| Name | Address, Zip |
| St Alphonsus School Foundation | 908 3rd St, 58249-2413 |
| Howard And Lois Crummy Educational Trust | 908 3rd St, 58249-2413 |
| Cavalier County Search And Rescue | Po Box 335, 58249-0335 |
| Langdon Area Senior Citizens Inc | 211 8th Ave, 58249-2637 |
| Langdon Area Hockey Boosters | Po Box 416, 58249-0416 |
| Langdon Area Baseball Inc | 10339 Highway 5, 58249-9010 |
| Northern Lights Arts Council Inc | 714 3rd St, 58249-2624 |
| Prairie Winds & Pioneer Power Assoc | 10349 Highway 5, 58249-9010 |
| Little Star Theater Association Milton Nd | 1324 9th St, 58249-2126 |
| Cavalier County Memorial Hospital Association | 909 2nd St, 58249-2407 |
| Cavalier County Cancer Crusaders Inc | 10123 95th St Ne, 58249-9021 |
| Maple Manor Care Center | 1116 9th Ave, 58249-1904 |
| Langdon Day Care Center Inc | 1215 7th St, 58249-2104 |
| Our Lady Of Mount Carmel Church Of Mount Carmel | Po Box 640, 58249-0640 |
| Cavalier County Memorial Hospital Foundation | 909 2nd St, 58249-2407 |
| Cavalier County Senior Meals & Services | 211 8th Ave, 58249-2637 |
| Cavalier County Emergency Food Pantry Inc | Po Box 630, 58249-0630 |
| Danketsu Shotokan Karate Club | 1211 5th St, 58249-2216 |
| Tops Club Inc | 9451 107th Ave Ne, 58249-9102 |
| Langdon Curling Club | 11681 99th St Ne, 58249-8938 |
| Preservation North Dakota | 923 17th Ave, 58249-1550 |
| Langdon Fire Department | Po Box 336, 58249-0336 |
| Wales Fire Department | 118 15th Ave, 58249-2237 |
| Langdon School District Foundation | 715 14th Ave, 58249-2147 |
| United Telephone Educational Foundation Inc | Po Box 729, 58249-0729 |
| Memorial Preservation Society Incorporated | 813 9th Ave, 58249-2328 |
| Run Langdon | 1309 10th St, 58249-2131 |
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