U.S. - Security systems 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
		Total	20 +	100 +	500 +	Total	20 +	100 +	500 +
	2008	9,281	8.8%	1.6%	0.5%	121,609	70.6%	49.9%	35.8%
	2007	9,188	8.6%	1.5%	0.4%	119,644	70.6%	50.3%	37.4%
	2006	8,953	9.1%	1.5%	0.5%	122,379	72.4%	51.6%	40.3%
	2005	8,921	8.7%	1.4%	0.4%	115,745	71.2%	50.6%	40.1%
	2004	8,732	9.0%	1.5%	0.4%	118,152	72.1%	51.4%	39.8%
	2003	8,568	9.5%	1.7%	0.4%	110,145	70.6%	48.3%	34.0%
	2002	8,331	8.9%	1.7%	0.6%	128,587	75.9%	58.5%	47.8%
	2001	8,014	9.4%	1.8%	0.7%	147,990	80.2%	64.5%	55.6%
	2000	7,741	8.9%	1.8%	0.7%	141,054	79.8%	65.4%	57.2%
	1999	7,661	8.5%	1.7%	0.7%	135,568	79.3%	65.0%	57.0%
	1998	7,539	8.3%	1.6%	0.7%	128,695	78.9%	65.0%	57.5%