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EntityWire/Wisconsin business entity search →/PLEXUS CORP.

Employer with a benefit plan

PLEXUS CORP.

The Employer Identification Number (EIN) for PLEXUS CORP. is 39-1344447.

At a glance

EIN
39-1344447 · 391344447
Legal name
PLEXUS CORP.
Address on file
ONE PLEXUS WAY, NEENAH, WI 549563045
Records show
SEC filer; employer with a benefit plan; state registration
Latest record
2026-09-05

State registration

Texas Comptroller active franchise taxpayers file · records as of 2026-09-05

Texas registration
Active · Foreign profit corporation
Source: Texas Comptroller · as of 2026-09-05
Texas document number
0800348784
Source: Texas Comptroller · as of 2026-09-05

SEC records

SEC EDGAR company filings · records as of 2026-09-01

SEC CIK
0000785786
Source: SEC · as of 2026-09-01
Industry (SIC)
Printed Circuit Boards (3672)
Source: SEC · as of 2026-09-01
State of incorporation
WI
Source: SEC · as of 2026-09-01
Ticker
PLXS
Source: SEC · as of 2026-09-01
Latest SEC filing
4 2026-09-01
Source: SEC · as of 2026-09-01

Benefit plans

DOL Form 5500 filings (EFAST2) · records as of 2025-07-30

Benefit plan 501, 2024 filing
HEALTH PLAN FOR EMPLOYEES OF PLEXUS CORP
Source: DOL 5500 · as of 2025-07-30
Participants (start of year)
3,183
Source: DOL 5500 · as of 2025-07-30
Plan features
Health (other than dental or vision); Life insurance; Supplemental unemployment; Dental; Vision; Temporary disability
Source: DOL 5500 · as of 2025-07-30
Plan type
Single-employer plan
Source: DOL 5500 · as of 2025-07-30
Business code (NAICS)
525100
Source: DOL 5500 · as of 2025-07-30
Benefit plan 1, 2024 filing
PLEXUS CORP. 401(K) RETIREMENT PLAN
Source: DOL 5500 · as of 2025-07-15
Participants (start of year)
4,818
Source: DOL 5500 · as of 2025-07-15

What this record is

Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), SEC EDGAR company filings and Texas Comptroller active franchise taxpayers 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 Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services (Corporation Bureau); see the Wisconsin 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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