| Mid-Columbia Economic Development District OR | Public Administration | 0 | — | A |
| Mid-Continent Group, LLC OK | Construction | 0 | — | F |
| Mid-Continent Instruments and Avionics KS | Manufacturing | 1 | $108,500 | — |
| Mid-Continent Steel & Wire MO | Manufacturing | 0 | — | F |
| Mid-Continental Restoration Co., Inc. KS | Construction | 0 | — | A |
| Mid-Continental Restoration Co., Inc. Fort Worth Texas TX | Construction | 0 | — | A |
| Mid-Continental Restoration Co., Inc. Masonry OK | Construction | 0 | — | A |
| Mid-Continental Restoration Co., Inc. South Dakota SD | Construction | 0 | — | A |
| Mid-Continental Restoration Corporate KS | Construction | 0 | — | A |
| Mid-Continential Companies, Inc. IL | Retail Trade | 0 | — | C |
| Mid-County Fabricating Inc. MN | Manufacturing | 0 | — | A |
| Mid-County Joint Ambulance Districct OH | Healthcare & Social Assistance | 0 | — | F |
| Mid-Dakota Rural Water System SD | Utilities | 0 | — | A |
| Mid-East Truck & Tractor Service, Inc. OH | Transportation & Warehousing | 0 | — | B |
| Mid-Florida Hospital Specialists, P.A. FL | Healthcare & Social Assistance | 1 | $200,000 | — |
| Mid-Illinois Companies, Corp. IL | Construction | 0 | — | A |
| Mid-Illinois Concrete, Inc IL | Manufacturing | 0 | — | F |
| Mid-Kansas Investment, Inc KS | — | 0 | — | — |
| Mid-land Enterprises MO | Construction | 0 | — | F |
| Mid-Michigan Recycling MI | Agriculture & Forestry | 0 | — | A |
| Mid-Nebraska Disposal, Inc. NE | Administrative & Waste Services | 0 | — | F |
| Mid-Nebraska Individual Services NE | Healthcare & Social Assistance | 0 | — | F |
| mid-nebraska lutheran home NE | Healthcare & Social Assistance | 0 | — | F |
| Mid-Ohio Development Corporation OH | Real Estate | 0 | — | F |
| Mid-Ohio Energy Cooperative Inc. OH | Utilities | 0 | — | F |
| Mid-Ohio Food Collective OH | Healthcare & Social Assistance | 0 | — | B |
| Mid-Ohio Mechanical,Inc. OH | Construction | 0 | — | A |
| Mid-Ohio Pipeline Company OH | Construction | 0 | — | B |
| Mid-Ohio Pipeline Services OH | Construction | 0 | — | A |
| Mid-Ohio Products, Inc. OH | Manufacturing | 0 | — | A |
| Mid-Ohio Water Management, LLC OH | Construction | 0 | — | A |
| Mid-Pacific Liquor Distributing Corporation GU | Wholesale Trade | 2 | $67,153 | — |
| Mid-Park Inc. KY | Manufacturing | 0 | — | C |
| Mid-Placer Public Schools Transportation Agency CA | Transportation & Warehousing | 0 | — | F |
| Mid-Plains Insulation Co. Inc. NE | Construction | 0 | — | A |
| Mid-Plains Power NE | — | 0 | — | — |
| Mid-Prairie Community School District IA | Educational Services | 0 | — | D |
| Mid-River Terminal AR | Transportation & Warehousing | 0 | — | A |
| Mid-Rivers Telephone Cooperative, Inc. MT | Information & Media | 0 | — | D |
| MID-SOUTH ELECTRONICS, INC. AL | — | 0 | — | — |
| Mid-South Fire Solutions, LLC LA | Construction | 0 | — | A |
| Mid-South Infectious Disease Associates, PLLC TN | Healthcare & Social Assistance | 1 | $275,000 | — |
| Mid-South Interior & Exterior, Inc. GA | Construction | 0 | — | A |
| Mid-South Lumber Co. of NW FL Inc. FL | Retail Trade | 0 | — | A |
| Mid-South Maintenance, Inc. TN | Construction | 0 | — | F |
| Mid-South Metal Products Inc AZ AZ | Manufacturing | 0 | — | F |
| Mid-South Metal Products Inc ID ID | Manufacturing | 0 | — | A |
| Mid-South Metal Products Inc IN IN | Manufacturing | 0 | — | A |
| Mid-South Metal Products Inc TN TN | Manufacturing | 0 | — | A |
| Mid-South Metallurgical TN | Manufacturing | 0 | — | A |
