| Research for Action IncPhiladelphia | Form 990 | $5,230,199FY2025 |
| Equity Research OrganizationPhiladelphia | Form 990 | $3,098,495FY2024 |
| Latin American Studies Association IncPittsburgh | Form 990 | $2,464,190FY2025 |
| American Academy of Political and Social SciencePhiladelphia | Form 990 | $2,448,523FY2025 |
| Association for Slavic East European and Eurasian Studies IncPittsburgh | Form 990 | $2,239,868FY2025 |
| Center for Independent Thought IncBala Cynwyd | Form 990 | $2,198,059FY2025 |
| Campbell CollaborationPhiladelphia | Form 990 | $1,783,463FY2024 |
| LCC International Fund IncLancaster | Form 990 | $1,759,358FY2025 |
| American Research Institute in Turkey IncPhiladelphia | Form 990 | $1,745,753FY2025 |
| Keystone Research Center IncLemoyne | Form 990 | $1,389,208FY2025 |
| Husky Research Corporation IncBloomsburg | Form 990 | $632,027FY2025 |
| Passages IncClarion | Form 990 | $531,661FY2025 |
| American Center for Mongolian StudiesPhiladelphia | Form 990 | $468,688FY2025 |
| Association for Positive Behavior SupportErie | Form 990 | $383,198FY2024 |
| Pink City IncSellersville | Form 990 | $317,414FY2025 |
| Center for Health & Human Services Research & ActionScranton | Form 990 | $257,458FY2025 |
| Lincoln Institute of Public Opinion Research IncHarrisburg | Form 990-EZ | $198,990FY2025 |
| Police Data Accessibility Project IncPittsburgh | Form 990-EZ | $106,039FY2025 |
| Globe Research & Education FoundationBala Cynwyd | Form 990-N | No figure |
| Global Heritage FundGladwyne | Form 990-N | No figure |
| Mid Atlantic Region Association for Asian Studies IncCarlisle | Form 990-N | No figure |
| Geographical Society of PhiladelphiaGladwyne | Form 990-N | No figure |
| Silvan S Tomkins InstituteHaverford | Form 990-N | No figure |
| Philadelphia Archeological ForumPhiladelphia | Form 990-N | No figure |
| American Society for CompetitivenessIndiana | Form 990-N | No figure |
| Housing Finance Information NetworkPhiladelphia | Form 990-N | No figure |
| Wynnewood InstituteWynnewood | Form 990-N | No figure |
| Rooted and Rising CollectiveHummelstown | Form 990-N | No figure |
| Journey to JusticeSelinsgrove | Form 990-N | No figure |
| Ty Harrisons Hope for Suicide Survivors IncLoretto | Form 990-N | No figure |
| Philadelphia Chapter No 1 of the National Association of Watch andMedia | Form 990-N | No figure |
| Hua Culture & Life AssociationState College | Form 990-N | No figure |
| Heridas Pero No Vencidas IncEast Stroudsburg | Form 990-N | No figure |
| Society of Spanish and Spanish-American Studies IncorporaPhiladelphia | Form 990-N | No figure |
| Mon-Yough Chapter 3 of the Society for Pa ArchNorth Huntingdon | Form 990-N | No figure |
| Africa ReconnectPhiladelphia | Form 990-N | No figure |
| Iq Systems Research CorporationLancaster | Form 990-N | No figure |
| Global Gita MissionAnnville | Form 990-N | No figure |
| Federation of Black & Minority BusinessesPhiladelphia | Form 990-N | No figure |
| Institute for Financial Distress Research and Education IncBensalem | Form 990-N | No figure |
| Social Science for Social GoodPhiladelphia | Form 990-N | No figure |
| Centre for Music and Mental HealthCarlisle | Form 990-N | No figure |
| Society for Language DevelopmentPhiladelphia | Form 990-N | No figure |
| Real Men Speak IncPhiladelphia | Form 990-N | No figure |
| Collasuyo Archaeological Research InstitutePittsburgh | Form 990-N | No figure |
| Institute for Digital Heritage IncPhiladelphia | Form 990-N | No figure |
| Bbccdc One IncAmbler | Form 990-N | No figure |
| Ballot LabPhiladelphia | Form 990 or 990-EZ | No figure |
| Up Girls VolleyballPennsburg | Form 990-N | No figure |