| Year 2005 | Illinois | 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 | ENU1700010510 | 4,943,698 | ENUUS00010510 | 110,634,510 | ||||||
| 31-33 | NAICS 31-33 Manufacturing | ENU1700010531-33 | 688,551 | 13.9% | 1.09 | ENUUS00010531-33 | 14,191,251 | 12.8% | ||
| 311 | NAICS 311 Food manufacturing | ENU17000105311 | 77,274 | 1.6% | 1.17 | ENUUS000105311 | 1,477,124 | 1.3% | ||
| 312 | NAICS 312 Beverage and tobacco product manufacturing | ENU17000105312 | 7,414 | 0.1% | 0.86 | ENUUS000105312 | 192,569 | 0.2% | ||
| 313 | NAICS 313 Textile mills | ENU17000105313 | 1,341 | 0.0% | 0.14 | ENUUS000105313 | 216,523 | 0.2% | ||
| 314 | NAICS 314 Textile product mills | ENU17000105314 | 4,002 | 0.1% | 0.53 | ENUUS000105314 | 169,354 | 0.2% | ||
| 315 | NAICS 315 Apparel manufacturing | ENU17000105315 | 5,184 | 0.1% | 0.45 | ENUUS000105315 | 257,662 | 0.2% | ||
| 316 | NAICS 316 Leather and allied product manufacturing | ENU17000105316 | 2,004 | 0.0% | 1.15 | ENUUS000105316 | 39,126 | 0.0% | ||
| 321 | NAICS 321 Wood product manufacturing | ENU17000105321 | 9,203 | 0.2% | 0.37 | ENUUS000105321 | 559,189 | 0.5% | ||
| 322 | NAICS 322 Paper manufacturing | ENU17000105322 | 25,441 | 0.5% | 1.18 | ENUUS000105322 | 482,937 | 0.4% | ||
| 323 | NAICS 323 Printing and related support activities | ENU17000105323 | 42,666 | 0.9% | 1.48 | ENUUS000105323 | 645,191 | 0.6% | ||
| 324 | NAICS 324 Petroleum and coal products manufacturing | ENU17000105324 | 5,473 | 0.1% | 1.09 | ENUUS000105324 | 112,232 | 0.1% | ||
| 325 | NAICS 325 Chemical manufacturing | ENU17000105325 | 50,996 | 1.0% | 1.31 | ENUUS000105325 | 872,242 | 0.8% | ||
| 326 | NAICS 326 Plastics and rubber products manufacturing | ENU17000105326 | 48,324 | 1.0% | 1.35 | ENUUS000105326 | 799,875 | 0.7% | ||
| 327 | NAICS 327 Nonmetallic mineral product manufacturing | ENU17000105327 | 17,511 | 0.4% | 0.78 | ENUUS000105327 | 504,102 | 0.5% | ||
| 331 | NAICS 331 Primary metal manufacturing | ENU17000105331 | 25,371 | 0.5% | 1.22 | ENUUS000105331 | 464,859 | 0.4% | ||
| 332 | NAICS 332 Fabricated metal product manufacturing | ENU17000105332 | 108,606 | 2.2% | 1.60 | ENUUS000105332 | 1,515,744 | 1.4% | ||
| 333 | NAICS 333 Machinery manufacturing | ENU17000105333 | 90,585 | 1.8% | 1.75 | ENUUS000105333 | 1,157,821 | 1.0% | ||
| 334 | NAICS 334 Computer and electronic product manufacturing | ENU17000105334 | 43,547 | 0.9% | 0.75 | ENUUS000105334 | 1,308,039 | 1.2% | ||
| 335 | NAICS 335 Electrical equipment and appliance mfg. | ENU17000105335 | 29,017 | 0.6% | 1.50 | ENUUS000105335 | 433,733 | 0.4% | ||
| 336 | NAICS 336 Transportation equipment manufacturing | ENU17000105336 | 45,082 | 0.9% | 0.57 | ENUUS000105336 | 1,770,005 | 1.6% | ||
| 337 | NAICS 337 Furniture and related product manufacturing | ENU17000105337 | 18,021 | 0.4% | 0.71 | ENUUS000105337 | 565,031 | 0.5% | ||
| 339 | NAICS 339 Miscellaneous manufacturing | ENU17000105339 | 31,489 | 0.6% | 1.09 | ENUUS000105339 | 647,891 | 0.6% | ||
| Median | NAICS 322 Paper manufacturing | 25,441 | ||||||||
| Source: http://www.bls.gov/cew/ | ||||||||||