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Data / Nonprofits / Colorado / Longmont / Community improvement and capacity building

Community improvement and capacity building nonprofits in Longmont, CO: 21 registered with the IRS

21 community improvement and capacity building nonprofits are registered with the IRS in Longmont, CO, 11 of them 501(c)(3) charities; the 10 that report revenue took in $24.6 million. The largest by revenue: Oweesta Corporation ($19.1 million), Twin Cities Schools Telecommunications Group Inc ($4.5 million), Longmont Area Visitors Association Inc ($539,498).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Oweesta Corporation501(c)(3)2000$19.1 million$117.8 million2025-06
Twin Cities Schools Telecommunications Group Inc501(c)(4)2002$4.5 million$28.8 million2025-03
Longmont Area Visitors Association Inc501(c)(6)2009$539,498$287,5832025-12
Skyline Longmont Kiwanis Foundation501(c)(3)2014$207,772$61,8992025-09
Masonic Temple Board of Trustees Inc501(c)(2)2016$123,599$466,8922025-11
Billiard Education Foundation501(c)(3)1993$109,952$169,6642025-09
Mead Mavericks Boosters Inc501(c)(3)2025$37,430$15,6932024-12
Longmont Rotary Charity Fund Inc501(c)(3)2022$37,128$683,8362025-12
Dream Worthy501(c)(3)2018$36,136$848,2772024-12
Carbon Valley Chamber of Commerce501(c)(6)2004$4,527$175,7382025-12
Anasazi Trust501(c)(3)2024$0$02025-12
Aroma Therapy Registration Council501(c)(6)2000$0$02025-12
Boxer Club of Colorado501(c)(7)2019$0$02025-12
Colorado Science Convention501(c)(6)2011$0$02025-12
Digna Global Inc501(c)(3)2020$0$02025-12
Envision Life Consortium501(c)(3)2018$0$02025-06
Hellenbach Castle Foundation501(c)(3)2014$0$02025-04
Mission Driven Strategy501(c)(3)2015$11,4682025-12
Northern Colorado Issa Chapter501(c)(6)2026$0$02018-12
Rocky Mountain Tool Collectors501(c)(7)2025$0$02024-12
Thornton Residents for Responsible Development501(c)(4)2023$0$02025-07

Other causes in Longmont, CO

Every nonprofit in Longmont, CO · Community improvement and capacity building 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.