Most Transparent Nonprofits in Delaware

Most Transparent nonprofit rankings for Delaware. 100 organizations with $37.0B in combined revenue. Updated 2026 IRS 990 data.

100Organizations
$37.0BTotal Revenue
$3.9BTotal Assets
92/100Avg Score

Most Transparent Rankings for Delaware (100)

#OrganizationCityRevenueAssetsScore
1 Serenbetz Family Foundation Inc Wilmington $8.5M $21.9M 95/100
2 Eppley Foundation Trust Uw Me Apt 7 6061 38 00 Fbo Research Greenville $490K $3.4M 95/100
3 Isak And Rose Weinman Foundation Inc Wilmington $5.2M $15.5M 95/100
4 Charles A Mastronardi Charitable Foundation Wilmington $6.2M $16.3M 95/100
5 Carl Marks Foundation Inc Wilmington $651K $10.5M 95/100
6 Alice N Osborn Trust Uw 9 15 C Wilmington $3.3M $4.5M 95/100
7 Wm Brian & Judith A Little Charitable Trust Ua 06 15 92 Hockessin $368K $4.5M 95/100
8 Joy Amisano Charitable Foundation Newark $426K $2.0M 95/100
9 The Fortin Foundation Inc Wilmington $2.3M $9.8M 95/100
10 Forgotten Cats Inc Greenville $2.3M $3.5M 95/100
11 Bengali Association Of Delaware Valley Wilmington $130K $47K 95/100
12 Manufacturers And Tent Renters Association Inc Wilmington $586K $527K 95/100
13 The Spivey Family Foundation Inc Wilmington $209K $832K 95/100
14 Havanese Rescue Inc Lewes $485K $1.9M 95/100
15 Joseph And Joan Cullman Conservation Foundation Inc Wilmington $8.6M $7.7M 95/100
16 Trinity Foundati0 N Seaford $119K $153K 95/100
17 Shelby Cullom Davis Charitable Fund Inc Wilmington $36.6B $3.1B 95/100
18 Bernard And Patricia Iacovangelo Family Foundation Inc Wilmington $2.5M $2.5M 95/100
19 Kretschmer Private Foundation Wilmington $5K $137K 95/100
20 Birnkrant Foundation For Senior Citizens 15 669145907250 Wilmington $1.1M $1.5M 95/100
21 Howard W Swank Alma K Swank Andrichard Kemper Swank Foundation Wilmington $3.9M $14.4M 95/100
22 Delaware Coalition For Opengovernment Inc Wilmington $6K $13K 95/100
23 Duke & Gael Habernickel Charitablefoundation Wilmington $766K $2.0M 95/100
24 The William And Sonia Pindler Family Foundation Wilmington $538K $1.3M 95/100
25 Delaware Seaside Railroad Club Inc Ocean View $73K $64K 95/100
26 Colman Family Foundation Hockessin $922K $4.3M 95/100
27 Kendeda Fund Wilmington $64.2M $50.7M 95/100
28 Logan Family Foundation Wilmington $104K $1.3M 95/100
29 Amani Family Foundation Wilmington $17.8M $56.4M 95/100
30 The Kirby Jones Foundation Wilmington $6.3M $39.0M 95/100
31 Socially Responsible Agriculture Project Inc Claymont $2.9M $2.6M 95/100
32 Rodney Street Tennis Association Wilmington $694K $784K 92/100
33 American College Of Bankruptcy Foundation Dover $1.3M $3.1M 92/100
34 Contractors For A Cause Foundation Llc Ocean View $201K $409K 92/100
35 Bowman Family Foundation Hockessin $684K $4.0M 92/100
36 Wsfs Foundation Wilmington $8.3M $12.3M 92/100
37 Delaware Military Academy Sports Booster Club Wilmington $33K $19K 92/100
38 Thom Family Foundation Inc Wilmington $4.2M $12.4M 92/100
39 Cab Calloway School Fund Wilmington $531K $363K 92/100
40 Talleyville Girls Softball League Incorporated Wilmington $250K $295K 92/100
41 Autism Delaware Inc Newark $5.4M $7.1M 92/100
42 Girls On The Run Delaware Inc Newark $608K $1.1M 92/100
43 Energy Transfer Sunoco Foundation Wilmington $3.9M $29.6M 92/100
44 Gelco Charitable Foundation Wilmington $18.8M $6.1M 92/100
45 Theodore C And Katherine P Bentleyfoundation Wilmington $1.5M $6.0M 92/100
46 Pelton Charitable Foundation Inc Wilmington $1.6M $2.4M 92/100
47 Westminster Barrington Foundation Wilmington $9.9M $12.6M 92/100
48 Bindler Family Foundation Wilmington $129K $1.2M 92/100
49 Oechsle Family Foundation Inc Wilmington $30.5M $59.5M 92/100
50 Leonard And Ilona H Ling Familyfoundation Wilmington $1.5M $2.3M 92/100
51 Rice Family Charitable Foundation Wilmington $563K $1.6M 92/100
52 Diane And Steve Clark Family Foundation Wilmington $974K $4.9M 92/100
53 Delaware Headstart Association Inc Wilmington $63K $149K 92/100
54 The Sievert Family Foundation Wilmington $881K $1.6M 92/100
55 Ganahi Family Foundation Wilmington $1.1M $4.4M 92/100
56 Levi F Williams Charitable Tr Wilmington $266K $2.0M 92/100
57 Edward E And Marie L Matthews Foundation Wilmington $6.3M $13.1M 92/100
58 George D Dill Fam Foundation 5019894120 Wilmington $147K $1.2M 92/100
59 Obrzut Ling Foundation Inc Wilmington $122K $2.7M 92/100
60 Bucks Creek Foundation Wilmington $1.1M $5.1M 92/100
61 Ikebana Iwaya Fund Wilmington $74K $427K 92/100
62 Lighten Family Foundation Wilmington $2.6M $4.9M 92/100
63 The Laurence And Michele Chang Foundation Wilmington $200K $1.0M 92/100
64 Initiative For Medicines Access &Knowledge I Mak Inc Lewes $1.3M $4.3M 92/100
65 Riecker Charitable Foundation Wilmington $968K $4.0M 92/100
66 Kate Risley Foundation Inc Wilmington $563K $1.9M 92/100
67 Delaware Storm Travel Teams Inc Selbyville $58K $12K 90/100
68 Klungness Family Foundation Inc Wilmington $9.0M $5.4M 90/100
69 Richard S And Karen Lefrak Charitable Foundation Inc Wilmington $6.6M $8.0M 90/100
70 The John C Griswold Family Foundation Wilmington $4.9M $13.4M 90/100
71 Herbert And Nell Singer Foundation Inc Wilmington $37.5M $60.9M 90/100
72 Psychoanalytic Electronic Publishing Inc Joint Venture Wilmington $2.4M $2.3M 90/100
73 Jonathan & Susan Dolgen Family Foundation Inc Wilmington $1.6M $4.5M 90/100
74 Nespola Charitable Foundation 749 C6900 Wilmington $817K $1.9M 90/100
75 La Red Health Center Inc Georgetown $12.8M $11.9M 90/100
76 Delaware Chapter Of The American College Of Surgeons Inc Hockessin $71K $218K 90/100
77 Roripaugh Family Foundation Wilmington $685K $2.1M 90/100
78 Wf Whitman Family Foundation Inc Wilmington $4.9M $6.8M 90/100
79 Rowe Family Foundation Wilmington $7.9M $34.1M 90/100
80 Dowling & Partners Charitable Foundation Inc Wilmington $28K $570K 90/100
81 Louis J Casale Jr Charitable Foundation Inc Wilmington $251K $38K 90/100
82 Delaware State University Foundation Inc Dover $18.5M $37.5M 90/100
83 Foundation Source Charitable Foundation Inc Wilmington $25K $24K 90/100
84 Clear Space Theatre Company Rehoboth Bch $1.6M $2.3M 90/100
85 Weprin Family Foundation Inc Wilmington $44K $337K 90/100
86 Claymont Delaware Lions Club Foundation Inc Wilmington $110K $35K 90/100
87 Leon N Weiner Education Foundation Wilmington $677K $2.5M 90/100
88 West Rehoboth Community Land Trust Rehoboth Bch $43K $669K 90/100
89 Adam J Weissman Foundation Wilmington $3.0M $12.4M 90/100
90 Van Der Stricht Foundation Wilmington $1.6M $6.9M 90/100
91 Middletown Main Street Inc Middletown $55K $84K 90/100
92 Frank H Jernigan Charitable Foundation Inc Wilmington $631K $1.0M 90/100
93 Jean T And Heyward G Pelham Foundation Wilmington $20.6M $40.0M 90/100
94 Martin Family Charitable Foundation Inc Wilmington $856K $1.4M 90/100
95 National Conservation District Employees Association Inc Dover $81K $187K 90/100
96 The Ho Hing Dai Family Foundation Inc Wilmington $602K $1.7M 90/100
97 The Burnett Family Charitable Foundation Inc Wilmington $397K $3.0M 90/100
98 Perl Nelson Family Foundation Inc Wilmington $121K $752K 90/100
99 Gay D And William F Scott Family Foundation Wilmington $1.2M $2.1M 90/100
100 American Electric Power Foundation Wilmington $71.3M $65.2M 90/100

Frequently Asked Questions

What are the most transparent nonprofits in Delaware?

There are 100 nonprofits in Delaware ranked by most transparent, with $37.0B in combined annual revenue.

How are Delaware nonprofit rankings determined?

Rankings are based on the latest IRS 990 filing data. Highest mission scores based on AI analysis. Each organization is ranked relative to other Delaware nonprofits.

How do Delaware nonprofits compare nationally?

Delaware has 100 organizations in this ranking category. View the national most transparent rankings for broader context.

Where can I find more nonprofit data for Delaware?

Visit our Delaware state page for a complete overview of all nonprofits, or explore specific categories and cities within Delaware.

Other Rankings for Delaware

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