| SIC CODE | DESIGNATION | NUMBER OF FIRMS | NUMBER OF EMPLOYEES | 2009 PERCENT | 2008 PERCENT | 2007 PERCENT |
| 20 | Food and Kindred products | 2 | 660 | 7.5 | 8.3 | 6.1 |
| 21 | Tobacco Products | 0 | 0 | 0.0 | 0.0 | 0.0 |
| 22 | Textile Mill Products | 3 | 486 | 5.5 | 5.2 | 5.1 |
| 23 | Apparel and Other Textile Products | 2 | 331 | 3.8 | 4.0 | 4.3 |
| 24 | Lumber and Wood Products | 5 | 546 | 6.2 | 5.3 | 6.1 |
| 25 | Furniture and Fixtures | 1 | 3 | 0.0 | 0.1 | 0.1 |
| 26 | Paper and Allied Products | 1 | 141 | 1.6 | 1.5 | 1.4 |
| 27 | Commerical Printing | 1 | 250 | 2.8 | 3.2 | 3.4 |
| 28 | Chemicals and Allied Products | 10 | 438 | 5.0 | 3.0 | 3.0 |
| 29 | Petroleum and Coal Products | 0 | 0 | 0.0 | 0.0 | 0.0 |
| 30 | Rubber and Plastic Products | 10 | 2608 | 29.7 | 31.7 | 32.4 |
| 31 | Leather and Leather Products | 0 | 0 | 0.0 | 0.0 | 0.0 |
| 32 | Stone, Clay, and Glass Products | 4 | 299 | 3.4 | 3.5 | 3.6 |
| 33 | Primary Metal Industries | 4 | 109 | 1.2 | 1.9 | 2.6 |
| 34 | Fabricated Metal Products | 10 | 757 | 8.6 | 9.3 | 8.6 |
| 35 | Machinery (Except Electrical) | 2 | 315 | 3.6 | 3.7 | 3.8 |
| 36 | Electric and Electronic Equipment | 0 | 0 | 0.0 | 0.0 | 0.0 |
| 37 | Transportation Equipment | 4 | 161 | 1.8 | 1.9 | 2.0 |
| 38 | Instruments and Related Products | 0 | 0 | 0.0 | 0.0 | 0.0 |
| 39 | Signs and Advertising Specialities | 0 | 0 | 0.0 | 0.0 | 0.0 |
| 50 | Recycling | 1 | 50 | 0.6 | 0.7 | 0.1 |
| 90 | Warehousing, Distribution, & Research | 7 | 1618 | 18.4 | 16.6 | 17.4 |
| TOTAL | 67 | 8772 | 100.0 | 100.0 | 100.0 |
