| T ROWE Price Program for Charitable Giving INC The t. ROWE price program for charitable giving promotes personal and corporate philanthropy by providing a TAX-efficient and effective means for initiating, growing, and distributing charitable gifts to qualified charitable and government organizations. | Public charity· 501(c)(3) Foundations MD Latest filing: 2025 | Total$302.2M | Total$146.8M | |
| Ducks Unlimited INC Ducks unlimited, INC. Conserves, restores, and manages wetlands and associated habitats for north america's waterfowl. These habitats also benefit other wildlife and people. | Public charity· 501(c)(3) Environment TN Latest filing: 2023 | Total$302.2M | Total$291.2M | |
| College of American Pathologists The college of american pathologists (CAP), the leading organization of board-certified pathologists, serves patients, pathologists & the public by fostering & advocating excellence in the practice of pathology & laboratory medicine worldwide. | Trade· 501(c)(6)FECIRS 990Political arm IL Latest filing: 2024 | Total$299.5M | Total$298.5M | |
| Environmental Defense Fund Incorporated To preserve the natural systems on which ALL life depends. Guided by science & economics, we find practical & lasting solutions to the most serious environmental problems. | Public charity· 501(c)(3)Fed auditsIRS 990 Environment NY Latest filing: 2024 | Total$298.7M | Total$295.8M | |
| Republican National Committee Sponsored by DEFEND OUR MAJORITY | Party Committee (qualified)· FEC State Party Washington, DC Latest filing: 2026 | Total$298.0M Contribs$163.1MFrom cmtes$134.9M | Total$205.7M Candidates$5K | |
| Carequest Institute for ORAL Health To improve the ORAL health of ALL. | Social welfare· 501(c)(4) MA Latest filing: 2024 | Total$297.9M | Total$42.7M | |
| Trust for Public Land The trust for public land creates parks and protects land for people, ensuring healthy, livable communities for generations to come. In the past year, we helped communities to plan for parks and conservation, fund parks and conservation, protect land, and create new parks. | Public charity· 501(c)(3) Environment CA Latest filing: 2023 | Total$297.4M | Total$290.9M | |
| Delta Dental Plan of Oklahoma Our mission is to be oklahoma's foremost developer, marketer, and administrator of quality dental benefit programs which assure highest standards of service, stability, efficiency, fairness and professionalism, supporting and encouraging quality dental care for the citizens we serve. To increase access to dental care, fund ORAL health education and support ORAL health organizations that serve vital needs in our communities. In fulfilling this mission, we will maintain financial stability that allows for growth, competitiveness, and the flexibility to respond to changing conditions. Finally, to be mindful of the needs of constituencies we serve-patients, purchasers and dentists. | Social welfare· 501(c)(4) OK Latest filing: 2024 | Total$296.1M | Total$295.1M | |
| Donors Trust INC Support charities & sponsor programs which alleviate, through education, research & private initiatives, society's most pervasive and radical needs, including those relating to social welfare, health, environment, economics, foreign relations, arts and culture. Encourage private philanthropy and individual giving as opposed to governmental solutions to society's problems. | Public charity· 501(c)(3) Foundations VA Latest filing: 2024 | Total$294.4M | Total$291.5M | |
| Oregon Community Foundation The mission of The Oregon Community Foundation is to improve lives of all Oregonians through the power of philanthropy. | Public charity· 501(c)(3) Foundations OR Latest filing: 2024 | Total$293.7M | Total$223.5M Lobby$58K | |
| Southwest Power POOL INC Regional transmission organization that provides the following services to its members and customers: tariff administration, electric reliability coordination, regional transmission scheduling, regional transmission expansion planning, day-ahead and real time markets, transmission congestion rights, reliability unit commitment, operating reserve market, and consolidated balancing authority. | Trade· 501(c)(6) AR Latest filing: 2024 | Total$291.7M | Total$268.3M | |
| National Basketball Players Association The national basketball players association (NBPA) serves to protect and advance the rights of our players. | Labor· 501(c)(5) NY Latest filing: 2024 | Total$291.0M | Total$294.5M | |
| Edward VIA Virginia College of Osteopathic Medicine The mission of the edward VIA college of osteopathic medicine (VCOM) is to prepare globally-minded, community-focused physicians to meet the needs of rural and medically underserved populations and promote research to improve human health. | Public charity· 501(c)(3) Research & Policy VA Latest filing: 2024 | Total$289.9M | Total$268.1M | |
| California Independent System Operator Corporation To ensure efficient use and reliable operation of the electric transmission GRID operated by the california ISO, consistent with the california public utility code, chapter 2.3 part 1, division 1. (continued on schedule o.)the ISO does not own transmission facilities, but it controls the operation of a network of transmission facilities located throughout most of california, and also certain transmission facilities located in nevada, the owners of which have transferred operational control to the california ISO. For the benefit of our customers, we:- operate the GRID reliably and efficiently;- provide fair and open transmission access;- promote environmental stewardship; and- facilitate effective markets and promote infrastructure development, ALL through the provision of timely and accurate information. | Public charity· 501(c)(3) Research & Policy CA Latest filing: 2024 | Total$285.9M | Total$292.8M Lobby$72K | |
| BNY Mellon Charitable Gift Fund BNY mellon charitable gift fund is a 501(c)(3) which promotes philanthropy by receiving charitable contributions, by providing support to encourage the making of charitable contributions, pooling such contributions for investment management and administrative purposes, and by making gifts to organizations which are dedicated to charitable, scientific, literary and educational purposes. | Public charity· 501(c)(3) Foundations MA Latest filing: 2024 | Total$284.9M | Total$729.3M | |
| Service Employees International Union SEIU is a large international labor organization. It is first and foremost an association of workers who have joined together to protect and promote the interests of its members and ALL workers by bargaining collectively with their employers to secure better working conditions, wages and similar benefits. SEIU believes in and will fight for a just society where ALL workers are valued and people respected, where ALL families and communities thrive, and where we leave a better and more equal world for generations to come. SEIU full mission statement is SET forth in its constitution and bylaws. | Labor· 501(c)(5) DC Latest filing: 2024 | Total$280.8M | Total$327.9M Electing$35.7M | |
| The Jewish Federations of North America INC The federation movement protects and enhances the well-being of JEWS worldwide through the values of tikkun OLAM (repairing the world), tzedakah (charity and social justice) and torah (jewish learning). The jewish federations of north america leads a continental federation movement to mobilize financial and social resources through philanthropic endeavors, strategic initiatives and international agencies that strengthen the jewish people. | Public charity· 501(c)(3)Fed auditsIRS 990 Foundations NY Latest filing: 2023 | Total$278.7M | Total$283.0M Lobby$1.0M | |
| Hawaii Dental Service See schedule o. | Social welfare· 501(c)(4) HI Latest filing: 2024 | Total$275.3M | Total$247.2M | |
| International Union United AUTO Aerospace & Agricultural Workers Collective bargaining, meetings, education, communication, organizing new bargaining units, community action, administration of the organization, maintenance of its properties and assets, delivery of benefits to members, fraternal and social activities, support of unaffiliated and/or subordinate organizations and related activities which further the common interests of the membership. | Labor· 501(c)(5) MI Latest filing: 2024 | Total$273.0M | Total$240.4M | |
| California Community Foundation Our mission is to lead positive systemic change that strengthens LOS angeles communities. We envision a future where ALL angelenos have the opportunity to contribute to the productivity, health and well-being of our region. And we believe that our common FATE will be determined by how successfully we improve the quality of life for ALL of our residents. The impact we help create is of, by and for LOS angeles, because the community is our foundation. | Public charity· 501(c)(3)Fed auditsIRS 990 Foundations CA Latest filing: 2023 | Total$270.7M | Total$376.6M | |
| The Clear Fund Givewell is dedicated to finding and funding outstanding giving opportunities in global health and development, sharing the full details of our analysis with everyone for free. | Public charity· 501(c)(3) Foundations CA Latest filing: 2024 | Total$269.5M | Total$183.7M | |
| The SAN Diego Foundation The SAN diego foundation inspires enduring philanthropy and enables community solutions to improve the quality of life in our region. | Public charity· 501(c)(3) Foundations CA Latest filing: 2023 | Total$268.7M | Total$159.7M Lobby$15K | |
| Consumer Reports INC We are an independent, nonprofit organization that works side by side with consumers for truth, transparency, and fairness in the marketplace. | Public charity· 501(c)(3) Research & Policy NY Latest filing: 2024 | Total$266.1M | Total$264.4M | |
| Educational Credit Management Corporation Educational credit management corporation (ECMC) provides financial counseling and education to empower students to make better choices about their futures. | Public charity· 501(c)(3) Research & Policy MN Latest filing: 2024 | Total$265.0M | Total$261.6M | |
| ISO New England INC The corporation is organized and operated exclusively for charitable purposes including the following: to (i) maintain the reliability of the BULK power and transmission system in new england by, among other functions, exercising operational authority over the BULK transmission facilities, (II) administer and seek to enhance sustainable, competitive and efficient energy markets, and (III) provide NON-discriminatory, open-access transmission service. | Public charity· 501(c)(3) Environment MA Latest filing: 2024 | Total$264.6M | Total$264.6M | |