gas production & distribution	2212XX	37
42	textiles	313XXX	4
43	apparel	315XXX	28
44	shoe manufacturing	316XXX	9
45	apparel/shoe/accessory stores	448XXX	30
46	banks	521110	364
47	commercial banks	522110	38
48	saving banks	522120	50
49	security broker services	5231XX	79
50	investment management	5239XX	199
51	commercial physical/biological research or service	54171X	16
52	electromedical & electrotherapeutic apparatus	334510	44
53	laboratory analytical instruments	334516	25
54	commercial printing	32311X	4
55	building materials	327XXX	11
56	building operators	5311XX	13
57	building products (power, new energy)#mostly led light	BUILDING_PRODUCTS	17
58	home furnishings	337XXX	24
59	residential building construction	2361XX	40
60	building material store/dealer	444XXX	16
61	nonresidential building construction	2362XX	1
62	engineering & construction services	5413XX	16
63	financing/mortgage	5222XX	88
64	consumer finance services	223XX	122
65	investor finance services	523XXX	247
66	diversified financial services	5412XX	18
67	professional services	541XXX	41
68	business/consulting/commercial services	5416XX\|561XXX	434
69	rental/leasing	532XXX	10
70	other consumer services	OTHER_CONSUMER_SERVICES	89
71	computer communications equipment	334210	13
72	computer manufacturing	334111	9
73	computer peripheral equipment	334118	17
74	prepackaged software/programming/edp services	518210\|5112XX\|5145XX	546
75	electronics distributions	45411X\|443142	45
76	household appliances	3352XX\|334310	26
77	consumer specialties	CONSUMER_SPECIALTIES	15
78	agriculture/construction equipment	3331XX	18
79	industrial machinery	333XXX	205
80	oilfield equipment/services	33313X\|213111\|213112	24
81	industrial specialties	3359XX\|3339XX\|3322XX\|3333XX	49
82	containers/bottling/packaging	327213	22
83	packaged goods	3256XX	19
84	department/general/specialty stores	452XXX	74
85	wholesaler	42XXXX	4
86	electric utilities	2211XX	66
87	eletricity/gas production/distribution (non state-owned)	2211XX\|2212XX	40
88	electrical components/products	33531X\|33441X\|33451X	71
89	semiconductors	334413\|333242	111
90	environmental equipment/services	562XXX	23
91	water supply/sewer	2213XX	22
92	fluid controls	334512	9
93	restaurants	722XXX	57
94	hotels/resorts	721XXX	40
95	motion picture entertainment	5121XX	18
96	recreational products/toys	3399XX	20
97	recreation services	713XXX	42
98	medical specialty equipment/services	334517\|3391XX	205
99	assisted living	623XXX	29
100	hospitals	622XXX	25
101	forest products	321XXX	10
102	paints/coating	322510	3
103	paper products	322XXX	8
104	plastic products	326XXX	15
105	real estate/investment trust	531XXX	301
106	office equipment/services	3372XX	13
107	miscellaneous manufacturing	OTHER_MANUF	24
108	others	OTHERS	964

^* '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.