| Bluefield College | Educational Services | $1,767,200 | $1,780,650 | 302 | N/A | Research |
| Raw Coal Mining Company INC | Mining, Quarrying, and Oil and Gas Extraction | $1,255,480 | $1,269,151 | 69 | <$5M | Research |
| Raw Coal Mining Company Inc. | Mining, Quarrying, and Oil and Gas Extraction | $1,215,705 | $1,227,322 | 69 | <$5M | Research |
| Marshall Miller and Associates Inc. | Professional, Scientific, and Technical Services | $896,320 | $901,300 | 40 | <$5M | Research |
| Marshall Miller and Associates, Inc. | Professional, Scientific, and Technical Services | $896,300 | $904,865 | 48 | $5.9M | Research |
| Pemco Corporation | Manufacturing | $742,200 | $747,507 | 76 | $19.9M | Research |
| Charlatte of America, Inc. | Manufacturing | $721,267 | $568,775 | 62 | $16.2M | Research |
| Peters Equipment Company LLC | Manufacturing | $616,800 | $619,216 | 47 | $11.5M | Research |
| Peters Equipment Company LLC | Real Estate and Rental and Leasing | $616,800 | $622,677 | 47 | $21.2M | Research |
| Lawrence Brothers Incorporated | Manufacturing | $524,910 | $526,980 | 80 | $19.6M | Research |
| Stephanie Nichols Dmd Pllc | Health Care and Social Assistance | $493,350 | $496,729 | 33 | $7.6M | Research |
| Lawrence Brothers INC | Manufacturing | $390,848 | $403,884 | 57 | $13.9M | Research |
| Kwik Kafe Vending Company Inc. | Retail Trade | $371,500 | $373,749 | 53 | $13.0M | Research |
| Kwik Kafe Vending Company, Inc. | Retail Trade | $371,400 | $373,196 | 53 | $13.0M | Research |
| Tramline INC | Wholesale Trade | $324,114 | $327,139 | 19 | $5.8M | Research |
| Tramline Inc. | Wholesale Trade | $316,197 | $319,218 | 19 | $5.8M | Research |
| Skyway Strip Inc. | Mining, Quarrying, and Oil and Gas Extraction | $297,777 | $300,622 | 15 | <$5M | Research |
| Superior Processing Inc. | Mining, Quarrying, and Oil and Gas Extraction | $295,130 | $297,950 | 19 | <$5M | Research |
| Sally Ann Coal Company Inc. | Mining, Quarrying, and Oil and Gas Extraction | $293,895 | $296,703 | 14 | <$5M | Research |
| Bluefield Manufacturing, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $284,874 | $286,718 | 21 | <$5M | Research |
| Baystar Coal Company INC | Wholesale Trade | $274,355 | $276,474 | 15 | <$5M | Research |
| Baystar Coal Company Inc. | Wholesale Trade | $263,830 | $266,351 | 15 | <$5M | Research |
| Ramsey Industrial Company | Wholesale Trade | $248,200 | $250,261 | 15 | <$5M | Research |
| Limestone Dust Corporation | Manufacturing | $185,752 | $186,877 | 28 | $27.8M | Research |
| Mitchem Enterprises Inc. | Retail Trade | $178,700 | $157,699 | 34 | $8.5M | Research |