| A.M. Castle & Co. | CAS | Illinois | Trade: Wholesale and Retail |  |
| A.T. Cross Company | ATX | Rhode Island | Manufacturing: Consumer | |
| American Shared Hospital Services | AMS | California | Health Services, Pharmaceuticals, and Medical Diagnostics | |
| Anooraq Resources Corporation | ANO | British Columbia, Canada | Metals Mining | |
| B&G Foods, Inc. | BGF | New Jersey | Trade: Wholesale and Retail | |
| Badger Meter, Inc. | BMI | Wisconsin | Manufacturing: High Technology | |
| Ballantyne of Omaha, Inc. | BTN | Nebraska | Other | |
| Bio-Rad Laboratories, Inc. | BIO and BIO.B | California | Health Services, Pharmaceuticals, and Medical Diagnostics | |
| Blair Corporation | BL | Pennsylvania | Trade: Wholesale and Retail | |
| Canterbury Park Holding Corporation | ECP | Minnesota | Other | |
| Collegiate Pacific, Inc. | BOO | Texas | Trade: Wholesale and Retail | |
| Communications Systems, Inc. | JCS | Minnesota | Manufacturing: High Technology | |
| Contango Oil & Gas Company | MCF | Texas | Oil & Gas Extraction, Production, Products, and Services | |
| CPI Aero, Inc. | CVU | New York | Manufacturing: Industrial; Chemical | |
| Cubic Corporation | CUB | California | Manufacturing: High Technology | |
| Delta Apparel, Inc. | DLA | Georgia | Manufacturing: Consumer | |
| Ecology and Environment, Inc. | EEI | New York | Environmental Technology | |
| ENGlobal Corporation | ENG | Texas | Construction and Contracting | |
| Franklin Street Properties Corp | FSP | Massachussetts | Real Estate Management & REITs | |
| Great Basin Gold Limited's | GBN | British Columbia, Canada | Metals Mining | |
| Grey Wolf, Inc | GW | Texas | Oil & Gas Extraction, Production, Products, and Services | |
| Hector Communications Corporation | HCT | Minnesota | Telephone | |
| LaBarge, Inc. | LB | Missouri | Manufacturing: High Technology | |
| Metropolitan Health Networks | MDF | Florida | Health Services, Pharmaceuticals, and Medical Diagnostics | |
| Michael Baker Corp. | BKR | Pennsylvania | Other Services | |
| Natural Gas Services Group, Inc. | NGS | Texas | Oil & Gas Extraction, Production, Products, and Services | |
| NBC Capital Corporation | NBY | Mississippi | Banks/Financial Services | |
| Northern Dynasty Minerals Limited | NAK | British Columbia, Canada | Metals Mining | |
| NTS Realty Holdings Limited Partnership | NLP | Kentucky | Real Estate Management & REITs | |
| Otelco Inc. | OTT | Alabama | Telephone | |
| PainCare Holdings, Inc. | PRZ | Florida | Health Services, Pharmaceuticals, and Medical Diagnostics | |
| Pioneer Drilling Company | PDC | Texas | Oil & Gas Extraction, Production, Products, and Services | |
| PS Business Parks, Inc. | PSB | California | Real Estate Management & REITs | |
| RAE Systems, Inc. | RAE | California | Manufacturing: High Technology | |
| Taseko Mines Limited's | TGB | British Columbia, Canada | Metals Mining | |
| Telephone and Data Systems, Inc. | TDS | Illinois | Telephone | |
| The Gorman-Rupp Company | GRC | Ohio | Manufacturing: Industrial; Chemical | |
| Tompkins Trustco, Inc. | TMP | New York | Banks/Financial Services | |
| United States Cellular Corporation | USM | Illinois | Telephone | |
| UTEK Corporation | UTK | Florida | Banks/Financial Services | |
