| S. C. State Federal Credit Union | 73 | 1 | 24.5% | — | $3,960 |
| S&T Bank | 488 | 7 | 6.7% | 6.625% | $4,270 |
| Sabine State Bank and Trust Company | 103 | 2 | 20.0% | — | — |
| Saco & Biddeford Savings Institution | 108 | 1 | 10.3% | — | — |
| Safe Credit Union | 250 | 1 | 0.5% | 6.125% | $6,980 |
| Safe Federal Credit Union | 301 | 1 | 7.7% | 6.375% | $3,270 |
| Salem Five Mortgage Company, LLC | 1,166 | 5 | 7.9% | 6.625% | $4,730 |
| Sammamish Mortgage Company | 849 | 5 | 1.4% | 6.375% | $4,500 |
| San Francisco Federal Credit Union | 152 | 1 | 2.1% | 6.500% | $6,380 |
| San Mateo Credit Union | 122 | 1 | 23.4% | — | — |
| Sanctuary Home Mortgage LLC | 125 | 3 | 0.9% | 6.750% | $7,280 |
| Sauk Valley Bank & Trust Company | 121 | 2 | 3.7% | — | — |
| SayGO Home Loans, LLC | 647 | 25 | — | — | — |
| Scenic Oaks Funding, LLC | 939 | 8 | 2.9% | 6.625% | $6,450 |
| Schoolsfirst | 2,315 | 1 | 2.2% | 6.625% | $4,950 |
| Schumacher Mortgage LLC | 454 | 14 | 2.5% | — | $16,030 |
| Scott Credit Union | 580 | 8 | 3.4% | 6.500% | $2,730 |
| Sea Comm | 98 | 2 | 4.4% | — | — |
| Seacoast National Bank | 414 | 2 | 11.4% | 6.500% | $6,400 |
| Security Federal Bank | 190 | 2 | 11.9% | 5.990% | $5,770 |
| Security Federal Savings Bank | 167 | 1 | 2.8% | 6.750% | $2,540 |
| Security First Bank | 191 | 7 | 4.2% | 6.375% | $2,550 |
| Security Home Mortgage, LLC. | 484 | 7 | 1.0% | 6.624% | $7,920 |
| Security Service Federal Credit Union | 882 | 5 | 29.3% | 6.375% | $5,420 |
| Security State Bank & Trust | 157 | 1 | 2.2% | 6.750% | $6,520 |
| Securitynational Mortgage Company | 4,419 | 44 | 9.1% | 6.875% | $8,670 |
| Sefcu Services, LLC | 2,191 | 1 | 1.6% | 6.375% | $3,930 |
| Selco Community | 156 | 1 | 0.0% | 6.240% | $5,000 |
| Select Lending Services LLC | 784 | 16 | 3.6% | 6.750% | $6,170 |
| Self Reliance Ny | 153 | 12 | 5.0% | 6.375% | $5,700 |
| Self-Help Credit Union | 120 | 4 | 20.1% | 8.000% | — |
| Self-Help Federal Credit Union | 303 | 5 | 15.6% | 8.250% | — |
| Selfreliance Federal Credit Union | 147 | 9 | 0.8% | — | — |
| Semper Home Loans, Inc. | 386 | 14 | 7.8% | 6.875% | $7,220 |
| Sente Mortgage, Inc. | 787 | 14 | 1.3% | 6.875% | $7,830 |
| Service Federal Credit Union | 579 | 45 | 21.1% | 6.500% | $3,570 |
| Service First Federal Credit Union | 140 | 4 | 2.5% | — | — |
| Servion, Inc. | 1,525 | 37 | 3.0% | 6.500% | $4,510 |
| Servis One, Inc. | 177 | 35 | — | — | — |
| ServisFirst Bank | 827 | 14 | 2.3% | 6.500% | $3,970 |
| Servu Federal Credit Union | 129 | 2 | 8.2% | — | — |
| Seven Seventeen Credit Union | 491 | 2 | 4.8% | 6.500% | $3,470 |
| SFMC, LP | 3,158 | 16 | 4.5% | 6.490% | $8,840 |
| Sharon & Crescent United Credit Union | 105 | 2 | 3.1% | — | $3,540 |
| Shea Mortgage Inc. | 1,072 | 11 | 2.1% | 6.375% | $530 |
| Shell Federal Credit Union | 292 | 1 | 4.6% | 6.500% | $5,910 |
| Shelter Home Mortgage, LLC | 276 | 5 | 3.6% | 6.875% | $6,510 |
| Shelter Lending Services, L.L.C. | 102 | 2 | 0.0% | 6.750% | $4,400 |
| Sherburne State Bank | 116 | 2 | 0.9% | — | — |
| Shinhan Bank America | 177 | 5 | 1.2% | — | — |
| Shore United Bank, N.A. | 777 | 14 | 5.3% | 6.625% | $6,270 |
| Sibcy Cline Mortgage Services, Inc. | 254 | 3 | 7.3% | 6.750% | $3,700 |
| Sidney Federal Credit Union | 684 | 3 | 2.5% | 6.625% | $3,830 |
| Sierra Pacific Mortgage Company, Inc. | 6,183 | 46 | 7.5% | 6.625% | $7,580 |
| Signature Bank of Arkansas | 195 | 4 | 3.4% | — | — |
| Sikorsky Financial Credit Union | 256 | 1 | 3.2% | 6.375% | $4,910 |
| Silver State Schools Service Company, LLC | 193 | 1 | 3.3% | 5.750% | $3,790 |
| Simmons Bank | 1,112 | 21 | 13.0% | 6.750% | $4,000 |
| Simplicity | 183 | 1 | 10.5% | 6.375% | $2,450 |
| Siouxland Federal Credit Union | 153 | 5 | 1.5% | — | $4,640 |
| Sirva Mortgage, Inc. | 1,178 | 49 | 1.6% | 6.625% | $220 |
| SIU Credit Union | 95 | 1 | 7.9% | — | — |
| Skowhegan Savings Bank | 80 | 1 | 18.8% | — | — |
| Skyla Federal Credit Union | 205 | 8 | 7.8% | 6.490% | $5,890 |
| Skyline National Bank | 148 | 3 | 3.3% | — | — |
| Skyrock Mortgage Corp | 227 | 7 | 1.1% | 6.500% | — |
| Smart Financial Credit Union | 62 | 1 | 6.3% | — | $5,370 |
| SmartBank | 425 | 12 | 3.3% | 6.375% | $4,650 |
| Sofi Bank, N.A. | 5,243 | 51 | 7.2% | 6.625% | $4,840 |
| Solvay Bank | 162 | 1 | 3.9% | — | — |
| Somerset Regal Bank | 129 | 1 | 1.0% | — | — |
| Somerset Trust Company | 370 | 7 | 5.3% | 6.125% | $3,970 |
| Sound Credit Union | 131 | 2 | 2.5% | 6.250% | $4,890 |
| South Atlantic Bank | 186 | 2 | 3.0% | — | — |
| South Carolina Federal Credit Union | 358 | 6 | 4.4% | 6.500% | $7,710 |
| South Central Bank, Inc. | 515 | 7 | 5.5% | 6.375% | $2,990 |
| SouthEast Bank | 107 | 1 | 16.3% | 7.650% | $4,150 |
| Southeast Mortgage of Georgia, Inc. | 1,155 | 9 | 3.4% | 6.875% | $6,560 |
| Southern Bancorp Bank | 368 | 11 | 14.2% | 6.500% | $3,290 |
| Southern Bank | 380 | 8 | 9.3% | 7.000% | $2,220 |
| Southern Bank and Trust Company | 466 | 3 | 4.5% | 6.500% | $6,830 |
| Southern First Bank | 714 | 15 | 1.9% | 6.625% | $4,220 |
| Southern Lending Services, Ltd. | 270 | 2 | 1.5% | 5.990% | $3,240 |
| Southern Michigan Bank & Trust | 202 | 5 | 9.4% | — | — |
| Southern Trust Mortgage, LLC | 1,693 | 10 | 3.0% | 6.625% | $6,480 |
| SouthPoint Bank | 515 | 4 | 3.2% | 6.500% | $3,590 |
| Southpoint Financial | 186 | 5 | 4.8% | — | — |
| Southside Bank | 205 | 2 | 39.5% | 6.750% | $6,260 |
| SouthStar Bank, S.S.B. | 101 | 3 | 21.3% | — | — |
| SouthState Bank, N.A. | 4,268 | 24 | 9.3% | 6.625% | $5,520 |
| Southwest Airlines Federal Credit Union | 96 | 24 | 20.0% | 6.125% | $7,100 |
| Southwest Funding, LP | 1,431 | 26 | 5.8% | 6.750% | $7,110 |
| Southwest Missouri Bank | 167 | 3 | 23.1% | 6.375% | $2,180 |
| Sovereign Bank | 279 | 10 | 1.9% | 6.750% | $4,620 |
| Space Coast Credit Union | 1,173 | 1 | 10.5% | 6.750% | $0 |
| Spokane Teachers | 581 | 4 | 6.0% | 6.375% | $6,300 |
| SRP Federal Credit Union | 307 | 2 | 21.5% | 6.375% | $5,950 |
| St. Anne's Credit Union | 111 | 2 | 16.5% | 6.250% | $5,160 |
| St. Cloud Financial | 142 | 4 | 2.4% | 6.375% | $5,060 |
| St. Mary's Bank Credit Union | 271 | 3 | 10.2% | 6.625% | $4,030 |
| Standard Mortgage Corporation | 453 | 13 | 5.4% | 6.500% | $5,140 |
| Stanford Federal Credit Union | 366 | 28 | 1.3% | 6.625% | $5,630 |
| Star Financial Bank | 276 | 7 | 13.2% | 6.875% | $2,810 |
| Star ONE Credit Union | 680 | 27 | 5.7% | 6.375% | $4,530 |
| Starboard Financial Management, LLC | 139 | 6 | 1.7% | 6.750% | $7,260 |
| State Bank of Southern Utah | 100 | 3 | 5.5% | 6.625% | $3,870 |
| State Department Federal Credit Union | 176 | 37 | 9.0% | 6.000% | $6,840 |
| State Employees Credit Union | 68 | 1 | 23.5% | — | $5,410 |
| State Employees Credit Union of Maryland, Incorporated | 763 | 6 | 5.7% | 6.625% | $5,030 |
| State Employees' | 11,575 | 5 | 13.7% | 6.500% | $4,730 |
| State Financial Network, LLC | 167 | 8 | 1.5% | 6.500% | $3,590 |
| State Savings Bank | 101 | 1 | 6.2% | — | — |
| Staunton Financial, Inc. | 2,304 | 9 | 4.3% | 6.625% | $4,190 |
| Stellar Bank | 84 | 2 | 31.9% | — | $12,280 |
| STG Mortgage Inc. | 2,174 | 35 | 10.5% | 6.625% | $8,220 |
| Stifel Bank and Trust | 2,764 | 50 | 1.0% | 6.375% | $3,380 |
| Stillman BancCorp N.A. | 159 | 5 | 4.0% | 6.550% | $2,950 |
| Stock Yards Bank & Trust Company | 936 | 8 | 8.6% | 6.750% | $3,480 |
| Stockman Bank of Montana | 1,038 | 4 | 2.8% | 6.500% | $6,360 |
| Stockton Mortgage Corporation | 6,311 | 25 | 5.3% | 6.625% | $5,390 |
| Stone Meadow Lending, LLC | 360 | 1 | 4.5% | 6.125% | $4,720 |
| Stonewood Home Lending, LLC | 429 | 1 | 1.8% | 6.625% | $9,040 |
| Stride Bank, N.A. | 1,551 | 32 | 2.3% | 6.500% | $4,990 |
| Strong Home Mortgage, LLC | 585 | 28 | 9.0% | 6.490% | $3,870 |
| Studio Bank | 142 | 10 | 1.7% | 6.625% | $4,220 |
| Sturgis Bank & Trust Company | 296 | 2 | 2.3% | 6.500% | $3,380 |
| Success Lending, LLC | 727 | 36 | 17.4% | 6.625% | $5,920 |
| Success Mortgage Partners, Inc. | 3,562 | 40 | 2.5% | 6.625% | $6,730 |
| Sullivan Bank | 177 | 2 | 3.0% | 6.625% | $2,650 |
| Summit Credit Union | 2,822 | 8 | 4.3% | 6.625% | $3,090 |
| Summit Funding, Inc. | 4,260 | 40 | 4.7% | 6.875% | $8,660 |
| Summit Mortgage Bankers Inc. | 398 | 6 | 2.3% | 6.500% | $6,570 |
| Summit Mortgage Corporation | 1,104 | 22 | 2.8% | 6.750% | $5,720 |
| Summit Mortgage Corporation | 368 | 8 | 3.7% | 6.624% | $6,960 |
| Sun American Mortgage Company | 549 | 6 | 2.2% | 6.625% | $4,520 |
| SUN Federal Credit Union | 132 | 8 | 1.1% | 6.125% | $3,410 |
| Sun West Mortgage Company, Inc. | 7,501 | 51 | 11.6% | 6.625% | $7,850 |
| Suncoast Credit Union | 2,078 | 9 | 6.7% | 6.500% | $4,070 |
| Sunflower Bank, N.A. | 3,053 | 41 | 2.8% | 6.625% | $6,140 |
| Sunmark Credit Union | 315 | 1 | 6.2% | 6.375% | $4,200 |
| Sunrise Banks, N.A. | 159 | 3 | 15.1% | — | — |
| Sunward Federal Credit Union | 707 | 7 | 1.2% | 6.500% | $4,450 |
| Superior Choice Credit Union | 83 | 2 | 5.0% | — | $3,660 |
| Superior Credit Union, Inc. | 849 | 9 | 7.0% | 6.500% | $3,150 |
| Superior Financial Solutions, LLC | 109 | 3 | 3.1% | 6.625% | $3,320 |
| Superior National Bank | 611 | 12 | 2.3% | 6.625% | $3,650 |
| Susser Bank | 288 | 11 | 4.2% | 6.875% | $7,100 |
| SWBC Mortgage Corporation | 5,605 | 34 | 3.1% | 6.625% | $3,970 |
| Synergy One Lending, Inc. | 6,529 | 44 | 5.9% | 6.750% | $6,470 |
| Synovus Bank | 2,042 | 9 | 8.1% | 6.500% | $5,380 |
| The Security National Bank of Sioux City, Iowa | 140 | 6 | 15.8% | — | — |
| The State Bank and Trust Company | 859 | 11 | 3.2% | 6.500% | $3,780 |
| The Stephenson National Bank and Trust | 80 | 2 | 11.1% | — | — |
| THE Summit Federal Credit Union | 145 | 1 | 3.0% | 6.500% | $2,980 |