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New Haven, CT · 30-mile radius

Full 501(c)(3) Registry

Every active 501(c)(3) nonprofit registered with the IRS in the greater New Haven area — 7,738 organizations, sourced from the IRS Exempt Organizations Business Master File.

Showing 2,701–2,750 of 7,738 organizations

OrganizationCategoryView
Haddam Killingworth Youth Lacrosse Association

Killingworth, CT

YouthView
Hope Alliance For Animals

Killingworth, CT

AnimalsView
Kelly Allard Leach Foundation For Children With Spinal Injuries INC

Killingworth, CT

OtherView
Killingworth Ambulance Association INC

Killingworth, CT

OtherView
Killingworth Historical Society

Killingworth, CT

ArtsView
Killingworth Land Conservation Trust INC

Killingworth, CT

OtherView
Killingworth Library Association INC

Killingworth, CT

EducationView
Killingworth Lions Charities INC

Killingworth, CT

OtherView
Killingworth Nursery School Association

Killingworth, CT

OtherView
Killingworth Scholarship Assoc

Killingworth, CT

OtherView
Killingworth Volunteer Fire Co INC

Killingworth, CT

OtherView
Killingworth Womens Organization- Gfwc INC

Killingworth, CT

OtherView
La Leche League International INC

Killingworth, CT

OtherView
Labs4rescue INC

Killingworth, CT

OtherView
Let The Church Rise INC

Killingworth, CT

OtherView
Living Rock Church Of Killingworth INC

Killingworth, CT

OtherView
Pathfinders INC

Killingworth, CT

YouthView
Reading The World INC

Killingworth, CT

EducationView
Seth Alan Peterson Memorial Scholarship Fund INC

Killingworth, CT

EducationView
Shoreline Breakers

Killingworth, CT

YouthView
Shoreline Charity INC

Killingworth, CT

OtherView
Act Ii Thrift Shop INC

Madison, CT

OtherView
Apk Charities Corporation

Madison, CT

SeniorsView
Association Of Independent School Admissions Professionals

Madison, CT

EducationView
Babywearing Connecticut INC

Madison, CT

OtherView
Beach Roses Fund INC

Madison, CT

OtherView
Call To Care Uganda INC

Madison, CT

OtherView
Cameron Kravitt Foundation

Madison, CT

OtherView
Camp Laurelwood INC

Madison, CT

YouthView
Camp Rising Sun INC

Madison, CT

OtherView
Carpatho-Rusyn Legacy Fund INC

Madison, CT

ArtsView
Charlotte L Evarts Memorial Archives INC

Madison, CT

ArtsView
Christ Chapel Of The Christian And Missionary Alliance

Madison, CT

OtherView
Connecticut Theater Women Network INC

Madison, CT

ArtsView
Country School Incorporated

Madison, CT

EducationView
Deacon John-Grave Foundation INC

Madison, CT

ArtsView
Demeter Community INC

Madison, CT

OtherView
Dhhs Boys Lacrosse Boosters

Madison, CT

YouthView
Dick And Bernice Ramsey Charitable Fund INC

Madison, CT

OtherView
E C Scranton Memorial Library

Madison, CT

OtherView
Ensemble Cherubim INC

Madison, CT

ArtsView
Fairfield League Of Yankee Radio Controllers INC

Madison, CT

YouthView
Federated Garden Clubs Of Connecticut INC

Madison, CT

EnvironmentView
Fostering Family Hope

Madison, CT

OtherView
Franciscan Family Apostolate INC

Madison, CT

OtherView
Frederick J Maudsley Memorial Foundation INC

Madison, CT

YouthView
Friends Of Hammonasset INC

Madison, CT

EnvironmentView
Friends Of Madison Youth INC

Madison, CT

OtherView
Geh Foundation

Madison, CT

OtherView
General Federation Of Womens Club

Madison, CT

OtherView
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Source: IRS Exempt Organizations Business Master File (Region 1). Includes active organizations with a 501(c)(3) subsection code in towns within ~30 miles of New Haven. Public-school-related organizations (PTAs/PTOs, booster clubs, district education foundations, and charter/magnet schools) are excluded — 356 filtered out. Regenerate anytime with node scripts/scrape-all-501c3.mjs. A spreadsheet copy is available at lib/all-501c3-nonprofits.csv.