Unknown & Unclassified nonprofits
Unknown & Unclassified nonprofits. Browse 557,756 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
- Connecticut Maritime Assoc Inc
EIN 222655500 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Matchcover Club
EIN 060970184 · Headquarters: LANGHORNE, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Medical Group Management Association Inc
EIN 061051544 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Military Vehicle Collectors Inc
EIN 223115044 · Headquarters: Portland, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Mortgage Bankers Association Inc
EIN 222553995 · Headquarters: New Britain, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Motorcycle Riders Association Inc
EIN 061083112 · Headquarters: New Britain, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut Music Lovers Association Inc
EIN 452598269 · Headquarters: hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Connecticut Mutual Life Insurance Co Voluntary Employee Health
EIN 061128889 · Headquarters: Springfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Natural Gas Corporation Post -Retirement Medical Plan Trust for Non-u
EIN 061220383 · Headquarters: ORANGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut Network for Children and Youth Inc
EIN 061319872 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Nurse Practitioner Group Inc D/b/a Ct Advanced Practice Rn Society
EIN 061083899 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Nursery & Landscape Association Inc
EIN 066068542 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Nurses Foundation
EIN 060302545 · Headquarters: EAST BERLIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Occupational Therapy Association Inc
EIN 237192232 · Headquarters: WEST HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Connecticut Ornithological Association Inc
EIN 222647204 · Headquarters: FAIRFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Orthodontic Alumni and Friends Inc
EIN 222512593 · Headquarters: MIAMI, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Connecticut Osteopathic Medical Society Inc
EIN 066073423 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Connecticut Package Store Association Inc
EIN 060675906 · Headquarters: OLD SAYBROOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Parachutists, Inc.
EIN 061330726 · Headquarters: Ellington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut Pest Control Association Inc
EIN 066211980 · Headquarters: TOLLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Pharmaceutical Association
EIN 060787984 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Philharmonic Orchestra Association Inc
EIN 060980364 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Connecticut Physician Assistant Foundation
EIN 223129015 · Headquarters: Southbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Connecticut Pipe Trades Health Fund C/o Ct Pipe Trades Admin
EIN 060660430 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Poetry Society Inc
EIN 061149041 · Headquarters: West Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Polar Bears Womens Hockey Club Inc
EIN 222743930 · Headquarters: MONROE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Police & Fire Union Inc S0015 Protective Services Employees
EIN 061052392 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Police Chiefs Association Inc
EIN 060949795 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Police Work Dog Association Inc
EIN 300172079 · Headquarters: NEWTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut Polygraph Association
EIN 454327623 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Power and Energy Societyinc
EIN 061393888 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Connecticut Preservation Action Inc
EIN 061017640 · Headquarters: Bethel, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Probate Judges Association
EIN 474872006 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Connecticut Professional Photographers Assoc Inc
EIN 510204857 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Connecticut Proton Therapy Center Llc
EIN 871371777 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Psychiatric Society C/o Civica Management
EIN 060873123 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Psychological Association Inc
EIN 060919890 · Headquarters: OLD SAYBROOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut PTA Congress NES PTA
EIN 472842044 · Headquarters: Norwalk, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Public Interest Research Group Inc
EIN 060906331 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut Railroad Association
EIN 043513011 · Headquarters: Holland, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Railroad Historical Ass
EIN 066085781 · Headquarters: CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Ready Mixed Concrete Associationinc
EIN 061019710 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut Recreation and Parks Association Inc
EIN 222662056 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut Regional Convention Committee Inc
EIN 222976073 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Connecticut Regional Group of the Blinded Veterans Association
EIN 066073594 · Headquarters: Clinton, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Connecticut Regional Group of the Early Ford V-8 Club of America Inc
EIN 223173978 · Headquarters: Moodus, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Connecticut Residents Against Medical Mandates Incorporated
EIN 863413147 · Headquarters: JEWETT CITY, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Connecticut Restaurant Association Inc
EIN 060872410 · Headquarters: Wethersfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Retail Merchants Association
EIN 066079119 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut River Artisans Cooperative Inc
EIN 061053675 · Headquarters: Essex, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Connecticut River Valley Chamber of Commerce
EIN 060790227 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut River Valley Chapter of Delta Waterfowl
EIN 332203443 · Headquarters: BISMARCK, ND, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut River Valley Golden Retrievers Club Inc
EIN 061389981 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Road Builders Association Inc
EIN 060684652 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut School Building & Ground Association Inc
EIN 061454322 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut School Food Service Association
EIN 066063109 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut School Transportation Association
EIN 061061061 · Headquarters: OLD SAYBROOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Science Fair Association Inc
EIN 066070725 · Headquarters: SANDY HOOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Science Teachers Assoc Inc
EIN 510190771 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Section of the American Nuclear Society
EIN 061072387 · Headquarters: Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut Section Pga of Americainc
EIN 061151825 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Society for Cardiac Rehabilitation Inc
EIN 222586271 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Society for Healthcare Risk Management Inc
EIN 061465568 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Society of Association Executives Inc
EIN 222584373 · Headquarters: Niantic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Society of Certified Public Accountants Inc
EIN 060762300 · Headquarters: Rocky Hill, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Society of CPAs Accounting Scholarship Foundation
EIN 066042593 · Headquarters: Rocky Hill, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Society of Enrolled Agents Inc
EIN 222505223 · Headquarters: MADISON, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut Society of Eye Physicia C/o Deborah Osborn
EIN 237452113 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut Society of Genealogists Inc
EIN 066105105 · Headquarters: Glastonbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut Society of Health-System Pharmacists
EIN 061052212 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Society of Plastic and Reconstructive Surgeons Inc
EIN 061048679 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Society of Professional Engineers Inc
EIN 060924374 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Connecticut Society of Professional Journalists
EIN 066103625 · Headquarters: WOODBRIDGE, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut Society of Professional Journalists Foundation Inc
EIN 222892838 · Headquarters: WOODBRIDGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut Society of the Sons of the American Revolution
EIN 066068708 · Headquarters: Old Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut Songwriters Association Inc
EIN 061011256 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Spa & Pool Association Inc
EIN 510138909 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut Speech and Hearing Foundation Inc
EIN 060983752 · Headquarters: Storrs Mansfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut Sports Writers Alliance Inc
EIN 061319349 · Headquarters: Enfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut Sportsmens Assoc
EIN 900126164 · Headquarters: Kensington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut Sportsmens Association Berlin Division Inc
EIN 061455294 · Headquarters: BERLIN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut State Afl-cio
EIN 060303260 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut State Association Niulpe Inc
EIN 760726913 · Headquarters: Northford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut State Building Trades Council
EIN 060610495 · Headquarters: EAST HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Connecticut State Chess Association Inc
EIN 832956048 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut State Council Knights of Columbus Charitable Trust
EIN 237122064 · Headquarters: BRISTOL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut State Dental Association Inc
EIN 060996515 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut State Dental Association Inc
EIN 061497310 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Connecticut State Dental Association Inc
EIN 066078172 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Connecticut State Employees Assn
EIN 066140447 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Connecticut State Employees Assn
EIN 264831651 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut State Employees Assn
EIN 270944986 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut State Employees Assn
EIN 271498267 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Connecticut State Employees Assn
EIN 271639182 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut State Employees Assn
EIN 272999025 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut State Employees Association
EIN 060305224 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Connecticut State Employees Association
EIN 060953455 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut State Employees Association
EIN 060970207 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut State Employees Association
EIN 060972165 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Connecticut State Employees Association
EIN 061022449 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N