U.S. Census Bureau

Statistics of U.S. Businesses: 2006:
All industries
Illinois

By detailed employment size By year By industry
 
Illinois - All industries - by Employment Size of Enterprise
Introductory text includes scope and methodology. Table includes only establishments with payroll. Nonemployers are shown separately. For descriptions of column headings and rows (industries), click on the appropriate underlined element in the table.
Employment size of enterprise Firms Estab-
lish-
ments		 Paid
employees		 Annual
payroll
($1,000)
All firms 262,870 321,356 5,357,466 231,106,738
Firms with 0 to 4 employees (as of March 12) 156,333 156,601 247,366 10,428,968
Firms with 5 to 9 employees 43,762 44,235 286,772 9,578,464
Firms with 10 to 19 employees 27,475 28,631 365,493 13,170,513
Firms with 20 to 99 employees 24,802 30,109 940,012 36,163,554
Firms with 100 to 499 employees 6,183 14,754 798,516 32,573,894
Firms with 500 employees or more 4,315 47,026 2,719,307 129,191,345

 
 
Illinois - All industries - by Year
Introductory text includes scope and methodology. Table includes only establishments with payroll. Nonemployers are shown separately. For descriptions of column headings and rows (industries), click on the appropriate underlined element in the table.
More
data		 Year Firms by employment size of enterprise Paid employees by employment size of enterprise
Total20 + 100 +500 + Total20 + 100 +500 +
link to 2006 detail 2006 262,870 13.4% 4.0% 1.6% 5,357,466 83.2% 65.7% 50.8%
link to 2005 detail 2005 262,326 13.2% 3.9% 1.6% 5,235,866 82.9% 65.3% 50.4%
link to 2004 detail 2004 259,734 13.7% 4.0% 1.6% 5,217,160 82.7% 64.5% 49.3%
link to 2003 detail 2003 255,813 13.8% 4.0% 1.6% 5,205,457 82.9% 64.8% 49.8%
link to 2002 detail 2002 253,720 13.9% 4.1% 1.7% 5,224,293 83.1% 65.4% 50.7%
link to 2001 detail 2001 252,908 14.2% 4.2% 1.8% 5,447,349 83.7% 66.1% 51.3%
link to 2000 detail 2000 254,071 14.2% 4.2% 1.8% 5,501,036 83.7% 66.3% 51.6%
link to 1999 detail 1999 253,550 14.0% 4.2% 1.7% 5,342,675 83.3% 65.8% 51.3%
link to 1998 detail 1998 252,757 13.9% 4.1% 1.7% 5,221,782 83.0% 65.3% 50.7%
  1997 251,387 13.8% 4.1% 1.7% 5,089,899 82.6% 64.6% 49.7%
  1996 248,983 13.5% 3.9% 1.6% 4,978,031 82.2% 64.2% 49.4%
  1995 245,837 13.7% 4.0% 1.6% 4,950,185 82.3% 64.2% 49.0%
  1994 241,695 13.5% 4.0% 1.6% 4,801,759 82.0% 64.1% 49.1%
  1993 238,362 13.6% 3.9% 1.6% 4,696,332 81.7% 63.5% 48.3%
  1992 234,317 13.7% 3.9% 1.6% 4,652,083 81.7% 63.5% 48.8%
  1991 231,533 13.7% 3.9% 1.6% 4,634,844 81.7% 63.2% 48.4%

 
 
Illinois - All industries - by Sector
Introductory text includes scope and methodology. Table includes only establishments with payroll. Nonemployers are shown separately. For descriptions of column headings and rows (industries), click on the appropriate underlined element in the table.
D = Withheld to avoid disclosure
More
data		 NAICS
code		 Industry title
(with link to definition) 		Firms by employment size of enterprise Paid employees by employment size of enterprise
Total20 + 100 +500 + Total20 + 100 +500 +
link to industry detail -- All industries 262,870 13.4% 4.0% 1.6% 5,357,466 83.2% 65.7% 50.8%
link to industry detail 11 Agriculture, Forestry, Fishing and Hunting 305 5.6% 3.0% 1.3% 1,606 D 41.8% 24.5%
link to industry detail 21 Mining 492 19.9% 8.5% 5.5% 10,164 83.5% 65.6% 54.7%
link to industry detail 22 Utilities 192 34.9% 16.7% 13.5% 26,039 98.1% 93.0% 89.9%
link to industry detail 23 Construction 32,446 7.8% 1.2% 0.4% 261,871 60.0% 29.5% 12.0%
link to industry detail 31-33 Manufacturing 14,585 33.5% 12.4% 5.3% 666,711 91.5% 72.5% 50.4%
link to industry detail 42 Wholesale trade 17,101 22.5% 9.9% 5.0% 315,469 82.0% 59.8% 42.8%
link to industry detail 44-45 Retail Trade 27,820 13.3% 4.1% 2.0% 652,262 83.8% 69.1% 60.4%
link to industry detail 48-49 Transportation and Warehousing 9,829 15.4% 7.5% 4.2% 224,871 88.5% 77.1% 65.6%
link to industry detail 51 Information 3,253 24.6% 13.8% 8.5% 129,050 92.7% 83.5% 72.8%
link to industry detail 52 Finance & insurance 14,119 13.5% 6.0% 3.3% 352,619 88.4% 77.4% 65.9%
link to industry detail 53 Real estate & rental & leasing 11,344 7.4% 3.0% 1.6% 87,547 67.1% 47.9% 32.9%
link to industry detail 54 Professional, scientific, & technical services 37,145 8.4% 3.1% 1.5% 376,748 73.2% 55.2% 41.5%
link to industry detail 55 Management of companies & enterprises 1,440 86.3% 70.1% 44.3% 159,020 99.7% 97.8% 90.2%
link to industry detail 56 Administrative & support & waste management & remediation service 14,079 16.3% 7.2% 3.6% 460,768 91.3% 80.3% 63.2%
link to industry detail 61 Educational services 3,065 27.4% 7.7% 3.3% 139,744 92.7% 74.3% 61.2%
link to industry detail 62 Health care & social assistance 24,367 14.3% 4.6% 1.3% 702,964 85.8% 72.4% 53.1%
link to industry detail 71 Arts, entertainment, & recreation 4,356 16.4% 3.6% 1.5% 71,872 80.5% 49.5% 28.7%
link to industry detail 72 Accommodation & food services 20,306 21.0% 3.3% 1.3% 457,399 80.9% 51.0% 38.2%
link to industry detail 81 Other services (except public administration) 29,602 8.5% 1.6% 0.7% 260,050 55.8% 29.0% 17.7%
link to industry detail 99 Unclassified 633 0.3%0.0 0.0 692 D 0.0 0.0

By detailed employment size By year By industry Data in formats for downloading

Source: Statistics of U.S. Businesses Questions?