EntityWire/New Jersey business entity search →/MSO INC
Tax-exempt organization
MSO INC
MSO INC's Employer Identification Number (EIN) is 52-1755454.
At a glance
- EIN
- 52-1755454 · 521755454
- Legal name
- MSO INC
- Also filed as
- THE MUTUAL SERVICE OFFICE INC.
- Address on file
- 139 HARRISTOWN ROAD, GLEN ROCK, NJ 07452-3312
- Records show
- Tax-exempt organization; employer with a benefit plan; state registration
- Latest record
- 2026-09
State registration
Florida Division of Corporations (Sunbiz) bulk data · records as of 2026-07-10
- Florida registration
- Active · Foreign not-for-profit corporation
- Source: Florida registry · as of 2026-07-10
- Florida document number
- F11000002020
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 2011-05-05
- Source: Florida registry · as of 2026-07-10
- Registered agent
- CORPORATION SERVICE COMPANY
- Source: Florida registry · as of 2026-07-10
Benefit plans
DOL Form 5500-SF filings (EFAST2) · records as of 2025-04-03
- Benefit plan 2, 2024 filing
- MSO, INC.401(K)PROFIT SHARING PLAN
- Source: DOL 5500-SF · as of 2025-04-03
- Participants (start of year)
- 20
- Source: DOL 5500-SF · as of 2025-04-03
- Plan assets (end of year)
- $9,122,849
- Source: DOL 5500-SF · as of 2025-04-03
- Plan features
- Profit-sharing; ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching; Pension plan with defined contribution
- Source: DOL 5500-SF · as of 2025-04-03
IRS exempt organization record
IRS Exempt Organizations Business Master File · records as of 2026-09
- Tax-exempt status
- 501(c)(6) business league
- Source: IRS · as of 2026-09
- Deductibility
- Contributions are not deductible
- Source: IRS · as of 2026-09
- IRS ruling date
- 1992-01
- Source: IRS · as of 2026-09
- Latest tax period on file
- 2025-12
- Source: IRS · as of 2026-09
- Revenue (latest 990)
- $4,328,412
- Source: IRS · as of 2026-09
- Assets (latest 990)
- $3,377,940
- Source: IRS · as of 2026-09
What this record is
Public filings that carry this EIN (DOL Form 5500-SF filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data and IRS Exempt Organizations Business Master File), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the New Jersey Department of the Treasury, Division of Revenue and Enterprise Services (DORES); see the New Jersey business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
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