Mon, Oct 8, 2018 (2 a.m.)
| Foundation | Assets | Revenue | Income | Tax period ending | |
| 1 | Engelstad Family Foundation 851 S. Rampart Blvd., Suite 150 Las Vegas, NV 89145-4884 | $790,473,461 | Not listed | $199,764,561 | Dec. 2016 |
| 2 | Cyrus Tang Foundation 8960 Spanish Ridge Ave. Las Vegas, NV 89148-1302 | $401,409,049 | Not listed | $202,882,770 | Dec. 2016 |
| 3 | UNLV Foundation 4505 Maryland Parkway, Box 451006 Las Vegas, NV 89154-9900 | $382,574,567 | $79,316,525 | $316,757,778 | June 2017 |
| 4 | Dr. Miriam and Sheldon G. Adelson Charitable Trust 410 S. Rampart Blvd., Suite 440 Las Vegas, NV 89145-5749 | $359,559,176 | Not listed | $201,674,760 | Dec. 2017 |
| 5 | Alexander Dawson Foundation 6720 Via Austi Parkway, Suite 260 Las Vegas, NV 89119-3569 | $271,436,377 | $41,791,807 | $66,280,371 | June 2017 |
| 6 | Nevada Community Foundation Inc. 410 S. Rampart Blvd., Suite 390 Las Vegas, NV 89145-5749 | $143,168,866 | $15,771,948 | $76,933,674 | June 2017 |
| 7 | Opportunity Village Foundation 6050 S. Buffalo Drive Las Vegas, NV 89113-2154 | $131,137,266 | $19,086,904 | $125,837,304 | June 2017 |
| 8 | Andre Agassi Foundation For Education 1120 N. Town Center Drive, Suite 160 Las Vegas, NV 89144-6303 | $126,021,652 | $3,284,011 | $19,450,489 | Dec. 2016 |
| 9 | Troesh Family Foundation 1370 Jet Stream Drive, Suite 100 Henderson, NV 89052-4234 | $109,056,065 | Not listed | $36,555,257 | Dec. 2016 |
| 10 | Elaine P. Wynn and Family Foundation 3131 Las Vegas Blvd. South Las Vegas, NV 89109-1967 | $61,658,115 | Not listed | $664,823 | Dec. 2016 |
| 11 | The Animal Foundation 699 N. Wardelle St. Las Vegas, NV 89101-0000 | $47,142,010 | $12,151,960 | $12,236,623 | Dec. 2016 |
| 12 | Thomas Spiegel Family Foundation 9101 Alta Drive, Unit 107 Las Vegas, NV 89145-8505 | $32,182,688 | Not listed | $4,285,302 | Dec. 2016 |
| 13 | Pettit Foundation PO Box 530875 Henderson, NV 89053-0875 | $32,133,011 | Not listed | $1,316,048 | Dec. 2016 |
| 14 | Tony And Renee Marlon Charitable Foundation 9025 Greensboro Lane Las Vegas, NV 89134-0501 | $32,044,460 | Not listed | $16,030,057 | Dec. 2016 |
| 15 | Strauss Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $30,588,721 | Not listed | $6,085,106 | Dec. 2017 |
| 16 | Galil Foundation 3540 W. Sahara Ave. Las Vegas, NV 89102-5816 | $26,999,271 | Not listed | $108,096 | Dec. 2017 |
| 17 | Simpson Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $25,743,253 | Not listed | $15,680,307 | Dec. 2017 |
| 18 | James Daniel Humphrey Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $24,854,831 | Not listed | $11,014,199 | March 2018 |
| 19 | Preservati Family Charitable Trust Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $23,736,608 | Not listed | $9,373,045 | Dec. 2017 |
| 20 | Provident Benevolent Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $21,667,204 | Not listed | $4,547,899 | June 2017 |
| 21 | Public Education Foundation 4350 S. Maryland Parkway Las Vegas, NV 89119-7530 | $21,285,339 | $8,531,945 | $9,568,822 | Sept. 2017 |
| 22 | Adams-Mastrovich Family Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $20,661,728 | Not listed | $5,470,180 | Dec. 2017 |
| 23 | George Henry Mayr Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $19,277,012 | Not listed | $4,893,760 | Dec. 2017 |
| 24 | The Boyd Foundation 3883 Howard Hughes Parkway, 9th floor Las Vegas, NV 89169-0974 | $18,715,989 | Not listed | $9,478,912 | Dec. 2016 |
| 25 | Another Joy Foundation 1 9811 W. Charleston Blvd. Las Vegas, NV 89117-7528 | $18,064,862 | $59,909 | $59,909 | Dec. 2016 |
| 26 | Richaed Tam Foundation 8535 Edna Ave. Las Vegas, NV 89117-4413 | $17,484,773 | Not listed | $10,944,723 | June 2017 |
| 27 | Gaughan Family Foundation 4021 Meadows Lane Las Vegas, NV 89107-3117 | $17,107,836 | Not listed | $12,576,774 | Dec. 2017 |
| 28 | John Wesley Hanes And Anna Hodgin Hanes Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $16,631,333 | Not listed | $3,903,461 | Dec. 2017 |
| 29 | Oechsle Family Foundation Inc. 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $16,161,471 | Not listed | $6,038,770 | Dec. 2017 |
| 30 | MGM Resorts Foundation 840 Grier Road Las Vegas, NV 89119-3778 | $15,396,988 | $10,300,102 | $10,300,102 | Dec. 2017 |
| 31 | Luddy Charitable Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $15,188,885 | Not listed | $12,297,476 | Dec. 2017 |
| 32 | Bethlehem Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $14,648,780 | Not listed | $6,301,523 | Dec. 2017 |
| 33 | Dunn Family Foundation 3 Vintage Canyon St. Las Vegas, NV 89141-6044 | $13,861,082 | Not listed | $2,022,504 | Dec. 2016 |
| 34 | The 25Th Century Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $13,753,168 | Not listed | $3,626,928 | March 2018 |
| 35 | Mark And Judy Heinemann Foundation Inc. 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $13,644,564 | Not listed | $9,107,662 | Dec. 2017 |
| 36 | FW Symmes Foundation 6325 S. Rainbow Blvd., Suite 300 Las Vegas, NV 89118-3278 | $13,075,236 | Not listed | $3,278,657 | Dec. 2017 |
| 37 | Boys And Girls Club Of Las Vegas Foundation Inc. 2850 Lindell Road Las Vegas, NV 89146-6815 | $12,930,988 | $838,051 | $838,051 | Dec. 2017 |
| 38 | Elardi Foundation 3411 Las Vegas Blvd. South Las Vegas, NV 89109-8955 | $12,685,352 | Not listed | $202,078 | Dec. 2017 |
| 39 | Gilcrease Orchard Foundation PO Box 35317 Las Vegas, NV 89133-5317 | $12,602,887 | Not listed | $5,372,582 | Dec. 2016 |
Source: VEGAS INC research of Internal Revenue Service records. It is not the intent of this list to endorse the participants or to imply that the listing of a company indicates its quality. Although every attempt is made to ensure the accuracy and thoroughness of VEGAS INC charts, omissions sometimes occur and some businesses do not respond. Please send corrections or additions to [email protected].
This story originally appeared in the Las Vegas Weekly.