Best Large Grants for Nonprofit Organizations in Connecticut

The AWWA Scholarship Program, specifically the Mueller HBCU Scholarship, supports undergraduate students from historically black colleges and universities pursuing careers in the water sector. Offered by the American Water Works Association (AWWA), this scholarship recognizes the vital role of future professionals in addressing water industry challenges. AWWA aims to invest in students who will contribute to sustainable water management and innovation within their communities.

The 2026 National Urban and Community Forestry Challenge Cost Share Grant Program aims to tackle economic, health, and environmental issues in communities through innovative tree resource utilization. By transforming wood from various sources into valuable products like lumber and biochar, this initiative promotes local economies and enhances community resilience. Projects should align with community forestry plans, adhere to safety standards, and provide job creation opportunities, ultimately fostering sustainable urban forest management and utilization.

Tee It Up for the Troops Grant supports 501(c)3 organizations that aid military personnel and their families. Prioritizing employment, family support, housing, PTSD treatment, sports rehabilitation, and suicide prevention, the grant aims to enhance the lives of veterans. Organizations that do not engage in fundraising events are eligible for funding. This initiative seeks to create a positive impact within the military community through various support pillars.

The Opioid Crisis Response Program Fellowship, offered by Equal Justice Works, addresses the opioid epidemic by mobilizing public interest lawyers to provide vital civil legal aid to underserved communities affected by Opioid Use Disorder. This two-year fellowship enables attorney fellows to advocate for clients' rights, reduce barriers to treatment, and enhance community education about legal impacts. Through collaboration with various stakeholders, the program aims to improve health outcomes and foster systemic change in the fight against this public health crisis.

Disabled Veterans National Foundation

The Disabled Veterans National Foundation (DVNF) was established in 2007 to support veterans facing challenges that traditional systems could not fully address. From its earliest days, DVNF has been focused on closing critical gaps in care and providing resources that help veterans rebuild their lives with dignity and stability.

Guided by this commitment, DVNF developed its Health & Comfort programs, offering emergency financial assistance, housing transition support, food assistance, comfort kits, and wellness initiatives. These programs are designed to meet veterans where they are and to provide practical solutions that restore hope and stability. Today, DVNF continues to grow as a trusted national nonprofit. Every day, our team works with a clear purpose: to change lives for the men and women who have served our country.

Homeless To Housing Program - Household Comfort Support

DVNF is dedicated to assisting disabled and at-risk veterans in their transition from homelessness to permanent housing. Recognizing that securing a home is a significant milestone, DVNF understands that true stability is achieved when a house becomes a home, furnished with essential items that provide comfort and functionality. We help cover essential costs related to securing and creating comfortable housing for at-risk veterans.

The H2H Program offers comprehensive support to veterans by providing: Household Comfort Support of up to $2,000 worth of essential household items to ensure veterans have a stable, safe, and comfortable living environment.

For Financial Assistance: Payments are processed through two payment cycles each month, around the 15th and 30th. For Furniture Assistance: Once the List of Items form is completed, DVNF staff will purchase the requested items, which should arrive within 7-10 business days.

The Chemical Countermeasures Research Program (CCRP) Initiative aims to support vital research on the harmful effects of acute exposure to Ultra-Potent Synthetic (UPS) opioids, including fentanyl and its combinations. This funding opportunity encourages studies that enhance understanding and mitigation strategies for these substances, focusing on both immediate and long-term health impacts. Applications are due by 5:00 PM local time, with optional Letters of Intent accepted 30 days prior to the proposal deadline.

The Nicholas B. Ottaway Foundation offers grants through its Education Committee to support programs enhancing educational opportunities for economically disadvantaged students. These grants focus on initiatives like tutoring, college preparation, and internship programs. To qualify, organizations must be tax-exempt under 501(c)(3). Preference is given to projects that provide ongoing support to students post-graduation, particularly in specific geographic areas such as San Diego County and the New York Metropolitan Area.

The AWWA Hazen Scholarship supports graduate-level candidates dedicated to improving water quality and resources. Awarded by the American Water Works Association, this scholarship aims to empower future leaders in the water industry. Candidates must demonstrate commitment to addressing critical challenges in drinking water, water reuse, and sustainable practices. This initiative reflects AWWA's mission to invest in the next generation of water supply professionals, ensuring a sustainable future for water resources.

The FY25-FY26 Advanced Transportation Technology and Innovation (ATTAIN) grant program aims to enhance transportation through the deployment of innovative technologies. It focuses on improving safety, mobility, and efficiency while fostering economic competitiveness. Projects funded will prioritize core infrastructure improvements and address roadway congestion, aligning with the Trump Administration's goals. The program emphasizes economic opportunities and community benefits, ensuring that selected projects contribute positively to families and communities, ultimately enhancing their quality of life.

The HDR One Water Institute Scholarship, offered by the American Water Works Association, provides $10,000 in funding to support graduate students pursuing degrees that will lead to careers as consultants in the water industry. This initiative highlights the importance of investing in future water professionals and fostering innovative research to address pressing water challenges.

About the ASHFoundation

ASHFoundation supports innovators and sparks innovation in communication sciences. We give early support to promising students, researchers, and clinicians exploring bold ideas to transform the field and improve people's lives.

Frank R. Kleffner Lifetime Clinical Career Award

The Frank R. Kleffner Lifetime Clinical Career Award recognizes an individual’s outstanding contributions to communication sciences and disorders over a period of at least 20 years. The lifetime contribution may have been in clinical service, supervision or administration of clinical service, clinical research, or any other activity that has promoted clinical excellence.

The award is given in honor of Frank R. Kleffner, a former ASHFoundation president and former ASHA president, who worked tirelessly over his lifetime until his passing in 2015 to professionalize and expand the ASHFoundation’s charitable goals.

The awardee receives a commemorative art object with a recognition plaque.

The RMEF Grant Program lies at the core of advancing our mission.

RMEF established the program in 1986 to provide financial and logistical support to projects that align with our priorities and goals. Grant funds raised by RMEF members, volunteers and generous donors from across the country translate into significantly more conservation accomplishment when matched with partner funds. The RMEF Grant Program also aims to build recognition for RMEF’s work, grow engagement, and boost local fundraising efforts.

Governed by clear guidelines and criteria, the RMEF Grant Program seeks to foster meaningful collaborations and long-term impacts in the conservation of natural resources and outdoor traditions. Grant project partners include federal, state, local, and tribal wildlife and land management agencies, private landowners and local stakeholders, sportsmen and women, and conservation organizations, universities, foundations and the outdoor industry. Eligible projects primarily focus on habitat stewardship, land conservation and access, wildlife management, and hunting heritage.

We support organizations recognized by the Internal Revenue Service (IRS) as a 501(c)3 entity, federal, state, local, or tribal government entities, sportsmen’s organizations, or educational institutions. All applicants must have a Federal Employer Identification Number (EIN) issued by the IRS. RMEF does not offer grants to individuals.

Hunting Heritage

Ensuring our hunting heritage is central to RMEF’s mission. Hunters—America’s first conservationists—remain the driving force behind wildlife conservation. RMEF funds hunting heritage and conservation education to help more people experience the outdoors, learn the skills of hunting, and carry forward the traditions that define big game country, including outdoor skills programs/events, hunter or conservation outreach, mentored hunts, and other similar activities.

Disabled Veterans National Foundation

The Disabled Veterans National Foundation (DVNF) was established in 2007 to support veterans facing challenges that traditional systems could not fully address. From its earliest days, DVNF has been focused on closing critical gaps in care and providing resources that help veterans rebuild their lives with dignity and stability.

Guided by this commitment, DVNF developed its Health & Comfort programs, offering emergency financial assistance, housing transition support, food assistance, comfort kits, and wellness initiatives. These programs are designed to meet veterans where they are and to provide practical solutions that restore hope and stability. Today, DVNF continues to grow as a trusted national nonprofit. Every day, our team works with a clear purpose: to change lives for the men and women who have served our country.

Homeless To Housing Program - Financial Assistance

DVNF is dedicated to assisting disabled and at-risk veterans in their transition from homelessness to permanent housing. Recognizing that securing a home is a significant milestone, DVNF understands that true stability is achieved when a house becomes a home, furnished with essential items that provide comfort and functionality. We help cover essential costs related to securing and creating comfortable housing for at-risk veterans.

The H2H Program offers comprehensive support to veterans by providing: Financial Assistance of up to $2,000 to cover essential costs related to securing permanent housing, such as security deposits and initial rent payments.

For Financial Assistance: Payments are processed through two payment cycles each month, around the 15th and 30th. If your payment is delayed beyond the expected date, a Promissory Note of Payment will be issued to the vendor, confirming our organization's responsibility and requesting that no penalties be applied to the applicant.

The Smart Growth America Community Connectors Grant Program supports small and mid-sized cities in addressing divisive infrastructure caused by dangerous roads. With funding from the Robert Wood Johnson Foundation, this program aims to reconnect communities through temporary street safety projects while fostering skills and partnerships. Eligible teams must represent populations of 50,000 to 500,000 and include both government and community-based organizations. Priority will be given to projects benefiting low-income communities historically affected by disinvestment.

Joseph G Markoly Foundation Inc

When Joseph Markoly originally established the foundation more than thirty years ago, its focus was on Alzheimer’s and heart disease support, funded through a number of the larger national disease-related organizations. Over time the focus has shifted to helping small to mid-size organizations in our local communities which support children and seniors in a variety of effective ways. 

Markoly Foundation was established in honor of Joseph G. Markoly, an entrepreneur and philanthropist who wanted to make a positive impact in people’s lives. Joseph’s family was affected directly by both Alzheimer’s and heart disease having lost a family member to each condition. For that reason, the foundation dedicates a majority of their resources to providing grants to organizations that focus on the treatment of each of these diseases. In addition, Markoly Foundation supports a variety of programs dedicated to helping children and seniors by providing services, supplies, programs and research in areas impacting these demographics.

Joseph G. Markoly Foundation Grant Support for Elder Organizations

The Markoly Foundation takes pride in supporting local organizations that provide services for elders in our community. Seniors face a number of challenges that come with aging, especially when they don’t have loved ones who are able to assist them with their needs. We provide grants for a variety of senior-related programs from Caregiver Education and Support to Emergency Meal Delivery and Transportation Services.

We are dedicated to providing funding for local nonprofit programs that improve the quality of life for all, but particularly for the children and elders in our community.

The Philadelphia Chromosome Negative Myeloproliferative Neoplasms (MPN) Grant, offered by the Patient Advocate Foundation, provides crucial financial assistance to patients facing this cancer type. It covers out-of-pocket healthcare costs, including medication copays and insurance premiums, ensuring those affected can access necessary treatments. With a focus on personalized case management, the foundation has supported millions in navigating their healthcare needs, emphasizing the importance of timely and affordable care for patients diagnosed with MPN.

Loene Pooler Guthrie Scholarship Fund

The Loene P. Guthrie Scholarship fund benefits music students in Benton, Linn, and Lincoln counties who plan to engage in the teaching of piano, voice, and orchestral music.

This scholarship fund promotes the teaching of piano, voice and orchestral music by aiding music students in Benton, Linn, and Lincoln Counties who plan to engage in the teaching of piano, voice, and orchestral music. Students who will graduate from Linn, Benton, or Lincoln County high schools or graduates of those high schools currently studying music at an institution of higher learning may apply. The Linn-Benton Chapter of the Oregon Music Teachers Association reviews the applications and selects individuals to perform at an audition open to the public.

The Lilah Hilliard Fisher Foundation Grant offers year-round funding for initiatives focused on regenerative agriculture and nutrition education, particularly in New York City and Litchfield County, Connecticut. Emphasizing support for human trafficking survivors, youth development, and social justice, the Foundation seeks projects that align with these priorities. Eligible organizations must be 501(c)(3) tax-exempt entities, with some multi-year grants available. Notably, proposals outside the specified areas are by invitation only.

This funding opportunity invites Small Business Technology Transfer (STTR) grant applications aimed at developing FDA-regulated medical products for patients with opioid and stimulant use disorders. Projects may focus on pharmacotherapeutics or diagnostic devices, including software. The initiative seeks to address the ongoing opioid crisis by supporting innovations that enhance treatment options for individuals and communities affected by these disorders.

The David Moses Bridges Scholarship honors the legacy of a renowned Passamaquoddy artist and activist, providing essential support for individuals dedicated to the preservation of Wabanaki culture, traditional arts, and environmental stewardship. This scholarship aims to foster connections between master artists and apprentices, promote research on David's impactful life and work, and protect culturally significant natural spaces. It empowers artists and scholars to continue the vital work of preserving indigenous knowledge and practices for future generations.

Sun Life’s Health Access Grant Program aims to enhance access to health services, specifically targeting diabetes and oral health in local communities. With funding options ranging from $25,000 to $100,000, this program supports 501(c)(3) charities focused on diabetes prevention, management, and oral health care. By fostering access to essential health services, Sun Life is committed to building healthier communities and addressing health disparities faced by underprivileged populations.

The Rockfall Foundation is accepting applications for its 2026 Annual Environmental Grants Program, aimed at non-profit organizations, municipalities, and schools. This program supports projects focused on environmental conservation, restoration, and education in the Lower Connecticut River Valley. Eligible expenses include materials, transportation, and program fees. Projects must demonstrate a clear benefit to the environment and align with the foundation's priorities, including environmental justice and youth engagement.

The Strengthening Services to Prevent the Infectious Disease Consequences of Drug Use initiative aims to enhance prevention services for infectious diseases among people who use drugs (PWUD). It encompasses two components: a biennial survey to assess service gaps and capacity, and increased support for testing and treatment services. The initiative seeks to improve data utilization in service provision, ultimately increasing testing for HBV, HCV, and HIV, and ensuring more PWUD engage in treatment and care.

The NALMS Achievement Awards: Secchi Disk Award recognizes outstanding contributions to lake management by its members. NALMS aims to unite citizens, scientists, and professionals to ensure the protection and management of lakes and reservoirs. This prestigious award is open to NALMS members, with nominations encouraged from any individual or entity. However, current board and committee members are ineligible. The award celebrates those who significantly advance NALMS's goals and objectives in fostering lake ecosystem awareness and management.

The Jim Flynn Outstanding Corporation Award, presented annually by NALMS, honors the corporation that has made significant contributions to advancing lake management goals. This award emphasizes the importance of facilitating information exchange, promoting public awareness of lake ecosystems, and supporting management programs at all levels. Eligible nominations can come from any individual or entity, focusing on achievements in lake and reservoir management. Notably, current NALMS board members and awards committee members are excluded from eligibility.

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.

Healthcare Access Initiative

The Healthcare Access Initiative, supported by the McKesson Foundation and administered by the NAFC, aims to expand access to essential healthcare services for uninsured and medically underserved individuals. Free and charitable clinics and pharmacies play a critical role in ensuring that patients who fall outside traditional healthcare systems can receive timely, high-quality care. However, many clinics face barriers related to staffing, care coordination, technology, and patient outreach that limit their ability to meet growing community needs. Through this initiative, NAFC will provide $20,000 grants to member clinics and pharmacies to strengthen programs that increase access to primary care, specialty services, and preventive care. Funding will support innovative and practical approaches that reduce barriers to care, improve patient engagement, and expand the capacity of clinics to serve vulnerable populations.

The Educational Incentive Award Application by the Cooley’s Anemia Foundation aims to support children of individuals with severe thalassemia in pursuing their educational and career aspirations. With a total funding of $10,000 for the 2025-2026 school year, awards range from $500 for two-year programs to $1,000 for higher degree studies. Eligible applicants must be diagnosed with specific thalassemia types and provide necessary documentation, including a 250-word essay detailing their educational goals.