Tax-exempt organization · Files a Form 5500 · State registration on file
NATSO
1330 BRADDOCK PLACE, ALEXANDRIA, VA 22314-1694
EIN
52-0791433
Tax-exempt status
501(c)(6) business league
IRS · 2026-09
Deductibility
Contributions are not deductible
IRS · 2026-09
IRS ruling date
1967-09
IRS · 2026-09
Latest tax period on file
2024-12
IRS · 2026-09
Revenue (latest 990)
$4,970,362
IRS · 2026-09
Assets (latest 990)
$5,790,993
IRS · 2026-09
Florida registration
Inactive · Foreign not-for-profit corporation
FL Div. of Corporations · 2026-07-10
Florida document number
F18000003655
FL Div. of Corporations · 2026-07-10
Registered in Florida
2018-08-07
FL Div. of Corporations · 2026-07-10
Last registry activity
2026-03-20
FL Div. of Corporations · 2026-07-10
Benefit plan 2, 2024 filing
NATSO, INC. 401(K) PLAN
DOL · 2025-07-08
Participants (start of year)
21
DOL · 2025-07-08
Plan assets (end of year)
$6,404,628
DOL · 2025-07-08
Plan features
code 2A2E2F2G2J2K2T3D
DOL · 2025-07-08