| Other organizations in Colorado |
| Id | Name | Address | State | Established | Total Income |
| 1 | Archway Foal Rescue And Training | PO BOX 83, Severance, CO 80546-0083 | CO | 1996-02 | $33,053 |
| 2 | Arent Charitable Foundation | PO BOX 3394, Englewood, CO 80155-3394 | CO | 1959-05 | $691,187 |
| 3 | Argentum Foundation | 1510 E 10th Ave, Denver, CO 80218-3139 | CO | 1984-11 | $4,191,956 |
| 4 | Argyle Foundation | 4115 W 38th Ave, Denver, CO 80212-1923 | CO | 2003-06 | $43,979 |
| 5 | Ariel Clinical Services | 2938 North Ave Ste G, Grand Jct, CO 81504-5797 | CO | 1997-02 | $10,649,974 |
| 6 | Arising Hope International | PO BOX 1114, Eastlake, CO 80614-1114 | CO | 2009-01 | $66,608 |
| 7 | Aristocrat Ranchette Water Project Inc | PO BOX 247, Fort Lupton, CO 80621-0247 | CO | 1975-09 | $444,995 |
| 8 | Arjun Gupta Community Foundation | PO BOX 1319, Denver, CO 80201-1319 | CO | 2003-10 | $341,807 |
| 9 | Ark-Valley Humane Society Inc | PO BOX 1335, Buena Vista, CO 81211-1335 | CO | 1993-06 | $506,352 |
| 10 | Arkansas Groundwater Users Foundation, Agua | PO BOX 11446, Pueblo, CO 81001-0446 | CO | 1996-04 | $666,044 |
| 11 | Arkansas River Outfitters Association | Po Box 1555, Buena Vista, CO 81211 | CO | 2002-04 | $0 |
| 12 | Inspiration Field | 612 Adams Ave, La Junta, CO 81050-2535 | CO | 1974-08 | $6,504,558 |
| 13 | Arkansas Valley Community Concert Association | 2402 Santa Fe Ave, La Junta, CO 81050-3333 | CO | 1998-02 | $27,251 |
| 14 | Arkansas Valley Exposition And Fair | PO BOX 188, Rocky Ford, CO 81067-0188 | CO | 1974-10 | $202,861 |
| 15 | Arkansas Valley Hospice Inc | PO BOX 408, La Junta, CO 81050-0408 | CO | 1987-01 | $869,826 |
| 16 | Arkansas Valley Network Association | 1802 Colorado Ave Rm 210, La Junta, CO 81050-3415 | CO | 2000-02 | $19,887 |
| 17 | Arkansas Valley Pregnancy Center Inc | 118 W 4th St, La Junta, CO 81050-3604 | CO | 2000-09 | $164,590 |
| 18 | Arkansas Valley Resource Center Inc | PO BOX 716, La Junta, CO 81050-0716 | CO | 1988-04 | $274,252 |
| 19 | Arkansas Western Gas Company Post Retirement Veba For Coll Bargain | 600 12th St Ste 300, Golden, CO 80401-6142 | CO | 2000-02 | $23,001 |
| 20 | Arkansas Western Gas Company Post Retirement Veba For Non-Coll Barg | 600 12th St Ste 300, Golden, CO 80401-6142 | CO | 2000-02 | $580,726 |
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