| Mathematical Optimization Society Inc |
| Employer Identification Number (EIN) | 232161580 |
| Name of Organization | Mathematical Optimization Society Inc |
| In Care of Name | Siam |
| Address | 3600 University Science Center, Philadelphia, PA 19104 |
| Activities | Publishing activities, Described in section 509(a)(2) of the Code |
| Subsection | Educational Organization |
| Ruling Date | 03/1981 |
| Deductibility | Contributions are deductible |
| Foundation | Organization that normally receives no more than one third of its support from gross investment income and unrelated business income and at the same time more than one third of its support from contributions, fees, and gross receipts related to exempt purposes |
| Organization | Corporation |
| Exempt Organization Status | Unconditional Exemption |
| Tax Period | 12/2010 |
| Assets | $100,000 to $499,999 |
| Income | $100,000 to $499,999 |
| Filing Requirement | 990 (all other) or 990EZ return |
| Asset Amount | $423,619 |
| Amount of Income | $137,591 |
| Form 990 Revenue Amount | $137,591 |
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| 1 | Main Street Gettysburg Inc | 116 Baltimore Street, Gettysburg, PA 17325-2382 | PA | 1992-03 | $486,301 |
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| 3 | Maple Hill Foundation | 100 Front St Ste 950, W Cnshohocken, PA 19428-2878 | PA | 1986-12 | $145,304 |
| 4 | Margaret Dorrance Strawbridge Fdn Of Pa 1 Inc | C/O Dechert 2929 Arch St, Philadelphia, PA 19104 | PA | 1987-04 | $5,355,348 |
| 5 | Margaret Dorrance Strawbridge Fdn Of Pa 11 Inc | 2011 Renaissance Blvd, Kng Of Prussa, PA 19406-2782 | PA | 1987-04 | $2,081,712 |
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| 12 | Mary C Leblond Trust Ud 6-23-69 For The Briggs Cunningham Profess | PO BOX 185, Pittsburgh, PA 15230-0185 | PA | 1973-02 | $592,139 |
| 13 | Mary Hillman Jennings Foundation, 2203 Allegheny Tower | 330 Grant St Ste 2000, Pittsburgh, PA 15219 | PA | 1969-04 | $356,175 |
| 14 | Mary W Van Dusen Trust Ud 9-30-64 2284300 | PO BOX 185, Pittsburgh, PA 15230-0185 | PA | 2003-04 | $7,432,843 |
| 15 | Massey Charitable Trust, Carroll Walter J Ttee | 1370 Washington Pike Ste 306, Bridgeville, PA 15017-2839 | PA | 1968-12 | $5,653,056 |
| 16 | Mathematical Optimization Society Inc | 3600 University Science Center, Philadelphia, PA 19104 | PA | 1981-03 | $137,591 |
| 17 | Matthew Hillman Fisher Foundation | 330 Grant St Ste 2000, Pittsburgh, PA 15219-2309 | PA | 1995-01 | $182,509 |
| 18 | Mauch Chunk Museum And Cultural Center Inc | 41 W Broadway, Jim Thorpe, PA 18229-1931 | PA | 1994-01 | $56,193 |
| 19 | Mccandless-Franklin Park Ambulance Authority | PO BOX 1, Ingomar, PA 15127-0001 | PA | 1977-10 | $2,360,283 |
| 20 | Mcconnellsburg Volunteer Fire Company No 1 Inc | PO BOX 724, Mc Connellsbg, PA 17233-0724 | PA | 2000-09 | $788,751 |
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| 24 | Mental Health America Of York And Adams Counties | 36 S Queen St, York, PA 17403-2018 | PA | 1987-07 | $708,264 |
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| 29 | Midway Volunteer Fire Co 1 | 202 Linden Ave, Hanover, PA 17331-4716 | PA | 1990-06 | $598,656 |
| 30 | Miller-Worley Foundation, Worley Richard B Ttee | 1111 Barberry Rd, Bryn Mawr, PA 19010-1907 | PA | 1997-05 | $2,367,156 |
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