| The Retzer Group INC | Accommodation and Food Services | $5,719,790 | $5,787,017 | 500 | $88.8M |  Research |
| Retzer Resources, Inc. | Accommodation and Food Services | $4,490,722 | $4,543,134 | 500 | $88.8M | Research |
| Century2 LLC | Real Estate and Rental and Leasing | $2,778,178 | $2,810,146 | 500 | $72.5M | Research |
| Farmers Grain Terminal Inc. | Wholesale Trade | $1,684,512 | $1,690,696 | 123 | $37.7M | Research |
| Farmers Grain Terminal Inc. | Wholesale Trade | $1,635,200 | $1,645,997 | 123 | $37.7M | Research |
| Retzer LLC | Accommodation and Food Services | $1,279,833 | $1,292,105 | 500 | $88.8M | Research |
| Greenville Metal Works, Inc. | Construction | $1,179,500 | $1,185,252 | 78 | $13.4M | Research |
| Greenville Metal Works, Inc. | Wholesale Trade | $1,179,500 | $1,186,674 | 90 | $27.6M | Research |
| Prime Care Nursing INC | Professional, Scientific, and Technical Services | $1,050,700 | $1,064,661 | 10 | <$5M | Research |
| Allegiance Specialty Hospital of Greenville, LLC | Health Care and Social Assistance | $861,372 | $876,853 | 155 | $30.8M | Research |
| Washington County Ltc, Inc. | Professional, Scientific, and Technical Services | $859,005 | $868,931 | 118 | $12.2M | Research |
| Greenville Clinic, P.a. | Health Care and Social Assistance | $712,900 | $719,482 | 60 | $18.8M | Research |
| Crossley Axminster, Inc. | Wholesale Trade | $697,400 | $705,406 | 24 | $7.4M | Research |
| A & a Home Health Equipment INC | Retail Trade | $595,100 | $600,219 | 71 | $12.4M | Research |
| Lipscomb Oil Company, Inc. | Wholesale Trade | $546,200 | $549,924 | 129 | $33.2M | Research |
| South Delta Planning & Development District Inc. | Public Administration | $542,000 | $544,970 | 53 | N/A | Research |
| Lipscomb Oil Co. Inc. | Retail Trade | $534,188 | $536,866 | 122 | $30.5M | Research |
| Mcright Services LLC | Agriculture, Forestry, Fishing and Hunting | $491,498 | $493,719 | 34 | <$5M | Research |
| Washington County Day School Association, INC | Educational Services | $490,900 | $493,603 | 72 | $8.6M | Research |
| Mcright Services, LLC | Manufacturing | $486,900 | $489,581 | 33 | $32.7M | Research |
| Delta Implement Company, INC | Wholesale Trade | $470,500 | $473,375 | 27 | $8.3M | Research |
| Nichols Propeller Company | Manufacturing | $470,355 | $474,079 | 33 | $8.1M | Research |
| Nichols Propeller Company | Manufacturing | $470,300 | $473,096 | 39 | $9.5M | Research |
| Linen Service, Inc. | Other Services (except Public Administration) | $446,198 | $451,317 | 76 | $14.5M | Research |
| Janitors Supply and Paper Co. Inc. | Administrative and Support and Waste Management | $424,000 | $426,277 | 31 | $6.7M | Research |