Unknown & Unclassified nonprofits in Maine
Unknown & Unclassified nonprofits in Maine. Browse 4,077 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Portland Firefighters Union Local 740
EIN 016011483 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Portland Housing Development Corporation
EIN 222527595 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Portland Kiwanis Club Charity Fund
EIN 830349141 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Portland Local Union No 114 Int'l Alliance of Theatrical Stage Employ
EIN 016024182 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Portland Maine Elks Lodge No 188
EIN 010027748 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Portland Marine Society
EIN 016016000 · Headquarters: BUXTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Portland Media Center
EIN 010403485 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Portland Police Benevolent Association
EIN 510188186 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Portland Provident Association
EIN 016012457 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Portland Public Library
EIN 016000802 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Portland Public Library Staff Association
EIN 273539723 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Portland Public Schools
EIN 800581499 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Portland Regional Chamber
EIN 010043280 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Portland Rotary Charitable Fund
EIN 222571797 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Portland Seamens Friend Society
EIN 010211545 · Headquarters: WINDHAM, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Portland Together
EIN 872096753 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Portland Yacht Club
EIN 010143485 · Headquarters: FALMOUTH FORESIDE, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Positively Social of New England
EIN 010529907 · Headquarters: Penobscot, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Post 36 Corporation
EIN 260497604 · Headquarters: Boothbay Harbor, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Pot & Kettle Club
EIN 010218055 · Headquarters: SOUTHWEST HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Power in Community Alliances
EIN 010421880 · Headquarters: Bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pownal Fire & Rescue Company
EIN 202864345 · Headquarters: Pownal, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pownal Scenic and Historical Society
EIN 016046517 · Headquarters: Pownal, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Preachers' Aid Society of New England
EIN 046037997 · Headquarters: Wells, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Preceptor Psi
EIN 010483693 · Headquarters: Bar Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Presence Radio Network Inc
EIN 271921814 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Presque Isle Class of 1970
EIN 473981062 · Headquarters: PRESQUE ISLE, ME, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Presque Isle Elks Lodge
EIN 237215062 · Headquarters: Presque Isle, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Presque Isle Fish and Game Club
EIN 237215211 · Headquarters: PRESQUE ISLE, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Presque Isle Masonic Hall Association
EIN 815429928 · Headquarters: Presque Isle, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Presque Isle Rotary Club
EIN 016018761 · Headquarters: PRESQUE ISLE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Press Herald Toy Fund
EIN 010361298 · Headquarters: South Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Presumpscot Regional Land Trust
EIN 010426268 · Headquarters: Gorham, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pretty Marsh Cemetery Corporation C/o Susan Erickson
EIN 274315191 · Headquarters: MT DESERT, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Prime Time Ski Club
EIN 471885818 · Headquarters: Newry, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Princeton Fire Association
EIN 933283018 · Headquarters: PRINCETON, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Professional Fire Fighters of Maine
EIN 010342249 · Headquarters: Etna, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Professional Logging Contractors of Northeast
EIN 010505151 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Progressive Pipeline
EIN 841929570 · Headquarters: South Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Project Feed
EIN 010345862 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Project Launch
EIN 870885324 · Headquarters: Deer Isle, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Project Management Institute
EIN 010539905 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Project Opportunity Inc
EIN 223012835 · Headquarters: BETHEL, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Propellor Club of the United States Port of Searsport & Bucksport
EIN 010462296 · Headquarters: SEARSPORT, ME, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Prosthetic and Orthotic Society of Maine
EIN 273216352 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Protect Our Neighborhood Schools
EIN 821206257 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Protein Foundation
EIN 061046591 · Headquarters: Yarmouth, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Prouts Neck Association
EIN 010145133 · Headquarters: SCARBOROUGH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Prouts Neck Country Club
EIN 010145135 · Headquarters: SCARBOROUGH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Prouts Neck Yacht Club
EIN 010145138 · Headquarters: SCARBOROUGH, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Psi Chapter House Corporation
EIN 460678906 · Headquarters: Orono, ME, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Psi Chi the International Honor Society in Psychology
EIN 471447567 · Headquarters: Bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Psi Chi the International Honor Society in Psychology
EIN 582040051 · Headquarters: ORONO, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 521236524 · Headquarters: Waterville, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 521538345 · Headquarters: Farmington, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 521538347 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Psi Chi the National Honor Society in Psychology
EIN 550910380 · Headquarters: Standish, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pta Maine Congress
EIN 471009479 · Headquarters: Alfred, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pta Maine Congress Rsu4
EIN 453137346 · Headquarters: SABATTUS, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pulpit Harbor Foundation
EIN 222506563 · Headquarters: North Haven, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Purpoodock Club
EIN 010145780 · Headquarters: CAPE ELIZABETH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pythagorean Lodge 11
EIN 016011486 · Headquarters: FRYEBURG, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pythian Sisters Home Association
EIN 016013970 · Headquarters: BOOTHBAY, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Quamphegan Education Association
EIN 203607281 · Headquarters: Berwick, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Quoddy Tides Foundation
EIN 016046843 · Headquarters: EASTPORT, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Raft Maine
EIN 010480632 · Headquarters: VASSALBORO, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rafts Inc
EIN 222480417 · Headquarters: LEWISTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ragged Mountain Ski Club
EIN 010454053 · Headquarters: Camden, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rainbow Business & Professional Assoc
EIN 010502284 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ralph Getchell Smith Memorial Fund Co Camden National Bank
EIN 010387329 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ralph Pollard Lodge Building Association
EIN 010345679 · Headquarters: Orrington, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ranchin Round
EIN 465240098 · Headquarters: Orono, ME, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Randall MacVane Unit 142 American Legion Auxiliary
EIN 453203747 · Headquarters: Peaks Island, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rangeley Friends of the Performing Arts Inc
EIN 010385416 · Headquarters: Rangeley, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rangeley Lakes Chamber of Commerce
EIN 010237491 · Headquarters: Rangeley, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Rangeley Library Association
EIN 010147000 · Headquarters: RANGELEY, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rangeley Region Parent Teacher Association
EIN 043363027 · Headquarters: Rangeley, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rangeley Support Staff Association
EIN 611544483 · Headquarters: Rangeley, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rangeley Teachers Education Association
EIN 273652063 · Headquarters: rangeley, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Raymond Baseball
EIN 010477197 · Headquarters: Raymond, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Raymond Educators Association
EIN 800292798 · Headquarters: Raymond, ME, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Raymond Support Staff Association
EIN 562398328 · Headquarters: Raymond, ME, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Raymond-windham Esp Assoc
EIN 270397827 · Headquarters: Windham, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Reach Out for Christ with Friends Around the World
EIN 421169345 · Headquarters: Appleton, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Readfield Corner Water Association
EIN 010439527 · Headquarters: Readfield, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Readfield Historical Society
EIN 010412021 · Headquarters: READFIELD, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Redeeming Refuge
EIN 473153956 · Headquarters: Orrington, ME, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Redington East Homeowners Association Inc
EIN 010392895 · Headquarters: CARRABASSETT VALLEY, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Redington Memorial Home Attn Ted Susi
EIN 010211547 · Headquarters: Skowhegan, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Region 11 Teachers Association
EIN 272269942 · Headquarters: South Paris, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Region 8 Employees Association
EIN 300620069 · Headquarters: Thomaston, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Region Iii Education Association
EIN 383792897 · Headquarters: Lincoln, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Region Ten Teachers Association
EIN 461045577 · Headquarters: Brunswick, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Regional School Unit 25 Education Association
EIN 270799484 · Headquarters: Bucksport, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Regional Schools United 4 Education Association
EIN 270358586 · Headquarters: Sabattus, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Registry of Interpreters for the Deaf
EIN 521232333 · Headquarters: Scarborough, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- REM
EIN 010499703 · Headquarters: Waterville, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Reny Charitable Foundation
EIN 026095307 · Headquarters: NEWCASTLE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Research Institute for Mathematics
EIN 222777124 · Headquarters: ORONO, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Resources for Organizing and Social Change
EIN 010353747 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990