Is Four - S Post Membership Corp a legitimate nonprofit?

Yes. Four - S Post Membership Corp is a 501(c)(4) organization registered with the U.S. Internal Revenue Service under EIN 11-6104976, based in East Islip, New York. Donations are tax-deductible.

What is Four - S Post Membership Corp's EIN?

Four - S Post Membership Corp's Employer Identification Number (EIN) is 11-6104976.

Four - S Post Membership Corp

501(c)(4) Donations tax-deductiblePublic Benefit

Four - S Post Membership Corp is a 501(c)(4) organization based in East Islip, New York, registered in 2025.

Po Box 142, East Islip, NY, 11730 EIN 11-6104976 Since 2025

Revenue

—

Public Benefit median: $140K

Expenses

—

Net assets

—

Employees

—

Contact & location

Address: Po Box 142, East Islip, NY, 11730
City: East Islip
State: New York
Category: Public & Societal Benefit
Subcategory: Military & Veterans Organizations

Similar organizations in Public Benefit

Compare Four - S Post Membership Corp

vs Rainbow Connection Alliance Inc vs New York Chapter-combat Veterans Motorcycle Association 19-2 Inc vs Carner Etman Smith Post 6340 VFW of the vs Ribbons of Gold Cancer Foundation Inc

Frequently asked questions

Is Four - S Post Membership Corp a legitimate nonprofit?: Yes. Four - S Post Membership Corp is a 501(c)(4) organization registered with the U.S. Internal Revenue Service under EIN 11-6104976, based in East Islip, New York. Donations are tax-deductible.
What is Four - S Post Membership Corp's EIN?: Four - S Post Membership Corp's Employer Identification Number (EIN) is 11-6104976.

More nonprofits in East Islip

Exchange Ambulance Corporation of the Islips East Islip Soccer Club Alzheimers Disease Resourcecenter Inc Islip Arts Council Inc Nassau-suffolk Performing Arts Ltd East Islip Volunteer Exempt Firemens Benevolent Association

Explore more

Best-rated Public Benefit charities Best-rated Public Benefit in New York Public Benefit nonprofits in New York Public Benefit nationwide Nonprofits in East Islip Largest in New York How to verify a charity

Data for Four - S Post Membership Corp (EIN 11-6104976) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.