INTERNATIONAL SOCIETY OF INFRARED MILLIMETER AND TERAHERTZ WAVES, of LA CANADA, CA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $131K in revenue, $51K in expenses, $1.1M in total assets. 1 publicly reported grants to this organization, totaling roughly $20K, appear in IRS filings.
SCIENTIFIC SOCIETY THAT HOSTS ONE SCIENTIFIC CONFERENCE EACH CALENDAR YEAR, PROMOTES THE CONTRIBUTION OF RESEARCH TO TWO SCIENTIFIC JOURNALS (IEEE TRANS. ON TERAHERTZ SCIENCE AND TECHNOLOGY AND JOURNAL OF INFRARED, MILLIMETER, AND TERAHERTZ WAVES), AND SERVES AS STEWARD AND DISTRIBUTOR OF THE KENNETH J BUTTON PRIZE FOR SIGNIFICANT ADVANCES IN THE FIELD OF INFRARED, MILLIMETER, AND TERAHERTZ WAVES. THE SOCIETY IS AN ALL VOLUNTEER ORGANIZATION WITH BY LAWS AND WEBSITE AT WWW.IRMMW-THZ.ORG
How International Society of Infrared Millimeter and Terahertz Waves divides every $100 it spends, from its own Form 990 filings, averaged across 8 years.
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Showing up to 5 of 1 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $131K | $51K | $1.1M |
| 2024 | $286K | $86K | $985K |
| 2023 | $25K | $114K | $784K |
| 2022 | $67K | $62K | $873K |
| 2020 | $210K | $48K | $870K |
Between 2020 and 2025, reported annual revenue declined from $210K to $131K (-38%), with total assets most recently reported at $1.1M.
Interactive year-over-year charts and full filing details available with membership.
