U.S. - Metal heat treating - 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	675	44.1%	11.3%	3.9%	24,051	86.9%	51.4%	30.3%
	2007	595	43.4%	12.3%	4.0%	21,295	87.5%	54.4%	29.9%
	2006	607	43.7%	11.9%	4.4%	21,209	86.8%	52.2%	26.6%
	2005	616	43.3%	11.4%	3.9%	21,378	87.0%	52.7%	27.9%
	2004	627	40.8%	11.0%	4.0%	19,637	85.2%	50.0%	22.7%
	2003	639	40.4%	11.1%	4.1%	20,645	85.4%	52.8%	26.7%
	2002	591	39.1%	10.3%	3.6%	19,796	86.1%	52.8%	27.2%
	2001	593	43.2%	11.5%	5.1%	20,966	87.2%	51.7%	27.0%
	2000	607	45.3%	11.9%	5.3%	22,251	88.2%	51.2%	27.4%
	1999	628	47.3%	12.6%	5.7%	23,158	89.1%	52.1%	29.0%
	1998	651	46.9%	13.7%	5.2%	23,645	88.3%	52.1%	22.8%