| BIG BROTHERS BIG SISTERS OF AMERICA | $69,170,417 | O31 | inferred 0.90 | | Tampa, FL | 2024 |
| BIG BROTHERS BIG SISTERS LONE STAR | $18,101,077 | O31 | published | | Dallas, TX | 2025 |
| BIG BROTHERS BIG SISTERS KANSAS CITY | $13,211,365 | O31 | inferred 0.90 | abuse: substance | Kansas City, MO | 2025 |
| BIG BROTHERS BIG SISTERS OF ORANGE COUNTY AND THE INLAND EMPIRE INC | $9,333,497 | O31 | inferred 0.85 | | Santa Ana, CA | 2024 |
| BIG BROTHERS AND BIG SISTERS OF NEW YORK CITY INC | $9,266,911 | O31 | inferred 0.75 | | New York, NY | 2024 |
| BIG BROTHERS BIG SISTERS ASSOCIATION OF FLORIDA INC | $8,714,578 | O31 | published | | Coral Gable, FL | 2024 |
| BIG BROTHERS BIG SISTERS OF MASSACHUSETTS BAY INC | $8,620,644 | O31 | inferred 0.90 | | Boston, MA | 2024 |
| BIG BROTHERS BIG SISTERS OF METRO ATLANTA INC | $6,788,417 | O31 | inferred 0.85 | launch: launch | Atlanta, GA | 2024 |
| KANSAS BIG BROTHERS BIG SISTERS INC | $6,420,843 | O31 | inferred 0.85 | abuse: substance | Wichita, KS | 2024 |
| BIG BROTHERS BIG SISTERS OF THE GREATER TWIN CITIES | $6,213,152 | O31 | published | abuse: substance | Minneapolis, MN | 2024 |
| BIG BROTHERS BIG SISTERS OF TAMPA BAY INC | $6,165,952 | O31 | inferred 0.85 | girls boys: boys girls clubs | Tampa, FL | 2024 |
| BIG BROTHERS-BIG SISTERS OF METROPOLITAN CHICAGO | $6,102,378 | O31 | inferred 0.85 | | Chicago, IL | 2024 |
| JEWISH BIG BROTHERS BIG SISTERS ASSOCIATION OF LOS ANGELES | $5,713,008 | O31 | published | | Los Angeles, CA | 2024 |
| BIG BROTHERS BIG SISTERS OF THE SUN COAST INC | $4,621,167 | O31 | inferred 0.90 | | Sarasota, FL | 2024 |
| BIG BROTHERS BIG SISTERS OF SOUTH TEXAS INC | $4,514,684 | O31 | inferred 0.90 | | San Antonio, TX | 2025 |
| BIG BROTHERS BIG SISTERS OF NORTHEAST INDIANA INC | $4,406,487 | O31 | inferred 0.90 | | Fort Wayne, IN | 2025 |
| BIG BROTHERS BIG SISTERS OF PUGET SOUND | $4,206,800 | O31 | inferred 0.85 | | Bellevue, WA | 2024 |
| BIG BROTHERS BIG SISTERS OF CENTRAL INDIANA INC | $3,984,875 | O31 | published | shelter: homeless | Indianapolis, IN | 2024 |
| BIG BROTHERS BIG SISTERS OF CENTRAL OHIO INC | $3,879,818 | O31 | inferred 0.90 | | Columbus, OH | 2024 |
| BIG BROTHERS BIG SISTERS OF CONNECTICUT INC | $3,730,309 | O31 | published | | Hartford, CT | 2024 |
| BIG BROTHERS & BIG SISTERS OF COLORADO INC | $3,730,270 | O31 | published | girls boys: girls | Denver, CO | 2024 |
| BIG BROTHERS BIG SISTERS OF THE BAY AREA | $3,727,842 | O31 | inferred 0.90 | | Oakland, CA | 2024 |
| BIG BROTHERS BIG SISTERS OF SAN DIEGO COUNTY INC | $3,441,574 | O31 | inferred 0.90 | violence: community | San Diego, CA | 2024 |
| SON CARE FOUNDATION | $3,364,990 | O31 | inferred 0.80 | men: issues | Sn Luis Obisp, CA | 2025 |
| BIG BROTHERS BIG SISTERS OF KENTUCKIANA INC | $3,290,718 | O31 | inferred 0.85 | | Louisville, KY | 2024 |
| BIG BROTHERS BIG SISTERS OF BROWARD INC | $3,092,485 | O31 | inferred 0.85 | | Ft Lauderdale, FL | 2024 |
| BIG BROTHERS BIG SISTERS OF CENTRAL ARIZONA | $3,062,674 | O31 | published | | Phoenix, AZ | 2024 |
| BIG BROTHERS AND BIG SISTERS OF METROPOLITAN MILWAUKEE INC | $2,995,453 | O31 | inferred 0.90 | | Milwaukee, WI | 2024 |
| BIG BROTHERS BIG SISTERS OF CENTRAL ARIZONA ASSOCIATION | $2,917,916 | O31 | published | | Phoenix, AZ | 2024 |
| BIG BROTHERS BIG SISTERS OF NEW HAMPSHIRE | $2,529,223 | O31 | inferred 0.90 | | Stratham, NH | 2025 |
| BIGS & LITTLES NYC MENTORING INC | $2,528,985 | O31 | inferred 0.80 | space: for women | New York, NY | 2024 |
| Big Brothers Big Sisters of Pinellas County Inc | $2,509,844 | O31 | inferred 0.85 | | Largo, FL | 2014 |
| BIG BROTHERS BIG SISTERS OF SOUTHWEST MICHIGAN | $2,056,707 | O31 | inferred 0.95 | | Kalamazoo, MI | 2024 |
| BIG BROTHERS BIG SISTERS OF CENTRAL IOWA INC | $2,028,730 | O31 | inferred 0.90 | | Des Moines, IA | 2024 |
| BIG BROTHERS BIG SISTERS HAWAII INC | $2,016,655 | O31 | inferred 0.85 | | Honolulu, HI | 2024 |
| BIG BROTHERS-BIG SISTERS OF EAST TENNESSEE | $2,014,009 | O31 | published | | Knoxville, TN | 2024 |
| BIG BROTHERS BIG SISTERS MOUNTAIN REGION | $1,951,512 | O31 | inferred 0.90 | | Santa Fe, NM | 2024 |
| BIG BROTHERS BIG SISTERS OF RHODE ISLAND INC | $1,944,332 | O31 | inferred 0.85 | | Providence, RI | 2025 |
| BIG BROTHERS BIG SISTERS NORTHWEST | $1,883,678 | O31 | published | | Portland, OR | 2025 |
| 352 CENTRAL NEW JERSEY COUNCIL | $1,871,850 | O31 | inferred 0.85 | girls boys: boy scouts | Irving, TX | 2013 |
| BIG BROTHERS-BIG SISTERS OF THE CAPITAL REGION INC | $1,839,098 | O31 | inferred 0.90 | | Harrisburg, PA | 2024 |
| BIG BROTHERS-BIG SISTERS OF WESTERN NORTH CAROLINA INC | $1,822,884 | O31 | inferred 0.90 | | Asheville, NC | 2024 |
| BIG BROTHERS BIG SISTERS OF NORTHERN NEVADA | $1,778,321 | O31 | published | | Reno, NV | 2024 |
| BIG BROTHERS-BIG SISTERS OF ULSTER | $1,737,960 | O31 | inferred 0.80 | violence: community | Poughkeepsie, NY | 2011 |
| BIG BROTHERS BIG SISTERS OF GREATER | $1,699,012 | O31 | inferred 0.95 | | Baltimore, MD | 2016 |
| GREATER WYOMING BIG BROTHERS BIG SISTERS | $1,671,806 | O31 | inferred 0.90 | | Laramie, WY | 2024 |
| BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED | $1,665,274 | O31 | inferred 0.90 | | Tucson, AZ | 2024 |
| BIG BROTHERS BIG SISTERS OF SOUTHEAST MICHIGAN | $1,603,830 | O31 | published | | Ypsilanti, MI | 2024 |
| BIG BROTHERS BIG SISTERS OF GREATER | $1,589,101 | O31 | inferred 0.90 | | Birmingham, AL | 2024 |
| BIG BROTHERS BIG SISTERS OF THE MISSISSIPPI VALLEY | $1,534,053 | O31 | published | | Davenport, IA | 2024 |
| BIG BROTHERS BIG SISTERS OF CENTRAL CAROLINAS | $1,513,053 | O31 | published | | Charlotte, NC | 2024 |
| BIG BROTHERS BIG SISTERS OF ALASKA | $1,487,275 | O31 | published | | Anchorage, AK | 2024 |
| BIG BROTHERS-BIG SISTERS OF LORAIN COUNTY | $1,466,983 | O31 | published | | Elyria, OH | 2024 |
| BIG BROTHERS BIG SISTERS OF SOUTHWEST IDAHO INC | $1,377,302 | O31 | inferred 0.90 | | Boise, ID | 2025 |
| BIG BROTHERS BIG SISTERS OF CENTRAL MASS METROWEST INC | $1,347,507 | O31 | published | | Worcester, MA | 2024 |
| BIG BROTHERS BIG SISTERS OF VENTURA COUNTY INC | $1,342,442 | O31 | published | | Camarillo, CA | 2024 |
| BIG BROTHERS-BIG SISTERS OF THE NATIONAL CAPITAL AREA | $1,322,547 | O31 | inferred 0.88 | | Washington, DC | 2024 |
| TAWASAW | $1,310,469 | O31 | published | | Oakland, CA | 2024 |
| BIG BROTHERS BIG SISTERS OF GREATER CHATTANOOGA | $1,201,478 | O31 | published | | Chattanooga, TN | 2025 |
| BIG BROTHERS BIG SISTERS OF MCHENRY COUNTY INC | $1,197,393 | O31 | published | | Crystal Lake, IL | 2024 |
| BIG BROTHERS BIG SISTERS OF ST LUCIE INDIAN RIVER & OKEECHOBEE CO | $1,173,726 | O31 | inferred 0.80 | | Vero Beach, FL | 2024 |
| BIG BROTHERS BIG SISTERS OF THE TRIANGLE INC | $1,129,933 | O31 | published | science: research education | Morrisville, NC | 2024 |
| BIG BROTHERS BIG SISTERS OF PALM BEACH AND MARTIN COUNTIES INC | $1,042,364 | O31 | inferred 0.90 | | West Palm Bch, FL | 2024 |
| BE A FRIEND PROGRAM INC | $1,022,385 | O31 | published | | Buffalo, NY | 2024 |
| BIG BROTHERS BIG SISTERS OF SOUTHERN NEVADA | $1,002,669 | O31 | inferred 0.85 | science: research education | Las Vegas, NV | 2024 |
| BIG BROTHERS BIG SISTERS FOUNDATION OF NEW JERSEY INC | $1,000,000 | O31 | published | | Asbury Park, NJ | 2024 |
| BIG BROTHERS BIG SISTERS OF BUCKS COUNTY INCORPORATED | $998,151 | O31 | inferred 0.90 | | Jamison, PA | 2024 |
| MENTORING URBAN STUDENTS & TEENS | $971,516 | O31 | published | men: issues | Seattle, WA | 2024 |
| BIG BROTHERS BIG SISTERS OF THE CENTRAL GULF COAST INC | $953,643 | O31 | published | abuse: substance | Mobile, AL | 2024 |
| BIG BROTHERS BIG SISTERS WI SHORELINE INC | $941,985 | O31 | inferred 0.85 | | Sheboygan, WI | 2025 |
| BIG BROTHERS BIG SISTERS OF NORTHERN SIERRA | $941,490 | O31 | published | | Placerville, CA | 2024 |
| MANELU | $908,348 | O31 | published | | Hagatna, GU | 2024 |
| BIG BROTHERS BIG SISTERS OF THE GREATER MIAMI VALLEY INC | $876,073 | O31 | published | | Dayton, OH | 2024 |
| BIG BROTHERS BIG SISTERS OF SOUTHWEST LOUISIANA INC | $868,679 | O31 | inferred 0.90 | | Lake Charles, LA | 2025 |
| BIG BROTHERS BIG SISTERS OF ACADIANA INC | $860,548 | O31 | inferred 0.85 | | Lafayette, LA | 2024 |
| FRIENDS OF BIG BROTHERS BIG SISTERS OF S NEVADA | $847,983 | O31 | published | | Las Vegas, NV | 2024 |
| BIG BROTHERS BIG SISTERS OF LICKING & PERRY COUNTIES INC | $843,652 | O31 | inferred 0.85 | | Newark, OH | 2024 |
| BIG BROTHERS BIG SISTERS OF MERCER COUNTY INC | $833,439 | O31 | published | science: research education | Trenton, NJ | 2025 |
| BIG BROTHERS BIG SISTERS OF CUMBERLAND & SALEM COUNTIES INC | $830,986 | O31 | inferred 0.85 | | Bridgeton, NJ | 2025 |
| BIG BROTHERS BIG SISTERS OF APPALACHIAN OHIO | $818,081 | O31 | inferred 0.90 | | Zanesville, OH | 2024 |
| BOYS & GIRLS CLUB OF HANCOCK COUNTY | $799,974 | O31 | inferred 0.70 | girls boys: boys girls clubs | Greenfield, IN | 2024 |
| BIG BROTHERS BIG SISTERS OF THE PERMIAN BASIN INC | $765,390 | O31 | inferred 0.85 | | Midland, TX | 2025 |
| BIG BROTHERS BIG SISTERS OF WESTCHESTER COUNTY INC | $757,331 | O31 | published | | Port Chester, NY | 2024 |
| BIG BROTHERS BIG SISTERS OF MIDLAND COUNTY INC | $735,739 | O31 | inferred 0.80 | | Midland, MI | 2025 |
| BIG BROTHERS-BIG SISTERS OF SAN LUIS OBISPO COUNTY | $728,291 | O31 | inferred 0.85 | | Sn Luis Obisp, CA | 2025 |
| Big Brothers Big Sisters of Burlington | $725,859 | O31 | inferred 0.90 | | Cherry Hill, NJ | 2014 |
| BIG BROTHERS BIG SISTERS OF DELAWARE INC | $725,718 | O31 | inferred 0.90 | | Wilmington, DE | 2024 |
| YAVAPAI BIG BROTHERS BIG SISTERS INC | $723,623 | O31 | published | | Cottonwood, AZ | 2024 |
| BIG BROTHERS BIG SISTERS OF FLINT AND GENESEE COUNTY | $711,210 | O31 | published | | Flint, MI | 2024 |
| BIG BROTHERS-BIG SISTERS OF WESTERN MASSACHUSETTS INC | $703,345 | O31 | inferred 0.95 | | W Springfield, MA | 2024 |
| BIG BROTHERS BIG SISTERS OF SOUTH CENTRAL OHIO INC | $692,984 | O31 | published | | Columbus, OH | 2024 |
| BIG BROTHERS BIG SISTERS OF THE INLAND NORTHWEST | $683,821 | O31 | inferred 0.85 | | Spokane, WA | 2025 |
| BIG BROTHERS-BIG SISTERS OF THE BLUEGRASS INC | $667,668 | O31 | inferred 0.85 | | Lexington, KY | 2025 |
| JEWISH BIG BROTHER & BIG SISTER ASSN OF GR BOSTON ENDOWMENT FUND I | $654,580 | O31 | published | | Waltham, MA | 2024 |
| BIG BROTHERS & BIG SISTERS OF THE TRI-STATE INC | $654,366 | O31 | inferred 0.90 | | Huntington, WV | 2024 |
| CATHOLIC BIG BROTHERS BIG SISTERS INC | $641,780 | O31 | inferred 0.90 | | Los Angeles, CA | 2024 |
| BIG BROTHERS-BIG SISTERS OF FOND DU LAC COUNTY INC | $641,706 | O31 | inferred 0.90 | | Fond Du Lac, WI | 2024 |
| HEART OF ILLINOIS BIG BROTHERS/BIG SISTERS | $628,325 | O31 | published | | Peoria, IL | 2025 |
| BIG BROTHERS-BIG SISTERS OF THE GREATER SACRAMENTO AREA INC | $618,556 | O31 | inferred 0.90 | | Sacramento, CA | 2024 |
| BIG BROTHERS BIG SISTERS OF NORTHWESTERN WISCONSIN INC | $604,533 | O31 | inferred 0.95 | | Eau Claire, WI | 2024 |