EntityWire

EntityWire / EIN 84-0529566

Employer with a benefit plan

WESTAT, INC.

EIN 84-0529566. What DOL Form 5500 filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data and Texas Comptroller active franchise taxpayers file say about this entity, with the source and date on every fact. Latest record 2026-09-05.

Employer with a benefit plan · State registration on file

WESTAT, INC.

1600 RESEARCH BLVD, ROCKVILLE, MD 208503129

EIN

84-0529566

Texas registration

Active · Foreign profit corporation

TX Comptroller · 2026-09-05

Texas document number

0800193764

TX Comptroller · 2026-09-05

Florida registration

Active · Foreign profit corporation

FL Div. of Corporations · 2026-07-10

Florida document number

F00000006561

FL Div. of Corporations · 2026-07-10

Registered in Florida

2000-11-27

FL Div. of Corporations · 2026-07-10

Registered agent

C T CORPORATION SYSTEM

FL Div. of Corporations · 2026-07-10

Last registry activity

2005-12-19

FL Div. of Corporations · 2026-07-10

Benefit plan 501, 2024 filing

WESTAT INC GROUP HEALTH AND LIFE INSURANCE

DOL · 2026-02-18

Participants (start of year)

1,863

DOL · 2026-02-18

Plan features

code 4A4B4D4E4F4H4Q4I

DOL · 2026-02-18

Plan type

Single-employer plan

DOL · 2026-02-18

Business code (NAICS)

541990

DOL · 2026-02-18

Benefit plan 501, 2023 filing

WESTAT INC GROUP HEALTH AND LIFE INSURANCE

DOL · 2026-02-18

Participants (start of year)

1,829

DOL · 2026-02-18

What this record is

Public federal filings that carry this EIN, shown as filed. Nothing here is scraped from the IRS and nothing is inferred.

What it is not

Registry status, formation date, and registered agent come from the state where the entity is registered, not from these federal filings.

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

All 306 Maryland businesses on file

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