Nonprofits in Mississippi
Nonprofits in Mississippi. Browse 18,011 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 School of the Arts Foundation Inc
EIN 640926726 · Headquarters: BROOKHAVEN, MS, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Science and Engineering Fairs
EIN 851930270 · Headquarters: Hattiesburg, MS, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi Science Teachers Association
EIN 640592387 · Headquarters: POPLARVILLE, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Search and Rescue Association Inc
EIN 640937561 · Headquarters: Blue Springs, MS, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Section of the American Nuclear Society Inc
EIN 201844951 · Headquarters: Jackson, MS, US · Social Science · Latest available filing year: 2021 · 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 Senior Olympics
EIN 640933818 · Headquarters: Biloxi, MS, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Shakespeare Festival
EIN 873420930 · Headquarters: Jackson, MS, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Sheriffs Assoc Inc
EIN 640688579 · Headquarters: JACKSON, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi Sheriffs Boys and Girls Ranch Inc
EIN 640598354 · Headquarters: LAKE CORMORANT, MS, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Sickle Cell Foundation
EIN 640881279 · Headquarters: JACKSON, MS, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Sids and Infant Safety Alliance
EIN 640943505 · Headquarters: MADISON, MS, USA · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990
- Mississippi Sigma Chapter of Sigma Alpha Epsilon
EIN 932360390 · Headquarters: hattisburg, MS, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mississippi Soccer Association Inc
EIN 640677874 · Headquarters: BRANDON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi Society for Allergy Asthma and Immunology
EIN 474718139 · Headquarters: JACKSON, MS, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Society for Disabilities Incorporated
EIN 640386410 · Headquarters: JACKSON, MS, USA · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990
- Mississippi Society for Parenteral and Enteral Nutrition
EIN 582022023 · Headquarters: FLOWOOD, MS, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mississippi Society for Respiratory Care-central Region
EIN 640717197 · Headquarters: Gulfport, MS, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Mississippi Society of American for Esters
EIN 521273256 · Headquarters: Clinton, MS, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Society of Anesthesiologists
EIN 640795061 · Headquarters: JACKSON, MS, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- 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
EIN 640473153 · Headquarters: RIDGELAND, MS, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- 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 Dermatology Professionals
EIN 392955943 · Headquarters: CLINTON, MS, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- 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 Otolaryngology-head & Neck Surgery
EIN 550825456 · Headquarters: Ridgeland, MS, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Society of Perianethesia Nurses
EIN 870866088 · Headquarters: Hattiesburg, MS, US · Education · Latest available filing year: 2025 · 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 Solar Energy Society
EIN 412130578 · Headquarters: LAUREL, MS, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Mississippi Sound Conservancy
EIN 844819180 · Headquarters: Columbia, MS, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi Sound Maritime Historical Foundation Inc
EIN 721352760 · Headquarters: GULFPORT, MS, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · 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 Spay and Neuter (Span)
EIN 202938077 · Headquarters: RICHLAND, MS, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi Spay and Neuter Initiave
EIN 934327199 · Headquarters: LAUREL, MS, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Speech-language-hearing
EIN 646158402 · Headquarters: JACKSON, MS, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mississippi Spelling Bee
EIN 883329368 · Headquarters: Columbus, MS, US · Education · Latest available filing year: 2025 · 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 Sporting Clays Association Inc
EIN 010657210 · Headquarters: ELLISVILLE, MS, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Mississippi Sports Fliers Foundation
EIN 834184821 · Headquarters: Flowood, MS, US · Recreation & Sports · Latest available filing year: 2021 · 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 Sports Medicine Foundation
EIN 640869099 · Headquarters: JACKSON, MS, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mississippi Sportsmens Foundation
EIN 203939516 · Headquarters: Jackson, MS, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- 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 Equine Association
EIN 208890293 · Headquarters: Brandon, MS, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Federation of Col Ored Womens Club Inc
EIN 640650899 · Headquarters: CLINTON, MS, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · 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 Hospital Graduate Medical Education Foundation Inc
EIN 862134067 · Headquarters: Whitfield, MS, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Kappa Sigma Alumni
EIN 273993420 · Headquarters: Greenwood, MS, USA · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Mississippi State Kappa Sigma Educational Foundation Inc
EIN 204819481 · Headquarters: MADISON, MS, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Mississippi State Medical Assoc on Alliance Inc
EIN 640681017 · Headquarters: Ridgeland, MS, US · Health Care · Latest available filing year: 2011 · 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 562303179 · Headquarters: Magnolia, MS, US · Health Care · Latest available filing year: 2007 · 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 Taxidermy Association Inc
EIN 475195489 · Headquarters: SAUCIER, MS, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- 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 Troopers Disaster Relief Fund
EIN 461503691 · Headquarters: JACKSON, MS, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State University
EIN 646000819 · Headquarters: MISSISSIPPI STATE, MS, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Mississippi State University Advanced Research and Development
EIN 813934085 · Headquarters: MISSISSIPPI STATE, MS, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi State University Alumni Association
EIN 646035311 · Headquarters: MISSISSIPPI STATE, MS, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi State University Alumni Foundation Inc
EIN 646025777 · Headquarters: Mississippi State, MS, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990
- Mississippi State University Alumni Inc
EIN 464608197 · Headquarters: Gloster, MS, US · Education · Latest available filing year: 2016 · 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 Delta Chi Building Corporation
EIN 340435674 · Headquarters: STARKVILLE, MS, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mississippi State University Donor Advised Fund Program
EIN 640929055 · Headquarters: MISSISSIPPI STATE, MS, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mississippi State University Educational Building Corporation
EIN 640723407 · Headquarters: MISSISIPPI STATE, MS, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mississippi State University Foundation
EIN 640410581 · Headquarters: Starkville, MS, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- 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 Soaring Club
EIN 611712826 · Headquarters: Mississippi State, MS, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mississippi State Usbc Ba
EIN 300285811 · Headquarters: VICKSBURG, MS, USA · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Mississippi State Waterski and Wakeboard Club
EIN 455168911 · Headquarters: MADISON, MS, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Mississippi Statewide Afterschool Network
EIN 392140420 · Headquarters: JACKSON, MS, US · Education · Latest available filing year: 2024 · 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 Sustainable Agriculture Network
EIN 464755705 · Headquarters: Oxford, MS, US · Food, Agriculture & Nutrition · Latest available filing year: 2018 · Primary form: IRS Form 990-N