Best Unrestricted Grants for Nonprofits in Oklahoma

Nonprofit 501(c)(3) and 509(a) organizations providing education, human services, health, environmental, or cultural programs, including those in Oklahoma, can apply for McGraw Foundation's unrestricted and project support grants. Grants of US $2,000 - US $10,000 may fund general operations, specific projects, or occasional capital needs for qualifying U.S. organizations.

Graduate students conducting research in drinking water quality, environmental science, or public health can receive US $3,000 to advance timely, actionable projects through the Dr. Philip C. Singer Scholarship. Focused on water-related challenges, American Water Works Association invites researchers, including those whose work may benefit Oklahoma communities, to apply for this academic scholarship opportunity.

Oklahoma nonprofits seeking unrestricted or project-based support for human services, education, community enhancement, or journalism can apply for funding that includes general operating, one-time project, capital campaign, and sponsorship grants. Focused on strengthening community impact, Inasmuch Foundation invites organizations to request support once per 12-month period through its online grants portal.

Oklahoma 501(c)(3) nonprofits and independent emergency response organizations can access funding for program-specific work, not general operations, through the Union Pacific Foundation Community Ties Giving Program. Grants of US $5,000 - US $30,000 support safety, workforce development, community vitality, and environmental sustainability projects serving communities on the Union Pacific rail network.

Nonprofit 501(c)(3) organizations, public institutions, and qualified government entities serving Weyerhaeuser communities in Oklahoma can seek flexible support for local priorities. Weyerhaeuser Giving Fund backs programs in areas like affordable housing, education and youth development, environmental stewardship, human services, civic and cultural growth, workforce development, and diversity, equity and inclusion, with awards of more than US $1,000.

Nonprofit organizations in Oklahoma addressing women’s and children’s immediate and long-term needs can seek funding for programs such as homelessness services, education, food security, health care, and disaster relief. The Father's Table Foundation provides highly selective grants, up to US $750,000, to partners with a strong service record and scalable, self-sufficiency-focused projects.

Nonprofit organizations in Oklahoma seeking support for operations, programs, capital projects, or capacity building can apply for funding from the Mary K Chapman Foundation. Grants from US $1,000 - US $10,000,000 are available for arts and culture, education, healthcare, social services, civic initiatives, and nature and wildlife conservation projects.

Health and human service 501(c)(3) organizations in Oklahoma can apply for up to US $10,000 to support community health, basic needs, and social services programs. Grants from Employees Community Fund of The Boeing Company help Oklahoma nonprofits provide services such as youth development, homeless support, food distribution, and disease treatment and prevention.

Undergraduate-focused higher education institutions in Oklahoma conducting biomedical and health-related research can receive up to US $375,000 to support small-scale projects and enhance their research environment. US Dept. of Health & Human Services: National Institutes of Health supports work in areas like neuroscience, public health, cancer, HIV/AIDS, mental health, nursing, and related fields, including AIDS-related studies.

Early-career medical and health research faculty in low- or middle-income countries, including those collaborating with Oklahoma-based nonprofits, can seek NIH Emerging Global Leader Award support for mentored clinical research and career development. Grants from the US Dept. of Health & Human Services: National Institutes of Health provide approximately US $140,000 and three to five years of protected research time in eligible LMIC institutions.

Early-career research scientists holding junior faculty positions at academic or research institutions in eligible low- or middle-income countries, including Oklahoma-based LMIC institutions, can apply for the Emerging Global Leader Award from the National Institutes of Health. Awards of approximately US $140,000 support three to five years of mentored health-related research and career development aligned with their country’s health priorities.

Focused on education and related community programs, 501(c)(3) nonprofits, including those in Oklahoma, can seek grants from the John Ben Snow Memorial Trust for scholarships, tutoring, youth initiatives, arts education, and community services. Awards range from US $5,000 - US $20,000, with a Letter of Inquiry required before full application.

Oklahoma nonprofits, institutions, and similar organizations can seek funding for congresses, events, or initiatives that offer Biogen tangible benefits such as exhibit space, banners, or marketing opportunities. Biogen Foundation considers medical and scientific topics including neurology, Alzheimer’s, Parkinson’s, multiple sclerosis, ALS, stroke, and related disease areas; requests must be submitted 50 days before a funding decision is needed.

Nonprofit 501(c)(3) organizations, including those in Oklahoma, can receive US $5,000 - US $50,000 in general operating support for grassroots work in regenerative agriculture, climate justice, healthy food access, and related environmental initiatives. Focused on community-based change, Clif Family Foundation prioritizes smaller U.S. groups with strong local ties and under $8MM operating budgets.

Nonprofit and conservation organizations supporting regenerative agriculture and habitat conservation in Oklahoma can seek US $250,000 - US $750,000 to provide technical assistance to private landowners. National Fish and Wildlife Foundation supports land and water conservation by funding management planning, best-practice implementation, Farm Bill participation, and sharing of lessons learned across key agricultural and wildlife habitats.

Nonprofit organizations in Oklahoma running community-focused projects in areas like STEM education, economic opportunity, digital access, sustainability, health, or arts and culture can apply for Meta’s Data Center Community Grants, with awards of more than US $5,000. Eligible projects must directly benefit communities surrounding a Meta data center, including parts of Mayes County, Oklahoma.

Free and charitable clinics in Oklahoma that are NAFC members can apply for the Healthcare Services Expansion Fund, with awards of US $30,000 - US $50,000 to launch or grow clinical programs for underserved patients. Funding from the National Association of Free and Charitable Clinics can cover salaries, overhead, and direct patient care for expanded services.

Students pursuing natural resource and environmental fields in Oklahoma can receive scholarship support for full-time study through the Community Foundation of Northern Illinois. With a mission to support higher education in conservation-related disciplines, this scholarship helps future professionals in areas like ecology, forestry, hydrology, and environmental stewardship complete two- or four-year degrees.

Oklahoma government units, public higher education components, certain municipal organizations, and qualifying sole-source nonprofits can receive US $5,000 - US $50,000 for solid waste, recycling, and composting equipment purchases. Oklahoma Department of Environmental Quality provides Oklahoma waste management entities with one-time equipment funding, requiring storage and maintenance plans plus invoicing, photos, and performance metrics.

The OECD Conference Sponsorship aims to enhance scientific knowledge and provide essential information to influence policy decisions on sustainable resource use in food, agriculture, forestry, and fisheries. It supports international events that showcase innovative research and developments, inviting applications from scientists in these fields. The event sponsorship encourages collaboration among policymakers, industry, and academia, ensuring that research insights are effectively communicated and utilized in decision-making processes.

The RNRF Planning and Small Grants program provides funding up to $50,000 to support projects that enhance collaboration among community partners in addressing critical environmental issues. Eligible applicants must be 501c3 organizations in the U.S. and demonstrate multidisciplinary cooperation. Projects should align with RNRF's mission and focus areas, including air quality, biodiversity, and renewable energy. The initiative aims to create sustainable and impactful outcomes by bridging research and practical implementation.

The RNRF Rapid Response Grants provide essential funding up to $50,000 for projects adversely affected by the loss of federal support. The program aims to foster collaboration among organizations working towards sustainable environmental, social, and economic practices. Eligible applicants must be 501(c)(3) organizations in the U.S. and demonstrate multidisciplinary collaboration with RNRF member organizations, ensuring impactful outcomes in critical focus areas such as air quality, biodiversity conservation, and renewable energy.

The RNRF Implementation/Collaboration Grants support innovative projects that enhance collaboration among stakeholders to address critical challenges in environmental, social, and economic systems. Offering up to $200,000 for initiatives lasting 12 months or more, these grants aim to implement evidence-based practices and facilitate multidisciplinary teamwork. Eligible applicants must be from 501c3 organizations in the U.S., ensuring alignment with RNRF's mission and focus areas, fostering sustainable and impactful outcomes.

The Siletz Tribal Charitable Contribution Fund, established by the Confederated Tribes of Siletz Indians, has distributed over $16.3 million in grants since 1999. It supports charitable organizations and local governments in eleven Oregon counties, as well as Native American initiatives across the U.S. The fund prioritizes education, health, public safety, addiction prevention, housing, arts, and environmental preservation, ensuring the Tribe's commitment to community support and cultural heritage.

RBC Foundation – USA aims to enhance community quality of life by supporting non-profit organizations that promote diversity and positive change. In 2023, it awarded over $2.8 million in grants, prioritizing youth programs for ages 15-29, arts access for diverse populations, and mental well-being initiatives. The foundation encourages sustainable projects that foster economic independence, providing critical support for education, mental health, and cultural enrichment, thereby making a significant impact across various communities.

The Regional Conservation Partnership Program (RCPP) Classic for FY 2026 encourages collaboration between the NRCS and partners to address critical natural resource concerns through innovative projects. By co-investing with partners, the program aims to enhance conservation efforts on farms and private lands, ensuring equitable access to NRCS services. Selected proposals will be based on their potential impact and effective partnership management, ultimately improving environmental outcomes across designated Critical Conservation Areas.

The Anne and Henry Zarrow Foundation focuses on uplifting vulnerable populations through targeted grantmaking in Oklahoma, particularly the Tulsa area. Their mission emphasizes alleviating homelessness, improving healthcare access, supporting social services, and reducing hunger. Additionally, they provide funding for educational initiatives and community enrichment projects. The foundation prioritizes projects that empower individuals and foster community engagement, reflecting the founders' commitment to building a supportive and inclusive society.