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Statistics of U.S. Businesses: 2008:
NAICS 54 - Professional, scientific, and technical services
Illinois

By industry
 
Illinois - Professional, scientific, and 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 36,814 38,988 375,470 27,246,891
Firms with 1 to 4 employees (or with no employees as of Mar 12) 26,708 26,726 37,441 2,421,538
Firms with 5 to 9 employees 4,444 4,466 28,733 1,495,707
Firms with 10 to 19 employees 2,530 2,585 33,467 1,948,781
Firms with 20 to 99 employees 1,988 2,323 65,671 4,508,378
Firms with 100 to 499 employees 579 791 51,272 3,967,521
Firms with 500 employees or more 565 2,097 158,886 12,904,966

 
 
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, and 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, and technical services 36,814 8.5% 3.1% 1.5% 375,470 73.5% 56.0% 42.3%
541 Professional, scientific, and technical services 36,814 8.5% 3.1% 1.5% 375,470 73.5% 56.0% 42.3%

All-sector table By industry

Source:
Statistics of U.S. Businesses Questions?