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Standard Industrial Classification (SIC) [1987]

Top-Down Approach

Start→ SIC DivisionMajor GroupIndustry GroupIndustry

SIC CodeU.S. Division [ SIC Code Range ]Registrants
In ascending order
AAgriculture, Forestry, and Fishing [01xx-09xx]288
BMining [10xx-14xx]4,146
CConstruction [15xx-17xx]625
DManufacturing [20xx-39xx]18,104
ETransportation, Communications, Electric, Gas, and Sanitary Services [4xxx]5,275
FWholesale Trade [50xx-51xx]1,999
GRetail Trade [52xx-59xx]2,981
HFinance, Insurance, and Real Estate [60xx-67xx]26,420
IServices [70xx-89xx]13,361
JPublic Administration [91xx-97xx]5
KNonclassifiable Establishments [99xx]1,043

Bottom-Up Approach

Start → SIC Product → Business → Industry

A - ZProduct or Business
In ascending order
AAbdominal supporters, braces, and trusses . . . Azoic dyes
BBabbitt metal smelting and refining, secondary . . . Buying agents, real estate
CC-clamps . . . Cytology and histology diagnostic products
DDairy bars . . . Dzus fasteners
EEar stoppers . . . Eyes, glass and plastics
FFabric finishing of wool, mohair, & similar animal fibers . . . Futures exchanges, contract
GGabardine, cotton . . . Gyroscopes
HHaberdashery stores -- retail . . . Hypophosphites
IIce bank controls . . . IV transfusion apparatus
JJackets -- made in the same establishment . . . Juvenile furniture, wood
KKalsomines, dry or paste . . . Kyanite mining
LLabel moisteners, industrial type . . . Lye, household
MMacadamia groves and farms . . . Myrobalans extract
NN-methylpiperazine . . . Nytril broadwoven fabrics
OOak extract . . . Ozone machines
PPacemakers . . . Pyrrhotite mining
QQuail farms . . . Quotation service, stock
RRabbit farms . . . Rye farms
SS-type rubber . . . Systems integration, computer
TT-shirts, outerwear -- made in the same establishment . . . Tyuyamunite mining
UU.S. attorneys’ offices . . . Utility trailers -- retail
VV-belts, rubber or plastics . . . Vulcanizing tires and tubes
WWading pools, plastics coated fabric . . . Wurtzilite mining
XX-ray apparatus & tubes: medical, industrial, research, & control... Xylophones & parts
YY bends and branches, pipe: metal . . . Youth self-help organizations
ZZein fibers . . . Zwieback

The SIC and NAICS Standards

The Standard Industrial Classification (SIC) is an older U.S. statistical classification standard underlying all establishment-based Federal economic statistics classified by industry. The SIC, most recently SIC [1987], is used to promote the comparability of establishment data describing various facets of the U.S. economy. The classification covers the entire field of economic activities and defines industries in accordance with the composition and structure of the economy. In the SIC methodology, the letter or number of digits in the Code indicates the classification hierarchy level, as follows:
SIC:DivisionMajor GroupIndustry GroupIndustryBusinessProduct
Code:1 letter2 digits3 digits4 digits5 digits6 digits
Count:11835051,504— 15,219 —
SIC [1987], which superseded SIC [1977], is the standard used by the SEC. The 4-digit SIC [1987] Industry Codes that appear in a company’s disseminated EDGAR filings indicate the company’s type of business. These Industry Codes are also used in the SEC Division of Corporation Finance as a basis for assigning review responsibility for the company’s filings. (See the SEC’s Division of Corporation Finance: Standard Industrial Classification (SIC) Code List.) The SEC only uses a subset (430) of the 1,504 official 4-digit SIC [1987] Industry Codes (plus 18 unique SEC-specific Codes), so SECInfo parses the filings for all SIC Codes in order to show more accurately and completely how companies classify themselves.

The North American Industry Classification System (NAICS) is a newer North American standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. economy. The NAICS, most recently NAICS [2007], was developed under the auspices of the U.S. Office of Management and Budget (OMB) to replace SIC [1987]. It was developed jointly by the U.S., Canada and Mexico to allow for a high level of comparability in business statistics among the North American countries. It was first published as NAICS [1997], and later updated as NAICS [2002] and NAICS [2007]. In the NAICS methodology, the number of digits in the Code indicates the classification hierarchy level, as follows:
NAICS:SectorSubsectorIndustry GroupIndustryBusinessProduct
Code:2 digits3 digits4 digits5 or 6 digits
Count:2499313721+1,175=1,896— 19,720 —
The SEC does not use NAICS Codes, so SECInfo cross-references SIC [1987] with NAICS [2007] and presents both standards herein, mapping each SIC Code and NAICS Code to one or more of its counterparts.


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