| # | Name | Location | Assets | Members | ROA |
|---|---|---|---|---|---|
| 1 | Rockland Federal Credit Union | Rockland, MA | $3.83B | 224,919 | 0.70% |
| 2 | Metro Credit Union | Chelsea, MA | $3.30B | 218,846 | 0.35% |
| 3 | Workers Federal Credit Union | Littleton, MA | $2.49B | 119,940 | -0.21% |
| 4 | Brightbridge Credit Union | Lawrence, MA | $2.36B | 117,912 | 0.55% |
| 5 | Jeanne D'arc Credit Union | Lowell, MA | $2.19B | 102,484 | 0.43% |
| 6 | Hanscom Federal Credit Union | Hanscom Afb, MA | $2.18B | 97,310 | 0.33% |
| 7 | Greylock Federal Credit Union | Pittsfield, MA | $1.79B | 114,211 | 0.85% |
| 8 | Webster First Federal Credit Union | Worcester, MA | $1.53B | 85,320 | 1.76% |
| 9 | Sharon & Crescent United Credit Union | Sharon, MA | $1.40B | 70,546 | 0.88% |
| 10 | St. Anne's Credit Union | Fall River, MA | $1.35B | 61,349 | 0.71% |
| 11 | Harvard Federal Credit Union | Cambridge, MA | $1.24B | 59,763 | 0.28% |
| 12 | St. Mary's Credit Union | Marlborough, MA | $1.03B | 57,336 | 0.25% |
| 13 | All One Credit Union | Leominster, MA | $880.8M | 36,538 | 0.33% |
| 14 | Central One Federal Credit Union | Shrewsbury, MA | $872.1M | 39,412 | 0.59% |
| 15 | Liberty Bay Credit Union | Braintree, MA | $827.4M | 21,624 | 0.53% |
| 16 | Direct Federal Credit Union | Needham, MA | $794.7M | 23,736 | 0.18% |
| 17 | Polish National Credit Union | Chicopee, MA | $776.9M | 28,682 | 0.52% |
| 18 | Freedom Credit Union | Springfield, MA | $764.0M | 31,456 | 0.57% |
| 19 | Gfa Federal Credit Union | Gardner, MA | $747.3M | 33,661 | -0.14% |
| 20 | Mass. Institute Of Tech. Federal Credit Union | Lexington, MA | $730.8M | 35,749 | 0.21% |
| 21 | Quincy Credit Union | Quincy, MA | $729.4M | 39,827 | 0.81% |
| 22 | First Citizens' Federal Credit Union | Fairhaven, MA | $705.9M | 42,583 | 0.91% |
| 23 | Umassfive College Federal Credit Union | Hadley, MA | $702.7M | 51,576 | 0.52% |
| 24 | Align Credit Union | Lowell, MA | $650.9M | 26,942 | -0.45% |
| 25 | I-C Federal Credit Union | Fitchburg, MA | $583.0M | 37,756 | -0.27% |
| 26 | City Of Boston Credit Union | South Boston, MA | $544.5M | 31,261 | 0.39% |
| 27 | Millbury Federal Credit Union | Millbury, MA | $468.2M | 30,023 | 0.30% |
| 28 | Boston Firefighters Credit Union | Dorchester, MA | $452.6M | 12,150 | 0.75% |
| 29 | Taunton Federal Credit Union | Taunton, MA | $440.5M | 19,289 | 1.01% |
| 30 | St. Jean's Credit Union | Lynn, MA | $372.5M | 18,167 | 0.29% |
| 31 | Mass Bay Credit Union | South Boston, MA | $366.7M | 17,761 | 0.58% |
| 32 | Members Plus Credit Union | Medford, MA | $349.0M | 13,688 | -0.49% |
| 33 | Massmutual Federal Credit Union | Springfield, MA | $344.5M | 13,633 | 0.09% |
| 34 | Fall River Municipal Credit Union | Fall River, MA | $316.5M | 13,069 | 0.21% |
| 35 | Holyoke Credit Union | Holyoke, MA | $296.4M | 21,869 | 0.48% |
| 36 | Alltrust Credit Union | Fairhaven, MA | $280.2M | 11,444 | -1.06% |
| 37 | Somerset Federal Credit Union | Somerset, MA | $263.3M | 11,724 | 0.69% |
| 38 | Tremont Credit Union | Boston, MA | $256.5M | 12,712 | 0.14% |
| 39 | Shrewsbury Federal Credit Union | Shrewsbury, MA | $249.4M | 9,729 | 0.89% |
| 40 | Luso Federal Credit Union | Ludlow, MA | $244.6M | 7,922 | 0.45% |
| 41 | Southbridge Credit Union | Southbridge, MA | $242.4M | 11,342 | 0.42% |
| 42 | Greater Springfield Credit Union | Springfield, MA | $230.3M | 10,961 | 1.79% |
| 43 | River Works Credit Union | Lynn, MA | $192.9M | 5,374 | 0.54% |
| 44 | Alden Credit Union | Chicopee, MA | $185.4M | 12,473 | 0.25% |
| 45 | Naveo Credit Union | Somerville, MA | $176.3M | 6,645 | 0.36% |
| 46 | Homefield Credit Union | North Grafton, MA | $170.4M | 6,865 | 0.23% |
| 47 | New Bedford Credit Union | New Bedford, MA | $168.7M | 10,656 | 0.72% |
| 48 | Pioneer Valley Federal Credit Union | Springfield, MA | $167.2M | 11,651 | 0.66% |
| 49 | Metrowest Community Federal Credit Union | Framingham, MA | $147.0M | 6,832 | 0.56% |
| 50 | First Priority Credit Union | Boston, MA | $139.4M | 6,076 | 0.34% |
| 51 | Energy Credit Union | West Roxbury, MA | $128.8M | 5,609 | 0.66% |
| 52 | Nesc Federal Credit Union | Methuen, MA | $125.9M | 7,879 | 0.55% |
| 53 | Brotherhood Credit Union | Lynn, MA | $125.2M | 5,211 | 3.55% |
| 54 | Luso-American Credit Union | Peabody, MA | $123.0M | 9,368 | 0.47% |
| 55 | St. Michaels Fall River Federal Credit Union | Fall River, MA | $121.4M | 3,151 | 0.52% |
| 56 | Worcester Credit Union | Worcester, MA | $107.3M | 6,368 | 0.92% |
| 57 | Common Trust Federal Credit Union | Woburn, MA | $100.8M | 5,690 | 0.16% |
| 58 | Tewksbury Federal Credit Union | Tewksbury, MA | $100.7M | 6,043 | 0.63% |
| 59 | Athol Credit Union | Athol, MA | $99.2M | 6,257 | -0.30% |
| 60 | Westport Federal Credit Union | Westport, MA | $82.2M | 6,196 | 1.22% |
| 61 | Allcom Credit Union | Worcester, MA | $81.8M | 3,813 | 0.36% |
| 62 | New England Teamsters Federal Credit Union | Charlestown, MA | $74.8M | 3,989 | 0.88% |
| 63 | Stoneham Municipal Employees Federal Credit Union | Stoneham, MA | $69.9M | 4,111 | 0.90% |
| 64 | Cranberry Federal Credit Union | West Wareham, MA | $63.3M | 3,482 | 0.25% |
| 65 | Southcoast Federal Credit Union | New Bedford, MA | $59.0M | 4,298 | 0.50% |
| 66 | Notre Dame Community Federal Credit Union | Fall River, MA | $58.3M | 3,103 | 0.39% |
| 67 | Brookline Municipal Credit Union | Brookline, MA | $51.0M | 2,478 | 1.18% |
| 68 | Goldmark Federal Credit Union | Attleboro, MA | $50.2M | 2,944 | 0.58% |
| 69 | Somerville Municipal Federal Credit Union | Somerville, MA | $49.0M | 2,176 | 1.12% |
| 70 | Worcester Fire Dept. Credit Union | Worcester, MA | $47.1M | 2,063 | 0.85% |
| 71 | Methuen Federal Credit Union | Methuen, MA | $41.8M | 2,540 | 0.47% |
| 72 | 600 Atlantic Federal Credit Union | Boston, MA | $39.1M | 1,438 | 0.69% |
| 73 | St. Anthony Of Padua Federal Credit Union | Fall River, MA | $38.4M | 1,698 | 1.00% |
| 74 | The Andovers Federal Credit Union | Andover, MA | $36.9M | 2,050 | 1.00% |
| 75 | Alpha Credit Union | Boston, MA | $35.1M | 3,710 | 1.97% |
| 76 | Norfolk Community Federal Credit Union | Norfolk, MA | $33.0M | 3,581 | 1.11% |
| 77 | Taupa Lithuanian Federal Credit Union | South Boston, MA | $32.1M | 1,789 | 0.35% |
| 78 | Mills42 Federal Credit Union | Lowell, MA | $31.5M | 2,956 | 0.79% |
| 79 | Leominster Employees Federal Credit Union | Leominster, MA | $30.0M | 1,703 | 0.90% |
| 80 | Massachusetts Family Federal Credit Union | Lynn, MA | $29.6M | 1,398 | 0.43% |
| 81 | Htm Credit Union | Haverhill, MA | $29.6M | 1,787 | 0.67% |
| 82 | Malden Federal Credit Union | Malden, MA | $29.4M | 1,551 | 0.74% |
| 83 | Lowell Firefighters Credit Union | Lowell, MA | $28.3M | 1,848 | 0.38% |
| 84 | Haverhill Fire Department Credit Union | Haverhill, MA | $27.7M | 1,192 | 0.50% |
| 85 | Mycom Federal Credit Union | Pittsfield, MA | $26.7M | 2,738 | 0.06% |
| 86 | Beverly Municipal Federal Credit Union | Beverly, MA | $25.8M | 1,916 | 0.94% |
| 87 | Worcester Police Department Federal Credit Union | Worcester, MA | $25.5M | 1,265 | 0.40% |
| 88 | Attleboro M E Federal Credit Union | Attleboro, MA | $24.6M | 1,512 | 1.40% |
| 89 | Rah Federal Credit Union | Randolph, MA | $23.9M | 1,849 | 0.75% |
| 90 | Billerica Municipal Employees Credit Union | Billerica, MA | $23.6M | 1,260 | 0.89% |
| 91 | Somerville School Employees Federal Credit Union | Somerville, MA | $22.9M | 1,280 | 0.34% |
| 92 | Chelsea Employees Federal Credit Union | Chelsea, MA | $21.5M | 2,262 | 0.50% |
| 93 | Lynn Firemens Federal Credit Union | Lynn, MA | $20.1M | 1,609 | 1.57% |
| 94 | Santo Christo Federal Credit Union | Fall River, MA | $18.5M | 1,979 | 0.94% |
| 95 | Cambridge Firefighters Federal Credit Union | Cambridge, MA | $14.2M | 865 | 1.70% |
| 96 | Marblehead Municipal Federal Credit Union | Marblehead, MA | $13.5M | 1,237 | 0.59% |
| 97 | Lynn Police Credit Union | Lynn, MA | $11.7M | 1,005 | 0.33% |
| 98 | Burlington Municipal Employees Federal Credit Union | Burlington, MA | $11.0M | 1,155 | 0.38% |
| 99 | Cambridge Municipal Employees Federal Credit Union | Cambridge, MA | $10.2M | 1,296 | 1.71% |
| 100 | Morton Federal Credit Union | Taunton, MA | $10.1M | 902 | 0.85% |