U.S. Census Bureau home page
Statistics of U.S. Businesses: 2001:
Professional, Scientific, & Technical Services
Illinois
By detailed employment size By year By industry
 
Illinois - Professional, Scientific, & Technical Services 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 34,053 35,518 353,262 20,607,684
Firms with no employees (as of March 12) 5,486 5,488 0 429,063
Firms with 1 to 4 employees 18,567 18,584 34,799 1,491,787
Firms with 5 to 9 employees 4,475 4,513 29,197 1,233,669
Firms with 10 to 19 employees 2,574 2,629 34,043 1,666,664
Firms with 20 to 99 employees 1,897 2,109 64,988 3,448,559
Firms with 100 to 499 employees 545 705 49,526 3,041,080
Firms with 500 employees or more 509 1,490 140,709 9,296,862
    Firms with 500 to 999 employees 141 212 17,105 1,268,380
    Firms with 1,000 to 1,499 employees 81 114 13,971 974,126
    Firms with 1,500 to 2,499 employees 64 102 16,180 1,053,052
    Firms with 2,500 employees or more 223 1,062 93,453 6,001,304
D = Withheld to avoid disclosure

 

 

Illinois - Professional, scientific, and technical services - 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 2008 detail 2008 36,814 8.5% 3.1% 1.5% 375,470 73.5% 56.0% 42.3%
link to 2007 detail 2007 37,624 8.6% 3.2% 1.6% 394,692 74.1% 57.1% 44.2%
link to 2006 detail 2006 37,145 8.4% 3.1% 1.5% 376,748 73.2% 55.2% 41.5%
link to 2005 detail 2005 36,609 8.2% 3.0% 1.5% 350,082 72.1% 54.1% 40.2%
link to 2004 detail 2004 35,931 8.5% 3.1% 1.5% 343,894 71.3% 52.8% 38.9%
link to 2003 detail 2003 35,078 8.6% 3.1% 1.5% 353,625 72.6% 54.8% 41.4%
link to 2002 detail 2002 34,831 8.6% 3.1% 1.5% 334,517 70.7% 52.2% 38.2%
link to 2001 detail 2001 34,053 8.7% 3.1% 1.5% 353,262 72.2% 53.9% 39.8%
link to 2000 detail 2000 33,743 8.6% 3.1% 1.5% 355,199 72.9% 55.0% 41.3%
link to 1999 detail 1999 33,442 8.5% 3.0% 1.5% 337,445 72.0% 53.9% 40.8%
link to 1998 detail 1998 32,797 8.4% 2.9% 1.4% 311,755 70.5% 51.6% 38.1%

 

 

Illinois - Professional, Scientific, & Technical Services by Subsector
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.
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 +
54 Professional, Scientific, & Technical Services 34,053 8.7% 3.1% 1.5% 353,262 72.2% 53.9% 39.8%
541 Professional, scientific, & technical services 34,053 8.7% 3.1% 1.5% 353,262 72.2% 53.9% 39.8%
D = Withheld to avoid disclosure

All-sector table By detailed employment size By year By industry Data in formats for downloading

Source: Statistics of U.S. Businesses

Last modified: July 13 2011   Questions?