Groups starting with M
Central organizations whose name in the IRS file starts with M, with chapters on file and Form 15644 windows.
IRS EO BMF, posted Oct 13, 2026
168 groups. Sorted by name.
- M I Grand Council of Royal & Select Masters of Florida
- M W John G Jones Grand Lodge Ancient Free & Accepted Mason of L
- M W Prince Hall Grand Lodge Free and Accepted Masons of Louisiana
- Machinery Dealers National Association
- Madlyn and Leonard Abramson Center for Jewish Life
- Maharishi Foundation USA Inc
- Mail Systems Management Association Inc
- Maine Golf House Inc
- Maine Parent Teacher Association Inc
- Mainegeneral Health
- Management Services Inc
- Maranatha Evangelical Mission
- Marine Corps League National Headquarters
- Marlboro School of Music Inc
- Marshall University Research Corporation
- Martha and Mary Lutheran Services
- Mary Washington Healthcare
- Maryland 4-H Foundation Inc
- Maryland Nurses Association Inc
- Maryland Optometric Association Inc
- Maryland Ornithological Society Inc
- Maryland Troopers Association Inc
- Maryland Veterinary Medical Association Inc
- Mass General Brigham Incorporated
- Massachusetts Medical Society
- Massachusetts Society of Genealogists Inc
- Massachusetts State Grange Patrons of Husbandry Inc
- Massachusetts Teachers Association
- Master Gardener Association
- Master Wardens and Members of the Grand Lodge of Masons in Massachus
- Mathematical Association of America Incorporated
- Matthews Ministries
- Mayo Clinic
- Mechanical Contractors Association of Indiana Inc
- Mechanical Contractors Association of Iowa Inc
- Medical Library Association Inc
- Meeting Professionals International
- Memorial Health Services
- Memorial Health System
- Memorial Sloan-Kettering Cancer Center
- Mennonite Disaster Service
- Mental Health America of Illinois
- Mental Health America of Montana Inc
- Mental Health America of South Carolina
- Mental Health America of Southeast Florida
- Mental Health America of Virginia
- Mental Health Association in Indiana Inc
- Mental Health Association in New York State Inc
- Mental Health Connecticut Inc
- Mequon Thiensville Area Council Parent Teacher Organization Inc
- Mercedes Benz Club of America
- Mercy Flight Southeast Inc
- Mercy Medical Angels
- Mers Missouri Goodwill Industries
- Mesa United Way Inc
- Metals Service Center Institute Foundation
- Methodist Home for the Aging
- Methodist Retirement Communities
- Metropolitan Club of America Inc
- Metropolitan Housing Development Corporation
- Miami Valley Warhawks Baseball Club Inc
- Michigan Affordable Senior Non Profit Housing Corporation
- Michigan Association of Gifted Children
- Michigan Association of Retired School Personnel
- Michigan Audubon Society
- Michigan Congress of Parents Teachers and Students
- Michigan Dental Association
- Michigan Department of the Auxiliary to the VFW
- Michigan Garden Clubs Inc
- Michigan Master Gardener Association Inc
- Michigan Plumbing & Mechanical Contractors Association
- Michigan Society of Professional Engineers
- Michigan State Medical Society
- Michigan State University
- Michigan State University Foundation
- Michigan Steelhead & Salmon Fishermens Association
- Michigan Trucking Association Inc
- Mid-Atlantic Section of the Ninety Nines Inc
- Midwest Manufacturers Association
- Military and Hospitaller Ord of St Lazarus of Jerusalem Gr Priory Am
- Military Order of Foreign Wars of the United States National Command
- Military Order of the Cootie of the United States
- Military Order of the Loyal Legion of the United States
- Military Order of the World Wars Inc
- Military Women Across the Nation
- Minds Matter National Inc
- Ministerios Roca de Salvacion Inc
- Minnesota Congress of Parents and Teachers
- Minnesota Dairy Herd Improvement Association
- Minnesota Dental Hygienists Association Inc
- Minnesota Genealogical Society
- Minnesota Pork Producers Association
- Minnesota Society of Certified Public Accountants
- Minnesota Society of Professional Engineers
- Minnesota State High School League
- Minnesota Women of Today
- Miss Amazing Inc
- Miss New Hampshire Scholarship Program Inc
- Mission of Universal Brotherhood Fidencista
- Mississippi Community Volunteers Inc
- Mississippi State Medical Association
- Mississippi State University Alumni Inc
- Missouri Association for Family and Community Education Inc
- Missouri Congress of Parents and Teachers
- Missouri Interactive Telecommunications Education
- Missouri National Education Association
- Missouri Organization of Mothers of Twins Club
- Missouri Right to Life
- Missouri Society of Professional Engineers
- Missouri Women of Today
- Missouri Young Farmers Association
- Mo Rhythm School of Percussion
- Modern Quilt Guild Inc
- Modern Woodmen of America
- Moms Club
- Moms House Inc
- Montana 4-H Foundation Inc
- Montana Congress of Parents Teachers Students
- Montana Farm Bureau Federation
- Montana Federation of Public Employees
- Montgomery Housing Partnership Inc
- Moose International Inc
- Morgan Stanley Global Impact Funding Trust Inc
- Morgan State University Alumni Association Incorporated
- Mortar Board Inc
- Mortgage Lenders Association of Mississippi
- Most Illustrious Grand Council of Cryptic Masons of the State of Nev
- Most Puissant Grand Council of Royal & Select Masters of NJ
- Most Valuable Kids Inc
- Most Worshipful Grand Lodge Ancient Free & Accepted Masons
- Most Worshipful Grand Lodge of Af & Am of Kansas
- Most Worshipful Grand Lodge of Free and Accepted Masons of Alaska Inc
- Most Worshipful Grand Lodge of Free and Accepted Masons of Hawaii
- Most Worshipful Hiram of Tyre Grand Lodge Af&am State of California
- Most Worshipful Prince Hall Free & Accepted Masons of Hawaii Inc
- Most Worshipful Prince Hall Grand Lodge F & a M of Wisconsin Inc
- Most Worshipful Prince Hall Grand Lodge F&am DC and Subordinates
- Most Worshipful Prince Hall Grand Lodge Free & Accepted Masons
- Most Worshipful Prince Hall Grand Lodge Free and Accepted Mason of
- Most Worshipful Prince Hall Grand Lodge Free and Accepted Masons of
- Most Worshipful Prince Hall Grand Lodge of Free & Accepted Masons
- Most Worshipful Prince Hall Grand Lodge of Virginia F & a Masons Inc
- Most Worshipful Prince Hall of Free & Accepted Masons of Mo
- Most Worshipful St Joseph Grand Lodge of Ancient Free and Accepted
- Most Worshpful Prince Hall Grnd Ldg F&am Calif & Hawaii Inc
- Mount Olive Bible Institute and Seminary Inc
- Mount Pleasant Free Public Library Association Inc
- Move the Mountain Leadership Center Inc
- Move United
- Movimiento Familiar Cristiano Catolico USA
- Multi Community Diversified Services Inc
- Music Teachers Association of California
- Music Teachers National Association Inc
- Musical Empowerment Inc
- Muslim Students Association of the U S and Canada
- Mutual Aid Society of the Unity of the Brethren
- MW Prince Hall Grand Lodge Free & Accepted Masons of NC Jurisd Inc
- My Happy Place
- Myasthenia Gravis Foundation of America Inc
- Mystic Order of Veiled Prophets of Enchanted Realm Supreme Council
- The Mankind Project
- The Mended Hearts Inc
- The Methodist Hospital
- The Most Worshipful Grand Lodge of Free & Accepted Masons of Florida
- The Most Worshipful Prince Hall Grand Lodge F and Am of New Jersey
- The Most Worshipful Stringer Grand Lodge Free and Accepted Masons
- The Museum Store Association Inc
- The Music Library Association