RANKING ·
Largest net interest margin improvement in South Carolina
22 of 45 credit unions in South Carolina that filed for the quarter ended June 30, 2026 are ranked. At least $100 million in total assets and a comparable quarter a year earlier. Institutions with equal values share a rank. Source: NCUA Call Report data.
| Rank | Institution | Headquarters | Net interest margin, change over 12 months | Total assets |
|---|---|---|---|---|
| 1 | Caro Federal Credit Union | Columbia, SC | +65 bps | $175 million |
| 2 | Safe Federal Credit Union | Sumter, SC | +31 bps | $2.0 billion |
| 3 | S. C. State Federal Credit Union | Columbia, SC | +26 bps | $1.5 billion |
| 4 | Carolina Trust Federal Credit Union | Myrtle Beach, SC | +19 bps | $422 million |
| 5 | Founders Federal Credit Union | Lancaster, SC | +17 bps | $5.2 billion |
| 6 | Greenville Federal Credit Union | Greenville, SC | +14 bps | $512 million |
| 7 | Rev Federal Credit Union | Charleston, SC | +14 bps | $1.2 billion |
| 8 | Sharonview Federal Credit Union | Fort Mill, SC | +14 bps | $1.3 billion |
| 9 | Upstate Federal Credit Union | Anderson, SC | +6 bps | $149 million |
| 10 | Spero Financial Federal Credit Union | Greenville, SC | +3 bps | $701 million |
| 11 | Mid Carolina Credit Union | Lugoff, SC | +2 bps | $182 million |
| 12 | South Carolina Federal Credit Union | North Charlesto, SC | +2 bps | $2.6 billion |
| 13 | Srp Federal Credit Union | North Augusta, SC | 0 bps | $2.1 billion |
| 14 | Family Trust Federal Credit Union | Rock Hill, SC | 0 bps | $805 million |
| 15 | Palmetto Citizens Federal Credit Union | Columbia, SC | -3 bps | $1.5 billion |
| 16 | Allsouth Federal Credit Union | Columbia, SC | -9 bps | $1.5 billion |
| 17 | Georgetown Kraft Credit Union | Georgetown, SC | -12 bps | $192 million |
| 18 | Carolina Foothills Federal Credit Union | Spartanburg, SC | -18 bps | $224 million |
| 19 | Greenville Heritage Federal Credit Union | Greenville, SC | -24 bps | $181 million |
| 20 | Mtc Federal Credit Union | Greenville, SC | -28 bps | $303 million |
| 21 | Cpm Federal Credit Union | North Charlesto, SC | -30 bps | $759 million |
| 22 | Spc Credit Union | Hartsville, SC | -37 bps | $266 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings