EC0731SR12
EC0731SR2: Manufacturing: Subject Series: Concentration Ratios: Share of Value of Shipments Accounted for by the 4, 8, 20, and 50 Largest Companies for Industries: 2007

Data based on the 2007 Economic Census. For information on
confidentiality protection, sampling error, nonsampling error, and
definitions, see
Survey
Methodology [pdf]. Data in this file represent those available
when this file was created; data may not be available for all NAICS
industries or geographies. Data in this table may be subject to
employment- and/or sales-size minimums that vary by industry.



X	Not applicable

D	Withheld to avoid disclosing data for individual companies; data are included in higher level totals

UNIVERSE DESCRIPTION
The universe is all manufacturing establishments classified in
sectors 31-33 with one or more paid employees at any time during
the year.
DATA ITEMS
This file contains data on:

  Companies
  Total value of shipments ($1,000)
  Total value of shipments (%)
  Herfindahl-Hirschman index

GEOGRAPHIC COVERAGE
Data are shown at the U.S. level.
INDUSTRY DETAIL
Data are shown at the three- through six-digit North American
Industry Classification System (NAICS) level.
OTHER VARIABLES IDENTIFYING RECORDS
Data are also identified by company size.
RELEASE SCHEDULE
Data are scheduled for release in May 2011.
RELATED DATA FILES
None.
DATA LIMITATIONS
Data have no special limitations.
FILE SEQUENCE
Data are presented in ascending NAICS code sequence.
ESTIMATED FILE SIZE
Approximately 230 KB




