EntityWire/Maryland business entity search →/NATIONAL AQUARIUM INC
Tax-exempt organization
NATIONAL AQUARIUM INC
NATIONAL AQUARIUM INC's Employer Identification Number (EIN) is 52-1121163.
At a glance
- EIN
- 52-1121163 · 521121163
- Legal name
- NATIONAL AQUARIUM INC
- Also filed as
- NATIONAL AQUARIUM IN BALTIMORE, INC.
- Address on file
- 501 E PRATT ST, BALTIMORE, MD 21202-3103
- 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
- Inactive · Foreign profit corporation
- Source: Florida registry · as of 2026-07-10
- Florida document number
- F97000003268
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 1997-06-23
- Source: Florida registry · as of 2026-07-10
- Registered agent
- C T CORPORATION SYSTEM
- Source: Florida registry · as of 2026-07-10
- Last registry activity
- 1998-10-16
- Source: Florida registry · as of 2026-07-10
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-10-03
- Benefit plan 2, 2024 filing
- NATIONAL AQUARIUM INC. 401(K) RETIREMENT SAVINGS PLAN
- Source: DOL 5500 · as of 2025-10-03
IRS exempt organization record
IRS Exempt Organizations Business Master File · records as of 2026-09
- Tax-exempt status
- 501(c)(3) charitable, religious, educational
- Source: IRS · as of 2026-09
- Deductibility
- Contributions are deductible
- Source: IRS · as of 2026-09
- Foundation classification
- Publicly supported charity (509(a)(2))
- Source: IRS · as of 2026-09
- IRS ruling date
- 1979-04
- Source: IRS · as of 2026-09
- NTEE code
- D500
- Source: IRS · as of 2026-09
- Latest tax period on file
- 2024-12
- Source: IRS · as of 2026-09
- Revenue (latest 990)
- $74,375,786
- Source: IRS · as of 2026-09
- Assets (latest 990)
- $101,493,868
- Source: IRS · as of 2026-09
What this record is
Public filings that carry this EIN (DOL Form 5500 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 Maryland State Department of Assessments and Taxation (SDAT), Business Services Division, Business Charter Unit; see the Maryland 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.
Other Maryland businesses on file
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- HIGHLAND SPRINGS INCEIN 51-0536892
- AMERICAN SPEECH LANGUAGE & HEARING ASSNEIN 53-0240474
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- BRIGHTFOCUS FOUNDATIONEIN 23-7337229
- AMALGAMATED TRANSIT UNIONEIN 53-6014540
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