Best Operating Grants for Nonprofits in Connecticut

Tax-exempt 501(c)(3) and 509(a) nonprofits offering education, human services, conservation, health, or cultural programs in the greater Chicago area can receive US $2,000 - US $10,000 for general operating support, projects, or occasional capital needs. McGraw Foundation provides single-year grants, which may benefit Connecticut organizations partnering or operating in this region.

Nonprofit 501(c)(3) organizations in Connecticut can seek funding for programs, capacity building, or capital projects that enhance community quality of life. Focused on education, housing, basic human services, and community impact, Northwest Community Bank Foundation offers grants up to US $25,000 to organizations serving Northwest Community Bank communities.

Graduate students researching drinking water quality, environmental science, or public health can receive US $3,000 to advance projects with actionable outcomes for the water industry. Focused on water-related research, American Water Works Association invites students, including those connected to Connecticut institutions or communities, to apply for the Dr. Philip C. Singer Scholarship.

Nonprofit 501(c)(3) organizations and educational institutions working on environmental conservation and stewardship in the Long Island Sound watershed in Connecticut can apply for grants from the New York Community Trust, ranging from US $15,000 - US $200,000. Funding supports projects that restore and protect Long Island Sound’s health, habitats, and surrounding communities.

With a mission to support environmental sustainability, American Honda Motor provides Connecticut nonprofits and schools with US $25,000 - US $100,000 for programs in decarbonization, clean energy, and efficient use of natural resources. Eligible 501(c)(3) organizations and school districts serving Connecticut communities where Honda associates live and work may use this for programmatic operating support.

Agricultural producers and land stewards in Connecticut can receive operating payments to maintain and enhance conservation practices on working lands through the Conservation Stewardship Program. Focused on environmental conservation and sustainable agriculture, USDA Natural Resources Conservation Service invites eligible operators to develop five-year plans that improve soil, water, air quality, and wildlife habitat while strengthening their operations.

Connecticut 501(c)(3) nonprofits and governmental agencies serving Branford can seek funding for community programs, capacity building, and new initiatives. Focused on basic needs, health, education, arts, environment, youth, and civic engagement, Branford Community Foundation invites applications that address documented local needs and measurably improve quality of life in Branford.

Nonprofit charitable organizations in Connecticut working on community development, education, workforce preparation, or basic human needs can apply for Keybank Foundation support, with awards ranging from US $10,000 - US $25,000. Grants from Keybank Foundation help strengthen affordable housing, homeownership, small business growth, financial literacy, and academic and career success initiatives.

Nonprofit organizations in Connecticut hosting single events or event series that benefit the Branford community can seek sponsorship support for qualifying activities. Branford Community Foundation supports community-focused events in Connecticut by partnering with GSB to fund opportunities that offer meaningful local impact, positive visibility, and strong audience engagement, separate from regular program or operating support.

Nonprofit organizations serving women and children with humanitarian, education, or self-sufficiency programs in Connecticut can access funding through The Father's Table Foundation. Grants up to US $750,000 support projects such as homelessness services, employment assistance, child welfare, health care, microfinance, and disaster relief, and may help strengthen or expand operating capacity for proven service providers.

Agricultural producers, forest landowners, Tribes, and water management entities in Connecticut can receive technical and financial assistance to implement conservation practices on working lands. Grants from USDA Natural Resource Conservation Service help improve water and air quality, conserve soil and water, enhance wildlife habitat, and increase resilience to drought and extreme weather, which may benefit nonprofit conservation partners.

Nonprofit organizations and municipal entities in Connecticut can seek operating and program support for health, housing, food access, and environmental justice initiatives. Connecticut Community Foundation supports efforts addressing health disparities, safe and affordable housing, food security, behavioral health, and environmental clean-up, with grants ranging from US $5,000 - US $15,000, especially within its 21-town service area.

Connecticut 501(c)(3) nonprofits running education, environmental, human services, or community vitality programs can seek project support through Dominion Energy Charitable Foundation grants, typically ranging from US $1,000 - US $15,000. With a mission to strengthen communities, Dominion Energy Charitable Foundation provides two annual online grant cycles for organizations in its Connecticut service area.

Undergraduate-focused higher education institutions in Connecticut conducting small-scale biomedical research can apply for funding to expand research opportunities and strengthen their research environment. The National Institutes of Health provides support for projects in areas such as public health, neuroscience, cancer, mental health, HIV/AIDS, and related biomedical fields at baccalaureate degree–granting institutions with limited prior NIH funding.

Grants from the Cornelia T. Bailey Charitable Trust help Connecticut 501(c)(3) public charities with general operating or program support in arts, education, environmental ingenuity, medical research, and veterans initiatives. Eligible nonprofits must serve residents in the foundation’s active regions and align with its mission to better the world through nature and the sciences.

Early-career medical and health researchers at academic or research institutions in low- or middle-income countries can apply for the Emerging Global Leader Award to support mentored clinical research and career development. Grants from the National Institutes of Health help scientists build independent research careers that may complement Connecticut nonprofits partnering on global health initiatives; awards are approximately US $140,000.

Early-career research scientists in low- or middle-income countries with junior faculty posts can apply for the Emerging Global Leader Award from the National Institutes of Health, providing approximately US $140,000 for mentored health research career development. Connecticut-based nonprofits hosting or partnering with eligible LMIC investigators may benefit through collaborative global health projects.

Nonprofit 501(c)(3) organizations seeking program or operating support for education-focused work in Connecticut may be eligible for grants of US $5,000 - US $20,000. Focused on educational opportunities for financially needy, high-aptitude individuals, John Ben Snow Memorial Trust also considers related community, youth, arts, environmental, and historic preservation initiatives with an educational component.

Qualified undergraduate and graduate students at accredited Connecticut colleges and universities can receive US $1,500 to support research expenses in wetland and aquatic science fields. Grants from Connecticut Association of Wetland Scientists help Connecticut researchers fund materials, equipment, travel, publication, and field assistants for studies in ecology, invasive species, geomorphology, limnology, watershed science, or wetland law and policy.

Connecticut 501(c)(3) organizations running education, environmental, health, arts, or community programs can apply for Ensign-Bickford Industries’ Ensign-Bickford Foundation Grant, with awards up to US $5,000 for project-based support. Nonprofits in Hartford County and other listed company communities may be especially competitive, including those engaging Ensign-Bickford employees as volunteers.

Biogen Corporate Sponsorships provide funding to support congresses, events, and initiatives in exchange for tangible benefits such as marketing opportunities and recognition. Applications are reviewed on a rolling basis, and requests must be submitted 50 days in advance. Biogen considers various disease areas for sponsorship, including Alzheimer’s and Multiple Sclerosis. Approval depends on funding availability, alignment with interests, and event details, ensuring transparency for all potential sponsors.

The Clif Family Foundation Open Call invites 501(c)(3) organizations to apply for grants supporting general operating costs or specific projects. With a focus on regenerative farming, food worker health, climate justice, and food access, the foundation aims to empower grassroots initiatives. Grants range from $5,000 to $50,000, with applications reviewed twice a year. Deadlines are March 1 and August 1, and announcements occur about four months post-deadline.

The William P. Wharton Trust Grant supports projects that align with the vision of its patron, focusing on tangible outcomes. It prioritizes land conservation efforts that protect natural resources over recreational use. The Trust aims to leverage funds for impactful environmental initiatives and encourages collaboration among organizations. Eligible applicants include public charities and governmental units, while grants are limited to direct project costs. Notably, the Trust avoids funding for overhead, construction, and educational programs for youth below college level.

The Long Island Sound Futures Fund (LISFF) is offering approximately $12 million in grants to enhance the health and living resources of Long Island Sound. Managed by the National Fish and Wildlife Foundation (NFWF) in collaboration with the U.S. EPA and the Long Island Sound Study (LISS), this initiative seeks innovative proposals to support environmental restoration efforts, leveraging major funding from various agencies and foundations.

The Soil and Water Stewardship Scholarship, sponsored by the Community Foundation of Northern Illinois, provides financial support to students pursuing careers in natural resources. Applicants must reside in specific Illinois counties and plan to enroll in a full-time program related to fields such as ecology, hydrology, and conservation. Academic performance is a key consideration in the selection process. For more details, contact the Winnebago County Soil & Water Conservation District.

NAFC Open Grant/Product Donation Applications

The National Association of Free and Charitable Clinics (NAFC) is the only nonprofit 501c(3) organization whose mission is solely focused on the issues and needs of the medically underserved throughout the nation and the more than 1,400 Free and Charitable Clinics that serve them. The NAFC has earned the Platinum Seal of Transparency from GuideStar and a 4-Star rating from Charity Navigator. Founded in 2001 and headquartered near Washington, D.C., the NAFC is working to ensure that the medically underserved have access to affordable quality healthcare and strives to be a national voice promoting quality healthcare for all. For more information about the NAFC, including how to become a member, please visit https://www.nafcclinics.org.

NAFC Healthcare Services Expansion Fund

The NAFC Healthcare Services Expansion Fund supports the launch or expansion of clinical programs and new service areas that increase access to care for underserved patients. This funding is designed to help NAFC members introduce new services or grow existing programs that address unmet community health needs and improve access to comprehensive, patient-centered care.

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.