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 2,751–2,800 of 7,738 organizations

Organization	Category	Location	EIN	View
General Federation Of Womens Clubs Madison, CT	Other	20 Arbor Ln, Madison, CT 06443	23-7025498	View
Hand Girls Hockey Booster Club Madison, CT	Youth	21 Kaiser Ln, Madison, CT 06443	81-4465534	View
Help For Happiness INC Madison, CT	Health	85 Island Ave, Madison, CT 06443	88-1758306	View
Helping Hands Of Madison INC Madison, CT	Other	44 Wyndy Brook Ln, Madison, CT 06443	84-4835989	View
Holy Sophia University INC Madison, CT	Education	120 Sportsman Hill Rd, Madison, CT 06443	93-3389258	View
Hope Partnership INC Madison, CT	Other	99b Durham Rd, Madison, CT 06443	20-1683627	View
Htc Youth INC Madison, CT	Youth	30 Eastwood Dr, Madison, CT 06443	82-3185259	View
Infinite Strength INC Madison, CT	Other	60 E Wharf Rd, Madison, CT 06443	82-4118676	View
Institute For Life Sciences Collaboration INC Madison, CT	Education	Po Box 1249, Madison, CT 06443	45-5595804	View
Jeg Ministries Madison, CT	Other	59 Garnet Park Rd, Madison, CT 06443	82-4116552	View
Kids Scholarship Fund INC Madison, CT	Education	Po Box 833, Madison, CT 06443	06-1494714	View
Lauren Mcbride Foundation Madison, CT	Seniors	141 Durham Rd St 15, Madison, CT 06443	33-2955996	View
Leon Lowenstein Foundation INC Madison, CT	Other	71 Bradley Rd Unit 4-E, Madison, CT 06443	13-6015951	View
Little League Baseball INC Madison, CT	Youth	Po Box 243, Madison, CT 06443	23-7002463	View
Lutheran Church Of Madison Madison, CT	Other	9 Britton Ln, Madison, CT 06443	06-0858253	View
Madison Abc Program Incorporated Madison, CT	Education	Po Box 371, Madison, CT 06443	23-7040306	View
Madison Ambulance Association INC Madison, CT	Health	9 Old Rte 79, Madison, CT 06443	06-1172811	View
Madison Art Society Madison, CT	Arts	Po Box 1383, Madison, CT 06443	91-1829571	View
Madison Athletic Hall Of Fame INC Madison, CT	Youth	83 Rolling Meadow Rd, Madison, CT 06443	46-3752621	View
Madison Cable Access Group INC Madison, CT	Arts	8 Campus Dr, Madison, CT 06443	06-1454146	View
Madison Christian Ministries INC Madison, CT	Other	120 Bradley Rd, Madison, CT 06443	06-1007284	View
Madison Community Services INC Madison, CT	Other	Po Box 148, Madison, CT 06443	23-7105685	View
Madison Cultural Arts Madison, CT	Arts	71 Legend Hill Rd, Madison, CT 06443	06-1427551	View
Madison Fireworks Organization INC Madison, CT	Seniors	Po Box 81, Madison, CT 06443	05-0550053	View
Madison Historical Society INC Madison, CT	Arts	Po Box 17, Madison, CT 06443	06-6038865	View
Madison Hoop Dreams INC Madison, CT	Youth	7 Hamilton Dr, Madison, CT 06443	20-8871626	View
Madison Jaycees Foundation INC Madison, CT	Other	Po Box 128, Madison, CT 06443	46-1693707	View
Madison Land Conservation Trust INC Madison, CT	Environment	Po Box 561, Madison, CT 06443	06-6070866	View
Madison Lyric Stage Madison, CT	Arts	104 Boston Post Rd, Madison, CT 06443	81-1313312	View
Madison Pride Fest Madison, CT	Other	Po Box 86, Madison, CT 06443	87-1155566	View
Madison Rotary Foundation INC Madison, CT	Other	Po Box 335, Madison, CT 06443	06-6075666	View
Madison Soccer Booster Club Madison, CT	Youth	Po Box 4021, Madison, CT 06443	06-1135265	View
Madison Youth Basketball Association Madison, CT	Youth	Po Box 1022, Madison, CT 06443	06-1426933	View
Madison Youth Soccer Booster Club Madison, CT	Other	Po Box 4099, Madison, CT 06443	06-1067445	View
Madisons Nite In Hand Madison, CT	Education	286 Green Hill Rd, Madison, CT 06443	45-5285220	View
Mercy Center Incorporated Madison, CT	Other	167 Neck Rd, Madison, CT 06443	06-1307050	View
Nest Sanctuary For Women Madison, CT	Health	56 Legend Hill Rd, Madison, CT 06443	85-3271600	View
Nutmeg Division Northeastern Region National Model Railroad Assn INC Madison, CT	Other	21 Pine Ridge Dr, Madison, CT 06443	06-1597308	View
Nxys Neurodiverse Exceptional Youth Society INC Madison, CT	Youth	35 Bridle Path Ln, Madison, CT 06443	33-3795066	View
Olmstrong Foundation INC Madison, CT	Education	3 Matthew CT, Madison, CT 06443	82-4728366	View
Our Lady Of Mercy School Of Madison INC Madison, CT	Education	61 Governors Way, Madison, CT 06443	83-1029360	View
Quota International Of New Haven Madison, CT	Other	32 Johnson Ln, Madison, CT 06443	85-3062583	View
Random Tuesday INC Madison, CT	Other	37 Johnson Ln, Madison, CT 06443	47-4958349	View
Ricci Scholars Foundation INC Madison, CT	Other	42 Suffolk Dr, Madison, CT 06443	99-4369001	View
Scouting For Our Community INC Madison, CT	Other	596 Opening Hill Rd, Madison, CT 06443	42-2310769	View
Scranton Library Friends INC Madison, CT	Education	Po Box 4079, Madison, CT 06443	30-0793142	View
Shoreline Arts Alliance INC Madison, CT	Arts	63 Wall St, Madison, CT 06443	06-1027403	View
Shoreline Astronomical Society INC Madison, CT	Other	83 Wildcat Rd, Madison, CT 06443	99-0918229	View
Shoreline Chorale Madison, CT	Arts	Po Box 57, Madison, CT 06443	47-5407444	View
Shoreline Christian Church Madison, CT	Other	Po Box 936, Madison, CT 06443	22-2804491	View

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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.