| Cavalier County Memorial Hospital Association | Health Care and Social Assistance | $720,800 | $730,694 | 95 | N/A |  Research |
| Langdon Implement Company, Inc. | Wholesale Trade | $636,600 | $640,384 | 45 | $13.8M | Research |
| Maple Manor Care Center | Health Care and Social Assistance | $483,200 | $487,172 | 71 | N/A | Research |
| Dahl Trucking, L.l.c. | Transportation and Warehousing | $401,300 | $403,906 | 49 | $9.9M | Research |
| Cavalier Rural Electric Cooperative, Inc. | Utilities | $307,000 | $309,737 | 12 | N/A | Research |
| Farmers Union Oil Company of Langdon | Wholesale Trade | $289,100 | $292,046 | 26 | $6.7M | Research |
| D & B Motors, Inc. | Retail Trade | $204,000 | $205,476 | 19 | <$5M | Research |
| Mikkelsen Brothers Construction | Construction | $140,756 | $141,585 | 17 | $6.4M | Research |
| Mikkelsen Brothers Construction Company | Construction | $140,200 | $141,156 | 19 | $21.6M | Research |
| Dahl's Truck & Auto Center, in | Retail Trade | $119,300 | $120,173 | 13 | <$5M | Research |
| Downs INC | Transportation and Warehousing | $114,585 | $115,021 | 14 | <$5M | Research |
| Cameron D. Sillers, PC | Professional, Scientific, and Technical Services | $112,200 | $112,886 | 6 | <$5M | Research |
| Down's Inc. | Transportation and Warehousing | $105,600 | $106,195 | 12 | <$5M | Research |
| St. Alphonsus Church of Langdon | Other Services (except Public Administration) | $105,400 | $106,226 | 29 | N/A | Research |
| St. Alphonsus Church of Langdon | Other Services (except Public Administration) | $105,250 | $105,749 | 29 | N/A | Research |
| Dairy Queen Langdon | Accommodation and Food Services | $101,100 | $101,574 | 12 | <$5M | Research |
| Cameron D. Sillers PC | Professional, Scientific, and Technical Services | $99,700 | $100,173 | 4 | <$5M | Research |
| Langdon Drug INC | Retail Trade | $98,600 | $99,594 | 15 | <$5M | Research |
| Witzel Construction LLC | Construction | $91,070 | $91,866 | 11 | <$5M | Research |
| Jkat Seed Company, Inc. | Manufacturing | $91,000 | $63,886 | 8 | <$5M | Research |
| Kndk, Inc. | Information | $88,900 | $89,453 | 11 | <$5M | Research |
| Langdon Day Care Center, Inc. | Health Care and Social Assistance | $88,000 | $88,552 | 25 | N/A | Research |
| Clouse Trucking LLC | Transportation and Warehousing | $82,500 | $83,183 | 7 | <$5M | Research |
| Sporty's LLP | Unknown | $82,200 | $82,869 | 30 | N/A | Research |
| Christie Motors, INC | Retail Trade | $79,300 | $79,758 | 8 | <$5M | Research |