Most Transparent Nonprofits in Maine

Most Transparent nonprofit rankings for Maine. 100 organizations with $1.1B in combined revenue. Updated 2026 IRS 990 data.

100Organizations
$1.1BTotal Revenue
$2.0BTotal Assets
95/100Avg Score

Most Transparent Rankings for Maine (100)

#OrganizationCityRevenueAssetsScore
1 University Of Maine Pulp And Paper Foundation Orono $2.3M $33.6M 98/100
2 Kennebunk Rotary Scholarship Fund Inc Kennebunk $1.4M $1.1M 98/100
3 Crabtree Neck Land Trust Hancock $836K $3.4M 95/100
4 Bar Harbor Village Improvement Association Bar Harbor $948K $1.3M 95/100
5 Berwick Cemetery Association Inc Berwick $331K $3.0M 95/100
6 Hallowell Centennial Burial Ground Assn Inc Hallowell $125K $1.1M 95/100
7 Norway Pine Grove Cemetery Corp Norway $65K $736K 95/100
8 Oak Grove Cemetery Asso Gardiner $705K $1.6M 95/100
9 Pine Grove Cemetery Association Brunswick $93K $1.3M 95/100
10 Pine Grove Cemetery Corp Falmouth $4.2M $3.4M 95/100
11 Prouts Neck Association Scarborough $327K $1.2M 95/100
12 Brookside Cemetery Association Inc Mount Desert $173K $984K 95/100
13 Eastport Public Library Association Eastport $242K $2.9M 95/100
14 Patten Free Library Bath $2.6M $12.0M 95/100
15 Blue Hill Public Library Inc Blue Hill $1.9M $11.2M 95/100
16 Rockland District Nursing Assn Inc Rockland $222K $460K 95/100
17 Hancock County Trustees Of Public Reservations Ellsworth $2.1M $16.9M 95/100
18 Evergreen Credit Union Portland $33.2M $569.2M 95/100
19 Sanford Library Association Sanford $1.3M $2.9M 95/100
20 Boothbay Region District Nursing Assoc Inc Boothbay $164K $187K 95/100
21 Northeast Harbor Library Ne Harbor $3.5M $11.7M 95/100
22 D A Hurd Public Library Assoc North Berwick $365K $536K 95/100
23 Fairview Hospital Inc Skowhegan $4.1M $6.6M 95/100
24 Skidompha Library Assoc Damariscotta $2.0M $5.1M 95/100
25 Mt Pleasant Cemetery Assoc Eliot $112K $4.0M 95/100
26 Lincoln County Historical Association Wiscasset $241K $794K 95/100
27 Ruggles House Society Columbia Fls $74K $1.6M 95/100
28 Maine Audubon Society Falmouth $9.1M $21.0M 95/100
29 Wiscasset Public Library Wiscasset $507K $3.7M 95/100
30 Trustees Of Leavitt Institute North Turner $398K $8.6M 95/100
31 Christmas Cove Improvement Assoc Damariscotta $601K $2.6M 95/100
32 Elmhurst Inc Bath $5.2M $9.7M 95/100
33 Bristol Area Library Association New Harbor $87K $888K 95/100
34 Maine State Bar Association Augusta $1.6M $2.4M 95/100
35 Pierre Monteux Memorial Foundation Hancock $497K $2.6M 95/100
36 Waypoint Maine Inc Sanford $29.8M $44.5M 95/100
37 East Grand Health Center Inc Danforth $1.2M $1.4M 95/100
38 Isle Au Haut Electric Power Co Isle Au Haut $181K $761K 95/100
39 First Parish Cemetery Assoc York Cemetery York $276K $3.9M 95/100
40 Halfway House Inc Portland $1.1M $1.5M 95/100
41 Brooksville Free Public Library Inc Brooksville $141K $553K 95/100
42 Seniorsplus Lewiston $35.1M $10.6M 95/100
43 Dover Foxcroft Housing Development Corporation Bangor $568K $1.1M 95/100
44 Rockport Boat Club Camden $152K $169K 95/100
45 Bremen Library Association Bremen $89K $478K 95/100
46 Corinth Housing Corporation Corinth $284K $591K 95/100
47 Round Pond Village Improvement Society Round Pond $217K $288K 95/100
48 Biddeford Youth Hockey Association Biddeford $433K $128K 95/100
49 Motivational Services Inc Augusta $19.3M $8.6M 95/100
50 Androscoggin Historical Society Lewiston $143K $814K 95/100
51 Portage Lakers Sno Mobile Club Inc Portage Lake $102K $474K 95/100
52 Maine Genealogical Society Wells $68K $208K 95/100
53 Onpoint Health Data Portland $25.4M $29.7M 95/100
54 Disability Rights Center Of Maine Augusta $4.6M $3.6M 95/100
55 Learning Works Portland $2.8M $1.8M 95/100
56 Maine State Music Theatre Brunswick $8.2M $11.2M 95/100
57 Maine Special Olympics S Portland $9.3M $14.5M 95/100
58 John F Murphy Homes Inc Auburn $79.2M $94.8M 95/100
59 Maine College Of Health Professions Lewiston $8.3M $17.6M 95/100
60 Freeport Conservation Trust Freeport $311K $4.5M 95/100
61 Maine Society Of Eye Physicians & Surgeons Manchester $172K $274K 95/100
62 Maine Association Of The Deaf Inc Cumberlnd Ctr $330K $57K 95/100
63 United Pejepscot Housing Inc Pejepscot Terrace Brunswick $1.2M $2.6M 95/100
64 Protectors Of Animal Life Society Winthrop $1.1M $2.2M 95/100
65 Harpswell Neck Fire And Rescue Inc S Harpswell $297K $1.4M 95/100
66 John Bapst Memorial High School Bangor $11.7M $15.2M 95/100
67 Downeast Transportation Inc Ellsworth $4.6M $8.7M 95/100
68 Waldo County Humane Society Belfast $114K $783K 95/100
69 Casco Fire Association Casco $262K $250K 95/100
70 Isleboro Pre School Islesboro $261K $1.8M 95/100
71 Oceanside Conservation Trust Portland $43K $2.4M 95/100
72 Goose Rocks Beach Association Inc Kennebunkport $171K $247K 95/100
73 Biddeford Food Pantry Biddeford $406K $1.2M 95/100
74 Hospice Volunteers Of Hancock County Ellsworth $1.1M $1.6M 95/100
75 Fort Kent Historical Society Fort Kent $90K $582K 95/100
76 Viles Arboretum Augusta $392K $1.5M 95/100
77 Turner Public Library Turner $258K $627K 95/100
78 Maine Community Foundation Inc Ellsworth $660.3M $807.6M 95/100
79 Readfield Union Meeting House Company Readfield $186K $1.3M 95/100
80 The Franklin Library Franklin $104K $205K 95/100
81 Bauneg Beg Lake Association Inc North Berwick $14K $86K 95/100
82 Brewer Boosters Club Inc Brewer $85K $60K 95/100
83 Sunrise Opportunities Machias $10.9M $3.8M 95/100
84 Habitat For Humanity York County Kennebunk $3.8M $4.5M 95/100
85 Maine Mobile Health Program Inc Augusta $2.2M $1.3M 95/100
86 Orono Land Trust Inc Orono $519K $1.4M 95/100
87 Preble Street Portland $30.6M $36.9M 95/100
88 Orrs And Bailey Islands Fire Department Orrs Island $368K $1.9M 95/100
89 Friends Of Acadia Bar Harbor $34.0M $97.3M 95/100
90 Little League Baseball Inc Portland $243K $267K 95/100
91 Acadia Choral Society Ellsworth $0 $0 95/100
92 The Center For Grieving Children Portland $1.4M $2.3M 95/100
93 Biddeford Pool Community Club Biddeford Pl $51K $537K 95/100
94 Little Sebago Lake Association Windham $294K $677K 95/100
95 Bath Area Food Bank Bath $290K $974K 95/100
96 Auburn Residential Development Corporation Auburn $351K $6.9M 95/100
97 Arundel Cemetery Corporation Kennebunkport $1.0M $1.8M 95/100
98 Down East Hospice Volunteers Calais $129K $292K 95/100
99 Morton Kelly Charitable Tr Portland $24.7M $20.2M 95/100
100 Blue Hill Fire Company Blue Hill $356K $2.2M 95/100

Frequently Asked Questions

What are the most transparent nonprofits in Maine?

There are 100 nonprofits in Maine ranked by most transparent, with $1.1B in combined annual revenue.

How are Maine 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 Maine nonprofits.

How do Maine nonprofits compare nationally?

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

Where can I find more nonprofit data for Maine?

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

Other Rankings for Maine

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