| Other organizations in Wyoming |
| Id | Name | Address | State | Established | Total Income |
| 1 | Mary K Weiss Foundation | PO BOX 2589, Jackson, WY 83001-2589 | WY | 1999-06 | $537,522 |
| 2 | Masterson Family Foundation | PO BOX 2401, Casper, WY 82602-2401 | WY | 2005-10 | $492,378 |
| 3 | Matthew & Virgie O Dragicevich Wyo Fndn Tr One Utd 02-22-1994, Maryanov L & C Mathieu Etal Ttees | PO BOX 385, Teton Village, WY 83025-0385 | WY | 1999-12 | $1,155,652 |
| 4 | Matthew Shepard Foundation | 301 Thelma Dr 512, Casper, WY 82609-2325 | WY | 1999-08 | $953,764 |
| 5 | Maurice W Brown Foundation | 614 S Greeley Hwy, Cheyenne, WY 82007-2850 | WY | 1982-02 | $50,858 |
| 6 | Mccalla Housing Inc | 4509 Foothill Blvd, Rock Springs, WY 82901-4367 | WY | 1992-12 | $91,496 |
| 7 | Mcdaniel Memorial Scholarship Fund | 727 Wood St, Lander, WY 82520-2155 | WY | | $2,387 |
| 8 | Mckenzie Meningitis Foundation | PO BOX 1368, Pinedale, WY 82941-1368 | WY | 2003-05 | $18,106 |
| 9 | Meadowlark Foundation | PO BOX 728, Sheridan, WY 82801-0728 | WY | 2002-04 | $676,032 |
| 10 | Meals On Wheels Foundation | 1760 E 12th St, Casper, WY 82601-4005 | WY | 1986-12 | $331,582 |
| 11 | Meals On Wheels Of Cheyenne Inc | 2015 S Greeley Hwy, Cheyenne, WY 82007-3431 | WY | 1970-11 | $1,213,136 |
| 12 | Medicine Bow Nordic Association | PO BOX 2251, Laramie, WY 82073-2251 | WY | 1994-11 | $77,655 |
| 13 | Medicine Bow Rural Health Care District | Po Box 37, Medicine Bow, WY 82329 | WY | 1981-08 | $0 |
| 14 | Medicine Wheel Story Tellers Institute Of The Arts | PO BOX 349, Douglas, WY 82633-0349 | WY | 1995-05 | $1 |
| 15 | Meeteetse Visitor Center | PO BOX 238, Meeteetse, WY 82433-0238 | WY | 2002-09 | $60,176 |
| 16 | Memorial Hospital Auxiliary | PO BOX 108, Sheridan, WY 82801-0108 | WY | 1955-12 | $80,764 |
| 17 | Memorial Hospital Of Sweetwater County Foundation | PO BOX 1359, Rock Springs, WY 82902-1359 | WY | 2006-06 | $468,127 |
| 18 | Mercer Family Resource Center Inc | 535 West Yellowstone, Casper, WY 82601-7507 | WY | 1972-02 | $1,134,381 |
| 19 | Mercy And Grace Ministries Inc | PO BOX 6818, Sheridan, WY 82801-7106 | WY | 1999-03 | $65,746 |
| 20 | Messengers Old West Museum | 616 Crook Avenue, Cheyenne, WY 82001 | WY | 2008-08 | $0 |
| 21 | Midway Golf Club | 4053 Golf Course Rd, Basin, WY 82410-8900 | WY | 1969-04 | $155,154 |
| 22 | Mike Atkins Teaching Ministries | 3201 West Big Trails Drive, Jackson, WY 83001 | WY | 2001-11 | $0 |
| 23 | Mining Associates Of Wyoming | 5834 S Winland Dr, Gillette, WY 82718-6944 | WY | 1994-11 | $94,343 |
| 24 | Miss Rodeo Wyoming Assoc | PO BOX 157, Newcastle, WY 82701-0157 | WY | 2002-03 | $55,759 |
| 25 | Missile Boosters Association | 6610 Headquarters Dr Ste 3, Fe Warren Afb, WY 82005-3937 | WY | 1995-03 | $3,148 |
| 26 | Mission Of Mercy | 75 Deer Valley Dr, Lander, WY 82520-9780 | WY | 1993-11 | $28,010 |
| 27 | Monks Of Tintern Inc | PO BOX 910, Kemmerer, WY 83101-0910 | WY | 1999-04 | $34,779 |
| 28 | Montessori School Of Casper | 1147 S Walnut St, Casper, WY 82601-3624 | WY | 1978-06 | $201,474 |
| 29 | Montessori School Of Cheyenne | 5401 Yellowstone Rd, Cheyenne, WY 82009-4135 | WY | 1981-07 | $640,861 |
| 30 | Moose Day Care Centers Inc | PO BOX 87, Moose, WY 83012-0087 | WY | 1992-09 | $66,271 |
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