Looking for a specific nonprofit?
Search 1.9 million IRS-registered organisations by name, EIN, sector, or location.
Connecticut · NTEE Z
Unknown Nonprofits in Connecticut
Givalgo Discover indexes 50 active unknown nonprofits headquartered in Connecticut. The list below is sorted by reported revenue on the most recent Form 990 indexed for each organisation.
Top 50 by reported revenue
From the most recent Form 990 indexed for each organisation. Click an org for full diligence detail.
Frequently asked questions about unknown nonprofits in Connecticut
Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.
Frequently asked questions about unknown nonprofits in Connecticut
Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.
- How many unknown nonprofits operate in Connecticut?
- Every IRS-registered unknown nonprofit in Connecticut appears in the Givalgo Discover index. The top 50 by reported revenue are listed on this page; the full set is searchable on discover.givalgo.ai.
- What's the largest unknown nonprofit in Connecticut?
- The single largest unknown nonprofit in Connecticut by reported total revenue is shown at the top of the list on this page, sourced from each organisation's most recent IRS Form 990 filing.
- How do I vet a unknown nonprofit in Connecticut before donating?
- Use Givalgo Discover's free profile for the organisation: it cross-references the IRS Auto-Revocation List, IRS Publication 78, and the IRS Business Master File, and exposes the latest Form 990 financials and governance signals on a single page.
- Are donations to Connecticut unknown nonprofits tax-deductible?
- Federal deductibility is determined by IRS Publication 78 status, not state location. Donations to a Pub 78-listed unknown nonprofit in Connecticut are tax-deductible at the federal level; Connecticut state tax treatment may differ.
- Where do unknown nonprofits in Connecticut file their Form 990?
- All US tax-exempt organisations file Form 990 with the IRS at the federal level — there is no state-specific filing for the federal exemption itself. Connecticut state charity registration is a separate state-level requirement.