Year 2005		Iowa					US
NAICS	Industry	BLS code/identifier	Payroll Employees	Share of Total Industries	Concentration Index		BLS code/identifier	Payroll Employees	Share of Total Industries
	Total, all industries	ENU1900010510	1,218,468				ENUUS00010510	110,634,510
31-33	NAICS 31-33 Manufacturing	ENU1900010531-33	229,093	18.8%	1.5		ENUUS00010531-33	14,191,251	12.8%
311	NAICS 311 Food manufacturing	ENU19000105311	49,907	4.1%	3.1		ENUUS000105311	1,477,124	1.3%
312	NAICS 312 Beverage and tobacco product manufacturing	ENU19000105312	1,273	0.1%	0.6		ENUUS000105312	192,569	0.2%
313	NAICS 313 Textile mills	ENU19000105313	151	0.0%	0.1		ENUUS000105313	216,523	0.2%
314	NAICS 314 Textile product mills	ENU19000105314	736	0.1%	0.4		ENUUS000105314	169,354	0.2%
315	NAICS 315 Apparel manufacturing	ENU19000105315	1,817	0.1%	0.6		ENUUS000105315	257,662	0.2%
316	NAICS 316 Leather and allied product manufacturing	ENU19000105316	470	0.0%	1.1		ENUUS000105316	39,126	0.0%
321	NAICS 321 Wood product manufacturing	ENU19000105321	12,429	1.0%	2.0		ENUUS000105321	559,189	0.5%
322	NAICS 322 Paper manufacturing	ENU19000105322	4,513	0.4%	0.8		ENUUS000105322	482,937	0.4%
323	NAICS 323 Printing and related support activities	ENU19000105323	8,446	0.7%	1.2		ENUUS000105323	645,191	0.6%
324	NAICS 324 Petroleum and coal products manufacturing	ENU19000105324	327	0.0%	0.3		ENUUS000105324	112,232	0.1%
325	NAICS 325 Chemical manufacturing	ENU19000105325	7,124	0.6%	0.7		ENUUS000105325	872,242	0.8%
326	NAICS 326 Plastics and rubber products manufacturing	ENU19000105326	13,345	1.1%	1.5		ENUUS000105326	799,875	0.7%
327	NAICS 327 Nonmetallic mineral product manufacturing	ENU19000105327	6,388	0.5%	1.2		ENUUS000105327	504,102	0.5%
331	NAICS 331 Primary metal manufacturing	ENU19000105331	8,275	0.7%	1.6		ENUUS000105331	464,859	0.4%
332	NAICS 332 Fabricated metal product manufacturing	ENU19000105332	20,361	1.7%	1.2		ENUUS000105332	1,515,744	1.4%
333	NAICS 333 Machinery manufacturing	ENU19000105333	35,500	2.9%	2.8		ENUUS000105333	1,157,821	1.0%
334	NAICS 334 Computer and electronic product manufacturing	ENU19000105334	12,457	1.0%	0.9		ENUUS000105334	1,308,039	1.2%
335	NAICS 335 Electrical equipment and appliance mfg.	ENU19000105335	10,046	0.8%	2.1		ENUUS000105335	433,733	0.4%
336	NAICS 336 Transportation equipment manufacturing	ENU19000105336	20,272	1.7%	1.0		ENUUS000105336	1,770,005	1.6%
337	NAICS 337 Furniture and related product manufacturing	ENU19000105337	9,880	0.8%	1.6		ENUUS000105337	565,031	0.5%
339	NAICS 339 Miscellaneous manufacturing	ENU19000105339	5,378	0.4%	0.8		ENUUS000105339	647,891	0.6%
Median	NAICS 331 Primary metal manufacturing		8,275
Source: http://www.bls.gov/cew/