| Name | Annual Revenue | Annual Expenses |
|---|---|---|
| CRAZY HORSE MEMORIAL FOUNDATION | $20,566,367 | $6,267,744 |
| CUSTER AMBULANCE SERVICE INC | $639,273 | $587,997 |
| CUSTER COUNTY CHAMBER OF COMMERCE | $374,213 | $326,584 |
| WOMEN ESCAPING A VIOLENT ENVIRONMENT | $237,916 | $235,581 |
| CUSTER COMMUNITY HEALTH SERVICES | $207,120 | $226,729 |
| CUSTER VOLUNTEER FIRE DEPARTMENT | $273,437 | $218,385 |
| BLENDABLE EDUCATIONAL BENEFIT AND PUBLIC SAFETY FO | $14,355 | $87,218 |
| CUSTER COUNTY HISTORICAL SOCIETY AKA 1881 COURTHOUSE MUSEUM | $78,612 | $71,410 |
| LAKOTA ANIMAL CARE PROJECT | $90,285 | $55,064 |
| ANCIENT FREE AND ACCEPTED MASONS 66 | $43,382 | $27,172 |
| OPERATION BLACK HILLS CABIN | $72,357 | $10,557 |