RANKING ·
Largest net interest margin improvement in Maine
40 of 48 credit unions in Maine 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 | Sebasticook Valley Federal Credit Union | Pittsfield, ME | +159 bps | $186 million |
| 2 | Maine Family Federal Credit Union | Lewiston, ME | +39 bps | $288 million |
| 3 | Casco Federal Credit Union | Gorham, ME | +37 bps | $121 million |
| 4 | Norstate Federal Credit Union | Madawaska, ME | +37 bps | $280 million |
| 5 | Atlantic Regional Federal Credit Union | South Portland, ME | +30 bps | $1.1 billion |
| 6 | Bangor Federal Credit Union | Bangor, ME | +25 bps | $293 million |
| 7 | Seaboard Federal Credit Union | Bucksport, ME | +22 bps | $246 million |
| 8 | Town & Country Federal Credit Union | South Portland, ME | +19 bps | $621 million |
| 9 | Midcoast Federal Credit Union | Freeport, ME | +19 bps | $267 million |
| 10 | Evergreen Credit Union | Portland, ME | +17 bps | $645 million |
| 11 | Ancorum Credit Union | Bath, ME | +16 bps | $402 million |
| 12 | Truchoice Federal Credit Union | Portland, ME | +16 bps | $257 million |
| 13 | Maine State Credit Union | Augusta, ME | +16 bps | $806 million |
| 14 | Cumberland County Federal Credit Union | Falmouth, ME | +15 bps | $494 million |
| 15 | University Credit Union | Orono, ME | +11 bps | $538 million |
| 16 | Connected Credit Union | Augusta, ME | +10 bps | $134 million |
| 17 | Acadia Federal Credit Union | Fort Kent, ME | +5 bps | $413 million |
| 18 | Katahdin Federal Credit Union | Millinocket, ME | +5 bps | $111 million |
| 19 | Downeast Credit Union | Baileyville, ME | +3 bps | $330 million |
| 20 | Lisbon Community Federal Credit Union | Lisbon, ME | +2 bps | $210 million |
| 21 | Maine Savings Federal Credit Union | Hampden, ME | +1 bps | $858 million |
| 22 | Peopleschoice Credit Union | Biddeford, ME | +1 bps | $367 million |
| 23 | Maine Highlands Federal Credit Union | Dexter, ME | 0 bps | $230 million |
| 24 | The County Federal Credit Union | Presque Isle, ME | -1 bps | $530 million |
| 25 | Saco Valley Credit Union | Saco, ME | -1 bps | $196 million |
| 26 | Cport Credit Union | Portland, ME | -2 bps | $435 million |
| 27 | Otis Federal Credit Union | Jay, ME | -5 bps | $300 million |
| 28 | Lincoln Maine Federal Credit Union | Lincoln, ME | -5 bps | $163 million |
| 29 | Dirigo Federal Credit Union | Lewiston, ME | -7 bps | $498 million |
| 30 | Trademark Federal Credit Union | Augusta, ME | -7 bps | $132 million |
| 31 | Oxford Federal Credit Union | Mexico, ME | -9 bps | $370 million |
| 32 | Brewer Federal Credit Union | Brewer, ME | -10 bps | $118 million |
| 33 | Community Credit Union | Lewiston, ME | -11 bps | $120 million |
| 34 | New Dimensions Federal Credit Union | Waterville, ME | -15 bps | $244 million |
| 35 | K V Federal Credit Union | Augusta, ME | -19 bps | $140 million |
| 36 | Franklin-Somerset Federal Credit Union | Madison, ME | -26 bps | $149 million |
| 37 | Winthrop Area Federal Credit Union | Winthrop, ME | -32 bps | $107 million |
| 38 | Central Maine Federal Credit Union | Lewiston, ME | -44 bps | $145 million |
| 39 | Ksw Federal Credit Union | Waterville, ME | -50 bps | $122 million |
| 40 | Gardiner Federal Credit Union | Gardiner, ME | -84 bps | $101 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings