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International Society of Infrared Millimeter and Terahertz Waves

EIN 27-0578778La Canada, CAScience & TechLatest 990 FY2025

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Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Oct 15, 2026, 10:54 PM ET
IRS listing
Listed
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
Registered
Charity type
509(a)(2)

$131krevenue
FY2025 · +97% in 3 yrs
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$100k$200k$300k’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin60.8%
Months of reserve9.2mo
Revenue growth (annualized)+9.5%
Middle half of peersMedianInternational Society of Infrared Millimeter and Terahertz Waves
Where the money goes FY2025 · $51k spent
Programs$49k95%Management and general$3k5%990 FY2025 · Part IX line 25