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
- Mississippi Native Plant Society Inc
EIN 333320522 · Headquarters: Clinton, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Natural Gas Association
EIN 640633054 · Headquarters: BRANDON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Neurosurgical Society
EIN 640821608 · Headquarters: Flowood, MS, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Mississippi Nlga 2010
EIN 264541704 · Headquarters: RIDGELAND, MS, USA · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990
- Mississippi Now
EIN 871901587 · Headquarters: Terry, MS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Mississippi Nurses' Association
EIN 640321143 · Headquarters: MADISON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Nurses' Foundation Inc
EIN 640696983 · Headquarters: MADISON, MS, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Mississippi Oil Painters Association
EIN 332516969 · Headquarters: Madison, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Optometric Association Inc
EIN 237177819 · Headquarters: MADISON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi Orthopaedic Society
EIN 640688152 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mississippi Osteopathic Medical Association
EIN 640668464 · Headquarters: BIENVILLE, LA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990
- Mississippi Outdoor Stewardship Coalition Inc
EIN 861659423 · Headquarters: MADISON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi Pest Control Association Inc
EIN 640732131 · Headquarters: Sylacauga, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Petroleum Marketers & Convenience Stores Association
EIN 640359472 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Pharmacists Association
EIN 640342870 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Physical Therapy Assocaition
EIN 640711091 · Headquarters: HATTIESBURG, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Poetry Society Incorporated
EIN 640647769 · Headquarters: Madison, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Pork Producers Association
EIN 640711104 · Headquarters: MISSISSIPPI STATE, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mississippi Poultry Association Inc
EIN 237173419 · Headquarters: PEARL, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi Poultry Growers Alliance
EIN 933143783 · Headquarters: Magnolia, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mississippi Power Company Medical Benefits Trust
EIN 640737285 · Headquarters: ATLANTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi Press Association Education Foundation
EIN 640731681 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi Professional Educators
EIN 640633051 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Propane Gas Association
EIN 640858300 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Psychological Association
EIN 570897059 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Public Health Association
EIN 640639788 · Headquarters: Jackson, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Railroad Association
EIN 646025774 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Recreation & Park Association
EIN 640741623 · Headquarters: HATTIESBURG, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mississippi Reiki Association
EIN 854256092 · Headquarters: MC CALL CREEK, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Mississippi Religious Leadership Conference
EIN 237118843 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Mississippi Rental Association
EIN 900214926 · Headquarters: Clarksdale, MS, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Mississippi Resource Development Corporation Term
EIN 640601465 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Retired Public Employees Association Inc
EIN 640700934 · Headquarters: Brandon, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi River Brass Band Inc
EIN 371185309 · Headquarters: Quincy, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Mississippi River Landowners Alliance Inc
EIN 320469779 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi Road Builders Association In
EIN 640294304 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Road Builders Association Political Action Committee
EIN 205734297 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Mississippi Rural Letter Carriers
EIN 640521889 · Headquarters: Como, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mississippi Rural Letter Carriers Auxiliary
EIN 262569994 · Headquarters: houlka, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi Rural Resource Corporation
EIN 640479784 · Headquarters: MADISON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Scholastic Lacrosse Association Inc
EIN 854257326 · Headquarters: Oxford, MS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Mississippi School Boards Inc
EIN 640738645 · Headquarters: Ridgeland, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi School Nutrition Association
EIN 640608868 · Headquarters: BYRAM, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Science Teachers Association
EIN 640592387 · Headquarters: POPLARVILLE, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Seedmens Association
EIN 237409276 · Headquarters: LELAND, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mississippi Sheriffs Assoc Inc
EIN 640688579 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi Soccer Association Inc
EIN 640677874 · Headquarters: BRANDON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Society of Association Executives
EIN 640808348 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Society of Certified Public Accountants Foundation
EIN 646038540 · Headquarters: RIDGELAND, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mississippi Society of Health System Pharmacists
EIN 640638589 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mississippi Society of Nuclear Medicine Inc
EIN 640834499 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi Society of Radiological Technologists
EIN 640643590 · Headquarters: MORTON, MS, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Mississippi Society of the American Institute of Building Design Inc
EIN 463021154 · Headquarters: Ridgeland, MS, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Mississippi Soybean Assn
EIN 237022653 · Headquarters: Belzoni, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mississippi Spirits and Wine Association
EIN 833235020 · Headquarters: JACKSON, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi Sports Foundation Inc
EIN 640824344 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Square and Round Dance Association
EIN 640701739 · Headquarters: Brandon, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi State Assembly of Association of Surgical Technologi
EIN 640925172 · Headquarters: Biloxi, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi State Bulldog Club
EIN 510163622 · Headquarters: Mississippi State, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi State Chapter of Pi Kappa Phi
EIN 453339278 · Headquarters: MISSISSIPPI STATE, MS, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Mississippi State Council Knights of Columbus
EIN 640664255 · Headquarters: RUTH, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mississippi State Foxhunters Association
EIN 640807368 · Headquarters: WINONA, MS, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Mississippi State Medical Assocation
EIN 640689813 · Headquarters: Clarksdale, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Associati
EIN 912157815 · Headquarters: HATTIESBURG, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi State Medical Associati On
EIN 640692179 · Headquarters: Ocean Springs, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640317537 · Headquarters: RIDGELAND, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi State Medical Association
EIN 640689672 · Headquarters: Centreville, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640689748 · Headquarters: Mathiston, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640689760 · Headquarters: Magnolia, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640690355 · Headquarters: Vicksburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640691475 · Headquarters: Oxford, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640707667 · Headquarters: Greenville, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640709035 · Headquarters: Kosciusko, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640751848 · Headquarters: Pass Christian, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 640752851 · Headquarters: Tupelo, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association
EIN 646022243 · Headquarters: Meridian, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Medical Association Al Alliance Inc
EIN 646517051 · Headquarters: HATTIESBURG, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi State Medical Association Alliance Inc
EIN 640675705 · Headquarters: RIDGELAND, MS, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Mississippi State Medical Association Alliance Inc
EIN 640689489 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mississippi State Medical Association Foundation Inc
EIN 570906060 · Headquarters: RIDGELAND, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi State Medical Homochitto Valley Medical Society
EIN 261305942 · Headquarters: NATCHEZ, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Rating Bureau
EIN 640678320 · Headquarters: FLOWOOD, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi State Troopers Assn Inc
EIN 640771073 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi State University Alumni Association Nashville Tennesse Ch
EIN 621794882 · Headquarters: Hendersonville, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi State University Chaarg
EIN 872413508 · Headquarters: Starkville, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mississippi State University College of Veterinary Medicine Sma
EIN 863470590 · Headquarters: Mississippi State, MS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Mississippi State University Research & Technology Corporation
EIN 640923875 · Headquarters: MISSISSIPPI STATE, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi State University School of Forest Resources Alumni Associa
EIN 640597008 · Headquarters: STARKVILLE, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi State University Student Chapter
EIN 237222308 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mississippi State University Washington Dc Alumni Chapter
EIN 452592877 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Mississippi Sting Baseball
EIN 383938746 · Headquarters: Raymond, MS, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Mississippi Surplus Lines Association
EIN 640885758 · Headquarters: FLOWOOD, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Tea Party
EIN 270197731 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Mississippi Tennis Association
EIN 630737693 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Terrace Tenant Association
EIN 421183811 · Headquarters: Keokuk, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mississippi Theatre Association Inc
EIN 640630426 · Headquarters: FLOWOOD, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Tourism Association
EIN 640769534 · Headquarters: MADISON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Trucking Association Inc
EIN 640207237 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi University for Women Foundation
EIN 237050717 · Headquarters: COLUMBUS, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Valley Academy of Nutrition and Dietetics Inc
EIN 363145581 · Headquarters: Davenport, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N