| Other organizations in Oregon |
| Id ↑ | Name | Address | State | Established | Total Income |
| 1 | International Federation Of Professional & Technical Engineers | Po Box 2870, Portland, OR 97208 | OR | 1941-10 | $0 |
| 2 | International Institute For Human Evolutionary Research | 2600 Nw College Way, Bend, OR 97701-5933 | OR | 1991-08 | $0 |
| 3 | International Longshore & Warehouse Union, 53 Ilwu | PO BOX 1010, Newport, OR 97365-0076 | OR | 1942-09 | $0 |
| 4 | International Oceanographic Hero Foundation | 2650 Frontage Rd, Reedsport, OR 97467-1813 | OR | 1986-05 | $0 |
| 5 | International Order Of Handicapped Radio Amateurs | 300 Luman Rd 40, Phoenix, OR 97535 | OR | 1985-09 | $0 |
| 6 | International Order Of The Rainbow Girls | 10942 Se Ash St, Portland, OR 97216 | OR | 1942-07 | $0 |
| 7 | International Order Of The Rainbow Girls, 11 Knowles Assembly | 3680 Ne Grandhaven Dr, Mcminnville, OR 97128-9194 | OR | 1942-07 | $0 |
| 8 | International Order Of The Rainbow Girls, 96 Rogue Valley Assembly | 5055 S Pacific Hwy, Phoenix, OR 97535-6605 | OR | 1928-08 | $0 |
| 9 | International Order Of The Rainbow Girls, Mt Scott Assembly #15 | 5811 Se 92 Nd Ave, Portland, OR 97266 | OR | 1942-07 | $0 |
| 10 | International Portland Select | 3754 Se Yamhill St, Portland, OR 97214-4353 | OR | 2000-12 | $0 |
| 11 | International Reading Association Inc, Mt Hood Reading Council | 1491 Sw Willowbrook Ave, Gresham, OR 97080 | OR | 1965-05 | $0 |
| 12 | International Training In Communication, 129 Eugene Club | 1800 Lakewood Ct Spc 134, Eugene, OR 97402-1663 | OR | 1954-11 | $0 |
| 13 | International Training In Communication, 132 Tillamook | 5206 Kenway Dr, Tillamook, OR 97141-3170 | OR | 1954-11 | $0 |
| 14 | International Training In Communication, 2018 Westway | 2140 Se 92nd Ave, Portland, OR 97216-2027 | OR | 1954-11 | $0 |
| 15 | International Training In Communication, 2548 Mt Tabor | 1640 Se 72nd Ave, Portland, OR 97215-3508 | OR | 1954-11 | $0 |
| 16 | International Training In Communication, 3669 Tualatin Valley | 6663 Se Wrenfield St, Hillsboro, OR 97123-5684 | OR | 1954-11 | $0 |
| 17 | Internet Professionals Northwest | 601 Sw 2nd Ave Ste 2100, Portland, OR 97204-3158 | OR | 1998-10 | $0 |
| 18 | Interschool Television | 924 Sw Pine St Apt E, Grants Pass, OR 97526-2742 | OR | 2006-07 | $0 |
| 19 | Intertribal Gis Council | PO BOX 1937, Pendleton, OR 97801-0975 | OR | 1998-01 | $0 |
| 20 | Interventions Northwest Inc | 1696 Adkins St Apt 2, Eugene, OR 97401-5037 | OR | 2001-01 | $0 |
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