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Employer Identification Number 13-1656610

AMERICAN PHYSICAL SOCIETY is a USA domiciled entity or foreign entity operating in the USA. The EIN ihas been issued by the IRS

Company Name:AMERICAN PHYSICAL SOCIETY
Employer identification number (EIN):13-1656610
EIN Issuing AuthorityBrookhaven, NY
NAIC Classification:611000
401k Pension/Benefits registration AMERICAN PHYSICAL SOCIETY 401k plan information
Federal tax statusExempt from federal income tax. Registered as a non-profit under 501(c)(3) Title 26 of the United States Code

Organization Overview

Mission StatementTO ADVANCE AND DIFFUSE THE KNOWLEDGE OF PHYSICS.
Number of Employees257
Number of Volunteers800
Year Formed1914

Organization Governance

Legal DomicileDC
Voting Members - Governing Body14
Voting Members - Independent14

Organization Financials

2024-12-31
Total unrelated business incomeUSD $ 193,093
Net unrelated business incomeUSD $ 906,397
Program Service Revenue from prior yearUSD $ 62,571,867
Program Service Revenue from current yearUSD $ 68,538,716
Investment Income from prior yearUSD $ 46,942,556
Investment Income from current yearUSD $ 28,118,200
Other Revenue from prior yearUSD $ 127,241
Other Revenue from current yearUSD $ 146,238
Gross receipts from all sourcesUSD $ 150,547,520
Net assets / fund balances at end of fiscal yearUSD $ 279,082,581
Net assets / fund balances at beginning of fiscal yearUSD $ 260,245,860
Total liabilities at end of fiscal yearUSD $ 33,931,660
Total liabilities at beginning of fiscal yearUSD $ 36,163,426
Total assets at end of fiscal yearUSD $ 313,014,241
Total assets at beginning of fiscal yearUSD $ 296,409,286
Revenues less expenses for current yearUSD $ 15,384,743
Revenues less expenses for previous yearUSD $ 38,745,987
Total expenses for current yearUSD $ 90,947,319
Total expenses for previous yearUSD $ 80,092,003
Other expenses in current yearUSD $ 37,897,488
Other expenses in previous yearUSD $ 33,024,115
Total fundraising expenses in current yearUSD $ 967,347
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 48,890,449
Employee salary and benefits paid in previous yearUSD $ 43,099,002
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 4,159,382
Grants and similar amounts paid in previous yearUSD $ 3,968,886
Total revenue in current fiscal yearUSD $ 106,332,062
Total revenue in previous fiscal yearUSD $ 118,837,990
Contributions and grants from current yearUSD $ 9,528,908
Contributions and grants from previous yearUSD $ 9,196,326
Gross income from fundraising eventsUSD $ 0
Cost of goods soldUSD $ 0
Revenue from membership duesUSD $ 3,988,893
Gross income from gamingUSD $ 0
Gross sales of inventory assetsUSD $ 0
Total of other revenueUSD $ 0
2022-12-31
Total unrelated business incomeUSD $ 182,161
Net unrelated business incomeUSD $ 109,889
Program Service Revenue from prior yearUSD $ 54,920,830
Program Service Revenue from current yearUSD $ 56,972,782
Investment Income from prior yearUSD $ 19,891,980
Investment Income from current yearUSD $ 5,335,883
Other Revenue from prior yearUSD $ 110,966
Other Revenue from current yearUSD $ 125,264
Gross receipts from all sourcesUSD $ 95,126,646
Net assets / fund balances at end of fiscal yearUSD $ 227,877,798
Net assets / fund balances at beginning of fiscal yearUSD $ 268,001,182
Total liabilities at end of fiscal yearUSD $ 34,422,029
Total liabilities at beginning of fiscal yearUSD $ 26,466,300
Total assets at end of fiscal yearUSD $ 262,299,827
Total assets at beginning of fiscal yearUSD $ 294,467,482
Revenues less expenses for current yearUSD $ 1,864
Revenues less expenses for previous yearUSD $ 23,468,095
Total expenses for current yearUSD $ 71,210,235
Total expenses for previous yearUSD $ 59,804,272
Other expenses in current yearUSD $ 31,472,120
Other expenses in previous yearUSD $ 22,942,275
Total fundraising expenses in current yearUSD $ 909,543
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 36,864,592
Employee salary and benefits paid in previous yearUSD $ 34,592,358
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 2,873,523
Grants and similar amounts paid in previous yearUSD $ 2,269,639
Total revenue in current fiscal yearUSD $ 71,212,099
Total revenue in previous fiscal yearUSD $ 83,272,367
Contributions and grants from current yearUSD $ 8,778,170
Contributions and grants from previous yearUSD $ 8,348,591
Gross income from fundraising eventsUSD $ 0
Cost of goods soldUSD $ 0
Revenue from membership duesUSD $ 4,086,034
Gross income from gamingUSD $ 0
Gross sales of inventory assetsUSD $ 0
Total of other revenueUSD $ 0
2021-12-31
Total unrelated business incomeUSD $ 148,987
Net unrelated business incomeUSD $ 84,243
Program Service Revenue from prior yearUSD $ 48,848,003
Program Service Revenue from current yearUSD $ 58,598,812
Investment Income from prior yearUSD $ 10,844,998
Investment Income from current yearUSD $ 19,891,980
Other Revenue from prior yearUSD $ 63,304
Other Revenue from current yearUSD $ 110,966
Gross receipts from all sourcesUSD $ 87,672,130
Net assets / fund balances at end of fiscal yearUSD $ 268,001,182
Net assets / fund balances at beginning of fiscal yearUSD $ 240,891,074
Total liabilities at end of fiscal yearUSD $ 26,466,300
Total liabilities at beginning of fiscal yearUSD $ 30,725,165
Total assets at end of fiscal yearUSD $ 294,467,482
Total assets at beginning of fiscal yearUSD $ 271,616,239
Revenues less expenses for current yearUSD $ 23,468,095
Revenues less expenses for previous yearUSD $ 10,946,754
Total expenses for current yearUSD $ 59,804,272
Total expenses for previous yearUSD $ 57,095,164
Other expenses in current yearUSD $ 22,942,275
Other expenses in previous yearUSD $ 19,912,928
Total fundraising expenses in current yearUSD $ 864,911
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 34,592,358
Employee salary and benefits paid in previous yearUSD $ 34,755,308
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 2,269,639
Grants and similar amounts paid in previous yearUSD $ 2,426,928
Total revenue in current fiscal yearUSD $ 83,272,367
Total revenue in previous fiscal yearUSD $ 68,041,918
Contributions and grants from current yearUSD $ 4,670,609
Contributions and grants from previous yearUSD $ 8,285,613
Gross income from fundraising eventsUSD $ 0
Cost of goods soldUSD $ 0
Revenue from membership duesUSD $ 490,129
Gross income from gamingUSD $ 0
Gross sales of inventory assetsUSD $ 0
Total of other revenueUSD $ 0
2020-12-31
Total unrelated business incomeUSD $ 106,073
Net unrelated business incomeUSD $ 66,491
Program Service Revenue from prior yearUSD $ 55,927,636
Program Service Revenue from current yearUSD $ 48,848,003
Investment Income from prior yearUSD $ 8,860,897
Investment Income from current yearUSD $ 10,844,998
Other Revenue from prior yearUSD $ 40,845
Other Revenue from current yearUSD $ 63,304
Gross receipts from all sourcesUSD $ 80,738,092
Net assets / fund balances at end of fiscal yearUSD $ 240,891,074
Net assets / fund balances at beginning of fiscal yearUSD $ 212,174,998
Total liabilities at end of fiscal yearUSD $ 30,725,165
Total liabilities at beginning of fiscal yearUSD $ 35,521,787
Total assets at end of fiscal yearUSD $ 271,616,239
Total assets at beginning of fiscal yearUSD $ 247,696,785
Revenues less expenses for current yearUSD $ 10,946,754
Revenues less expenses for previous yearUSD $ 11,708,166
Total expenses for current yearUSD $ 57,095,164
Total expenses for previous yearUSD $ 61,060,763
Other expenses in current yearUSD $ 19,912,928
Other expenses in previous yearUSD $ 26,511,584
Total fundraising expenses in current yearUSD $ 662,838
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 34,755,308
Employee salary and benefits paid in previous yearUSD $ 31,749,055
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 2,426,928
Grants and similar amounts paid in previous yearUSD $ 2,800,124
Total revenue in current fiscal yearUSD $ 68,041,918
Total revenue in previous fiscal yearUSD $ 72,768,929
Contributions and grants from current yearUSD $ 8,285,613
Contributions and grants from previous yearUSD $ 7,939,551
Gross income from fundraising eventsUSD $ 0
Cost of goods soldUSD $ 0
Revenue from membership duesUSD $ 4,302,685
Gross income from gamingUSD $ 0
Gross sales of inventory assetsUSD $ 0
Total of other revenueUSD $ 0
2019-12-31
Total unrelated business incomeUSD $ 123,351
Net unrelated business incomeUSD $ 29,354
Program Service Revenue from prior yearUSD $ 51,606,625
Program Service Revenue from current yearUSD $ 55,927,636
Investment Income from prior yearUSD $ 7,680,160
Investment Income from current yearUSD $ 8,860,897
Other Revenue from prior yearUSD $ 7,148
Other Revenue from current yearUSD $ 40,845
Gross receipts from all sourcesUSD $ 88,558,281
Net assets / fund balances at end of fiscal yearUSD $ 212,174,998
Net assets / fund balances at beginning of fiscal yearUSD $ 179,337,799
Total liabilities at end of fiscal yearUSD $ 35,521,787
Total liabilities at beginning of fiscal yearUSD $ 35,004,036
Total assets at end of fiscal yearUSD $ 247,696,785
Total assets at beginning of fiscal yearUSD $ 214,341,835
Revenues less expenses for current yearUSD $ 11,708,166
Revenues less expenses for previous yearUSD $ 11,179,777
Total expenses for current yearUSD $ 61,060,763
Total expenses for previous yearUSD $ 55,667,360
Other expenses in current yearUSD $ 26,511,584
Other expenses in previous yearUSD $ 24,978,540
Total fundraising expenses in current yearUSD $ 864,610
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 31,749,055
Employee salary and benefits paid in previous yearUSD $ 28,248,758
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 2,800,124
Grants and similar amounts paid in previous yearUSD $ 2,440,062
Total revenue in current fiscal yearUSD $ 72,768,929
Total revenue in previous fiscal yearUSD $ 66,847,137
Contributions and grants from current yearUSD $ 7,939,551
Contributions and grants from previous yearUSD $ 7,553,204
Gross income from fundraising eventsUSD $ 0
Cost of goods soldUSD $ 0
Revenue from membership duesUSD $ 4,070,025
Gross income from gamingUSD $ 0
Gross sales of inventory assetsUSD $ 0
Total of other revenueUSD $ 0
2018-12-31
Total unrelated business incomeUSD $ 127,428
Net unrelated business incomeUSD $ 93,680
Program Service Revenue from prior yearUSD $ 48,880,136
Program Service Revenue from current yearUSD $ 51,606,625
Investment Income from prior yearUSD $ 7,085,528
Investment Income from current yearUSD $ 7,680,160
Other Revenue from prior yearUSD $ 0
Other Revenue from current yearUSD $ 7,148
Gross receipts from all sourcesUSD $ 84,001,884
Net assets / fund balances at end of fiscal yearUSD $ 179,337,799
Net assets / fund balances at beginning of fiscal yearUSD $ 180,597,616
Total liabilities at end of fiscal yearUSD $ 35,004,036
Total liabilities at beginning of fiscal yearUSD $ 32,509,673
Total assets at end of fiscal yearUSD $ 214,341,835
Total assets at beginning of fiscal yearUSD $ 213,107,289
Revenues less expenses for current yearUSD $ 11,179,777
Revenues less expenses for previous yearUSD $ 9,067,044
Total expenses for current yearUSD $ 55,667,360
Total expenses for previous yearUSD $ 54,859,984
Other expenses in current yearUSD $ 24,978,540
Other expenses in previous yearUSD $ 22,552,001
Total fundraising expenses in current yearUSD $ 883,777
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 28,248,758
Employee salary and benefits paid in previous yearUSD $ 29,858,894
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 2,440,062
Grants and similar amounts paid in previous yearUSD $ 2,449,089
Total revenue in current fiscal yearUSD $ 66,847,137
Total revenue in previous fiscal yearUSD $ 63,927,028
Contributions and grants from current yearUSD $ 7,553,204
Contributions and grants from previous yearUSD $ 7,961,364
Gross income from fundraising eventsUSD $ 0
Cost of goods soldUSD $ 0
Revenue from membership duesUSD $ 4,058,548
Gross income from gamingUSD $ 0
Gross sales of inventory assetsUSD $ 0
Total of other revenueUSD $ 0
2017-12-31
Total unrelated business incomeUSD $ 100,050
Net unrelated business incomeUSD $ 60,510
Program Service Revenue from prior yearUSD $ 45,388,914
Program Service Revenue from current yearUSD $ 48,880,136
Investment Income from prior yearUSD $ 2,908,288
Investment Income from current yearUSD $ 7,085,528
Other Revenue from prior yearUSD $ 0
Other Revenue from current yearUSD $ 0
Gross receipts from all sourcesUSD $ 66,352,787
Net assets / fund balances at end of fiscal yearUSD $ 180,597,616
Net assets / fund balances at beginning of fiscal yearUSD $ 145,681,085
Total liabilities at end of fiscal yearUSD $ 32,509,673
Total liabilities at beginning of fiscal yearUSD $ 40,539,570
Total assets at end of fiscal yearUSD $ 213,107,289
Total assets at beginning of fiscal yearUSD $ 186,220,655
Revenues less expenses for current yearUSD $ 9,067,044
Revenues less expenses for previous yearUSD $ 80,514
Total expenses for current yearUSD $ 54,859,984
Total expenses for previous yearUSD $ 55,404,927
Other expenses in current yearUSD $ 22,552,001
Other expenses in previous yearUSD $ 22,536,513
Total fundraising expenses in current yearUSD $ 773,132
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 29,858,894
Employee salary and benefits paid in previous yearUSD $ 29,820,044
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 2,449,089
Grants and similar amounts paid in previous yearUSD $ 3,048,370
Total revenue in current fiscal yearUSD $ 63,927,028
Total revenue in previous fiscal yearUSD $ 55,485,441
Contributions and grants from current yearUSD $ 7,961,364
Contributions and grants from previous yearUSD $ 7,188,239
Gross income from fundraising eventsUSD $ 0
Cost of goods soldUSD $ 0
Revenue from membership duesUSD $ 4,069,466
Gross income from gamingUSD $ 0
Gross sales of inventory assetsUSD $ 0
Total of other revenueUSD $ 0
2015-12-31
Total unrelated business incomeUSD $ 85,325
Net unrelated business incomeUSD $ 49,412
Program Service Revenue from prior yearUSD $ 43,020,379
Program Service Revenue from current yearUSD $ 46,642,696
Investment Income from prior yearUSD $ 5,835,260
Investment Income from current yearUSD $ 5,009,319
Other Revenue from prior yearUSD $ 0
Other Revenue from current yearUSD $ 0
Gross receipts from all sourcesUSD $ 63,135,686
Net assets / fund balances at end of fiscal yearUSD $ 138,278,962
Net assets / fund balances at beginning of fiscal yearUSD $ 138,710,073
Total liabilities at end of fiscal yearUSD $ 38,395,781
Total liabilities at beginning of fiscal yearUSD $ 35,024,982
Total assets at end of fiscal yearUSD $ 176,674,743
Total assets at beginning of fiscal yearUSD $ 173,735,055
Revenues less expenses for current yearUSD $ 4,819,930
Revenues less expenses for previous yearUSD $ 5,286,719
Total expenses for current yearUSD $ 53,540,266
Total expenses for previous yearUSD $ 51,407,941
Other expenses in current yearUSD $ 22,510,538
Other expenses in previous yearUSD $ 21,722,503
Total fundraising expenses in current yearUSD $ 627,507
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 28,335,782
Employee salary and benefits paid in previous yearUSD $ 26,988,082
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 2,693,946
Grants and similar amounts paid in previous yearUSD $ 2,697,356
Total revenue in current fiscal yearUSD $ 58,360,196
Total revenue in previous fiscal yearUSD $ 56,694,660
Contributions and grants from current yearUSD $ 6,708,181
Contributions and grants from previous yearUSD $ 7,839,021
Gross income from fundraising eventsUSD $ 0
Cost of goods soldUSD $ 0
Revenue from membership duesUSD $ 3,915,663
Gross income from gamingUSD $ 0
Gross sales of inventory assetsUSD $ 0
Total of other revenueUSD $ 0

Organization Addresses

The following addresses have been detected as associated with Tax Indentification Number 131656610

USA Mailing Address
ONE PHYSICS ELLIPSE
COLLEGE PARK
MD
207403842
Date first seen: 2010-05-25
Date last seen: 2018-09-04
USA Location Address
ONE PHYSICS ELLIPSE
COLLEGE PARK
MD
20740
Date first seen: 2007-01-01
Date last seen: 2026-01-31
USA Mailing Address
1 PHYSICS ELLIPSE
COLLEGE PARK
MD
207403841
Date first seen: 2016-05-20
Date last seen: 2026-05-13
USA Location Address
1 PHYSICS ELLIPSE
COLLEGE PARK
MD
207403841
Date first seen: 2016-05-20
Date last seen: 2018-10-19
USA Mailing Address
One Physics Ellipse
College Park
MD
207403844
Date first seen: 2018-11-14
Date last seen: 2025-11-17
USA Mailing Address
ONE PHYSICS ELLIPSE
COLLEGE PARK
MD
20740
Date first seen: 2008-07-01
Date last seen: 2026-02-25
USA Mailing Address
ONE PHYSICS ELLIPSE, FIFTH FLOOR
COLLEGE PARK
MD
20740
Date first seen: 2008-07-01
Date last seen: 2026-05-13

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The following companies are located in the same ZIP code areas:

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