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
- Obie S Fox Ministries
EIN 850714939 · Headquarters: TUPELO, MS, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Obtaining Inward Light Ministries
EIN 453111486 · Headquarters: Long Beach, MS, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Occupational Chaplains Association Inc
EIN 813031745 · Headquarters: Tupelo, MS, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ocean Springs Art Association Inc
EIN 237410478 · Headquarters: Ocean Springs, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean Springs Athletic Foundation
EIN 640947447 · Headquarters: OCEAN SPRINGS, MS, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Ocean Springs Baseball Organization INC
EIN 461860139 · Headquarters: Ocean Springs, MS, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Ocean Springs Carnival Assoiation Inc
EIN 264192421 · Headquarters: Ocean Springs, MS, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ocean Springs Chamber of Commerce
EIN 640588067 · Headquarters: OCEAN SPRINGS, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ocean Springs Education Foundation
EIN 384151532 · Headquarters: OCEAN SPRINGS, MS, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ocean Springs Genealogical Society
EIN 901076586 · Headquarters: OCEAN SPRINGS, MS, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean Springs Girl Lacrosse Inc
EIN 274058763 · Headquarters: Ocean Springs, MS, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean Springs Girls Softball League
EIN 272158455 · Headquarters: OCEAN SPRINGS, MS, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Ocean Springs Greyhound Lacrosse
EIN 832967402 · Headquarters: OCEAN SPRINGS, MS, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ocean Springs Hospital Auxiliary Inc
EIN 640623876 · Headquarters: Ocean Springs, MS, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ocean Springs Lacrosse
EIN 834675909 · Headquarters: OCEAN SPRINGS, MS, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ocean Springs Pride of Lions Foundation Inc
EIN 464381742 · Headquarters: Ocean Springs, MS, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ocean Springs Sailing Squadron Inc
EIN 264268123 · Headquarters: Ocean Springs, MS, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean Springs Upper Elementary Music Booster Club
EIN 475137387 · Headquarters: OCEAN SPRINGS, MS, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Ocean Springs Wrestling
EIN 932260756 · Headquarters: Ocean Springs, MS, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ocean Springs Yacht Club
EIN 640629203 · Headquarters: OCEAN SPRINGS, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ocean Springs-long Beach Interfaith Hospitality Network Inc
EIN 640936080 · Headquarters: Gulfport, MS, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ocean Wave Fellowship Club Inc
EIN 640734023 · Headquarters: Long Beach, MS, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odessa Grant Food Pantry
EIN 463137024 · Headquarters: TUNICA, MS, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Odhiambo Ministries
EIN 475117202 · Headquarters: Olive Branch, MS, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Of Life and Healing
EIN 461056719 · Headquarters: Starkville, MS, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Official Ms Womens Club
EIN 680526477 · Headquarters: Clinton, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Og Changing Lives Foundation
EIN 882065566 · Headquarters: D Inerville, MS, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohr-o'keefe Museum of Art Inc
EIN 640837485 · Headquarters: BILOXI, MS, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Okahay Cemetery Association
EIN 383859198 · Headquarters: Mount Olive, MS, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Okatoma Water Association
EIN 640470084 · Headquarters: MIZE, MS, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Okeefe Educational Media
EIN 364488806 · Headquarters: Gulfport, MS, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Okolona Area Chamber of Commerce
EIN 640295300 · Headquarters: OKOLONA, MS, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Okolona Concerned Parents Organization
EIN 824975874 · Headquarters: OKOLONA, MS, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Okolona Section National Council of Negro Women Inc
EIN 640877492 · Headquarters: Houston, MS, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oktibbeha County Child Care Service Incorp
EIN 640760585 · Headquarters: STURGIS, MS, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oktibbeha County Forest Farmers
EIN 413051858 · Headquarters: STARKVILLE, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oktibbeha County Heritage Museum
EIN 020776683 · Headquarters: STARKVILLE, MS, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oktibbeha County Humane Society Inc
EIN 640618170 · Headquarters: STARKVILLE, MS, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oktibbeha County Master Gardeners Inc
EIN 612263033 · Headquarters: Starkville, MS, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oktibbeha County Training School Henderson Hs Scholarship Fund Inc
EIN 640923486 · Headquarters: Starkville, MS, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oktibbeha Educational Foundation D/b/a Starkville Academy
EIN 237049189 · Headquarters: STARKVILLE, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oktibbeha Starkville Emergency Response Volunteer Services
EIN 273326372 · Headquarters: STARKVILLE, MS, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oktoc Animal Rescue Inc
EIN 464219397 · Headquarters: Starkville, MS, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oktoc Water Association Inc
EIN 640578428 · Headquarters: STARKVILLE, MS, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ol' Hank's Place
EIN 842412540 · Headquarters: HOLLY SPRINGS, MS, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Crystal Springs Cemetery Association Inc
EIN 640693786 · Headquarters: Crystal Springs, MS, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Old Good Hope Cemetery Association
EIN 640697693 · Headquarters: Mendenhall, MS, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Old Ladies Home Association
EIN 640303089 · Headquarters: RIDGELAND, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Old Monroe Cemetery Association
EIN 471731177 · Headquarters: Pontotoc, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Mother Goose Day Care
EIN 640848487 · Headquarters: Winona, MS, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Old Mountain Arboretum Inc
EIN 851036810 · Headquarters: WINONA, MS, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Paths Baptist Church Meridian
EIN 464713261 · Headquarters: MERIDIAN, MS, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Pearl Volunteer Fire Department
EIN 640619208 · Headquarters: Florence, MS, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old River Water Association Inc Old River Water Association Inc
EIN 640548932 · Headquarters: WOODVILLE, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old South Amateur Radio Association
EIN 412956210 · Headquarters: Gloster, MS, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old South Fools Inc
EIN 994355611 · Headquarters: Glen, MS, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Spanish Trail Heritage Foundation Inc
EIN 237286616 · Headquarters: Gulfport, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Old Town Merchants Association
EIN 471645442 · Headquarters: BAY ST LOUIS, MS, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Union Water Association Inc
EIN 640718382 · Headquarters: SHANNON, MS, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Waverly Foundation Inc
EIN 311511701 · Headquarters: WEST POINT, MS, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Olde Towne Middle School Pto
EIN 421619469 · Headquarters: Ridgeland, MS, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oldies but Goodies Car Club
EIN 800268504 · Headquarters: Diamondhead, MS, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ole Brook Motor Museum
EIN 823763030 · Headquarters: Brookhaven, MS, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ole Mis Ato Alumni Association
EIN 640948267 · Headquarters: Oxford, MS, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ole Miss Alumni Band
EIN 844451321 · Headquarters: University, MS, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ole Miss Athletic Foundation
EIN 640474850 · Headquarters: OXFORD, MS, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ole Miss Esports
EIN 821497512 · Headquarters: University, MS, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ole Miss Quarterback Club Inc
EIN 300588643 · Headquarters: OXFORD, MS, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Ole Miss Womens Club Lacrosse
EIN 271888028 · Headquarters: Oxford, MS, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Olive Branch Amateur Radio Club Inc
EIN 200847080 · Headquarters: Olive Branch, MS, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olive Branch Arts Council Inc
EIN 640895126 · Headquarters: Olive Branch, MS, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olive Branch Chamber of Commerce
EIN 640562619 · Headquarters: OLIVE BRANCH, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Olive Branch Christian Community Coalition Inc
EIN 202897701 · Headquarters: Olive Branch, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olive Branch Community Food Pantry
EIN 640768593 · Headquarters: OLIVE BRANCH, MS, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Olive Branch Elementary School Pto
EIN 460845569 · Headquarters: Olive Branch, MS, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olive Branch Firefighters Association
EIN 465389992 · Headquarters: Hernando, MS, US · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Olive Branch Football Lettermansclub
EIN 208403499 · Headquarters: OLIVE BRANCH, MS, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Olive Branch Inc
EIN 822623857 · Headquarters: MERIDIAN, MS, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Olive Branch Middle School Pto
EIN 852965673 · Headquarters: Olive Branch, MS, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olive Branch Music Boosters
EIN 471888966 · Headquarters: Olive Branch, MS, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Olive Branch Old Towne Preservation
EIN 721379169 · Headquarters: OLIVE BRANCH, MS, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Olive Branch Optimist Club
EIN 874604213 · Headquarters: Olive Branch, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Olive Branch Post 2022 Inc
EIN 883544372 · Headquarters: Olive Branch, MS, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olive Branch Scouting Alumni and Boosters Inc
EIN 393393271 · Headquarters: olive branch, MS, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olive Branch Soccer
EIN 843048226 · Headquarters: Olive Branch, MS, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Olive Branch Youth Football & Cheerleading League Assoc
EIN 640930164 · Headquarters: OLIVE BRANCH, MS, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Olive Tree International Foundation
EIN 453480569 · Headquarters: Brandon, MS, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olive Twig Humanitarian Group
EIN 640835818 · Headquarters: Olive Branch, MS, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oma Community Action Committee Incorporated
EIN 640660274 · Headquarters: MONTICELLO, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ome Foundation Inc
EIN 843474028 · Headquarters: RIDGELAND, MS, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Omega Defense Scholarship Foundation
EIN 854322287 · Headquarters: Tupelo, MS, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omega Lamplighters of North Mississ Ippi
EIN 412846652 · Headquarters: SOUTHAVEN, MS, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omega Lamplighters of the Mississippi Gulf Coast
EIN 883578023 · Headquarters: Gulfport, MS, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Omega Leadership Institute
EIN 474366115 · Headquarters: ASHLAND, MS, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 274605565 · Headquarters: Meridian, MS, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 640857984 · Headquarters: Canton, MS, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 640927211 · Headquarters: Starkville, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 646029436 · Headquarters: Hattiesburg, MS, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity
EIN 800836921 · Headquarters: Olive Branch, MS, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity Eta Zeta
EIN 640929340 · Headquarters: University, MS, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N