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Data / Nonprofits / Colorado / Longmont / Science and technology

Science and technology nonprofits in Longmont, CO: 5 registered with the IRS

5 science and technology nonprofits are registered with the IRS in Longmont, CO, 5 of them 501(c)(3) charities; the 2 that report revenue took in $892,436. The largest by revenue: Tinkermill ($573,708), Paleocultural Research Group ($318,728).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Tinkermill501(c)(3)2014$573,708$1.6 million2024-12
Paleocultural Research Group501(c)(3)1997$318,728$65,8102024-12
Human Institute501(c)(3)2025$0$02025-12
Rocky Mountain Electric Metering Association Inc501(c)(3)2014$0$02026-06
Wunder Institute Inc501(c)(3)2021$0$02025-12

Other causes in Longmont, CO

Every nonprofit in Longmont, CO · Science and technology nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.