Most Efficient in Maine

Top nonprofits by program expense ratio

50 organizations
Across Maine, the latest Form 990 most efficient ranking covers 1,924 organizations (2026 filings). Big Rock leads at 110.3%.
Year: Latest 2024 2023 2022
# Organization Revenue Assets
1 Big Rock
EIN: 010538232 · Mars Hill, ME
$3.9M $7.0M
2 THE CHAMBERLAIN PROJECT
EIN: 472012900 · SOUTH PORTLAND, ME
$1.1M $31K
3 TWIN VILLAGES DOWNTOWN ALLIANCE
EIN: 454543067 · DAMARISCOTTA, ME
$1.0M $84K
4 PINE TREE HOUSING AGENCY C/O AVESTA HOUSING
EIN: 270039482 · PORTLAND, ME
$1.1M $7.6M
5 MAINE INFONET COLLABORATIVE
EIN: 275079950 · ORONO, ME
$1.2M $853K
6 MaineHealth Cardiology
EIN: 452525629 · Portland, ME
$7.0M $0
7 THE HOUSING FOUNDATION-PHASE I & II
EIN: 237046663 · ORONO, ME
$2.3M $6.2M
8 DAMARISCOTTA MONTESSORI SCHOOL II
EIN: 200216368 · NOBLEBORO, ME
$1.2M $1.5M
9 SACO HOUSING DEVELOPMENT CORPORATION
EIN: 237356022 · PORTLAND, ME
$1.0M $6.9M
10 LincolnHealth Medical Partners Inc
EIN: 263878235 · Damariscotta, ME
$7.4M $0
11 VILLAGE SQUARE HOUSING CORPORATION C/O AVESTA HOUSING
EIN: 223230622 · PORTLAND, ME
$2.5M $3.6M
12 Penobscot Bay Physicians & Assoc
EIN: 010530517 · Belfast, ME
$9.9M $0
13 FAMILIES MATTER INC
EIN: 223409412 · HALLOWELL, ME
$2.9M $4.9M
14 SHA DEVELOPMENT CORPORATION
EIN: 311699762 · SANFORD, ME
$14.2M $14.8M
15 MMC Realty Corp
EIN: 010434215 · Portland, ME
$6.2M $52.9M
16 EASTERN MAINE ELECTRIC COOPERATIVE INC
EIN: 010056837 · Calais, ME
$18.4M $54.8M
17 West Oxford Agricultural Society
EIN: 010180531 · Bridgton, ME
$5.6M $5.0M
18 ST ANTHONY'S MONASTERY ASSOCIATION
EIN: 010544705 · KENNEBUNK, ME
$1.5M $136K
19 CENTRAL LINCOLN COUNTY AMBULANCE SERVICE INC
EIN: 223214998 · DAMARISCOTTA, ME
$2.3M $2.1M
20 THE HOUSING FOUNDATION - M & D
EIN: 223090975 · ORONO, ME
$3.2M $4.1M
21 AUBURN MASONIC ASSOCIATION C/O PAUL GARDNER
EIN: 016010198 · AUBURN, ME
$1.8M $4.4M
22 HOULTON HIGH SCHOOL ALUMNI ASSOCIAT
EIN: 043357591 · HOULTON, ME
$1.2M $3.4M
23 PENQUIS DEVELOPMENT INC
EIN: 010541817 · BANGOR, ME
$3.2M $17.9M
24 MAINE LOBSTERMEN'S ASSOCIATION INC
EIN: 010455701 · KENNEBUNK, ME
$1.7M $1.1M
25 AVESTA HOUSING DEVELOPMENT CORPORATION
EIN: 010315296 · PORTLAND, ME
$13.5M $82.7M
26 COAST LINE CREDIT UNION
EIN: 010146437 · SOUTH PORTLAND, ME
$4.3M $89.5M
27 SAGADAHOC AGRICULTURAL & HORTICULTURAL SOCIETY
EIN: 010153868 · TOPSHAM, ME
$1.0M $1.9M
28 MAPLE GROVE ELDERLY HOUSING CORPORATION C/O AVESTA HOUSING
EIN: 010347203 · PORTLAND, ME
$1.1M $9.1M
29 WEBBER AVENUE SOCIAL CLUB INC
EIN: 010212172 · LEWISTON, ME
$1.1M $499K
30 Maine Life and Health Insurance Guaranty Association
EIN: 222656121 · South China, ME
$1.3M $2.0M
31 SEACOAST CHRISTIAN SCHOOL
EIN: 205099712 · South Berwick, ME
$1.5M $1.6M
32 Portland Housing Development Corporation
EIN: 222527595 · Portland, ME
$7.4M $19.8M
33 MaineHealth Services
EIN: 010431680 · Portland, ME
$26.3M $365.8M
34 CENTRAL AROOSTOOK ASSOCIATION
EIN: 010263507 · PRESQUE ISLE, ME
$8.8M $8.6M
35 MAINE CREDIT UNION'S CAMPAIGN FOR ENDING HUNGER
EIN: 261720415 · PORTLAND, ME
$1.2M $1.4M
36 YORK HARBOR READING ROOM
EIN: 010186375 · YORK HARBOR, ME
$1.2M $1.6M
37 NORTHERN OXFORD REGIONAL AMBULANCE SERVICE
EIN: 010436438 · MEXICO, ME
$2.9M $2.6M
38 CENTER FOR TEACHING AND LEARNING
EIN: 010448173 · EDGECOMB, ME
$1.1M $872K
39 WATERVILLE MAINE ELKS LODGE #905
EIN: 010063430 · WATERVILLE, ME
$1.0M $1.7M
40 SACOPEE RESCUE UNIT INC
EIN: 010345195 · PARSONSFIELD, ME
$1.0M $566K
41 CLUB SEBAGO ASSOCIATION
EIN: 010493055 · CASCO, ME
$1.3M $6.9M
42 ADDISON POINT SPECIALIZED SERVICES INC
EIN: 010440635 · ADDISON, ME
$1.2M $372K
43 SETON VILLAGE
EIN: 010367553 · PORTLAND, ME
$2.2M $5.8M
44 HILL STREET TERRACE HOUSING CORPORATION C/O AVESTA HOUSING
EIN: 010347202 · PORTLAND, ME
$2.1M $8.2M
45 SANFORD-SPRINGVALE MOUSAM WAY LAND TR
EIN: 016157155 · Springvale, ME
$1.0M $2.7M
46 PORTLAND WIDOWS WOOD SOCIETY
EIN: 016001384 · Falmouth, ME
$1.3M $2.3M
47 UNITED PEJEPSCOT HOUSING INC
EIN: 010367791 · BRUNSWICK, ME
$1.3M $2.6M
48 HOMELESS ANIMAL RESCUE TEAM OF MAINE INC
EIN: 010531093 · CUMBERLAND CENTER, ME
$1.6M $2.8M
49 COMMUNITY CREDIT UNION
EIN: 010206603 · LEWISTON, ME
$9.1M $110.7M
50 C Kip Leach Community Foundation
EIN: 270710250 · Brooksville, ME
$2.3M $2.3M
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.