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SEC filer

KEITHLEY INSTRUMENTS INC

KEITHLEY INSTRUMENTS INC's Employer Identification Number (EIN) is 34-0794417.

At a glance

EIN
34-0794417 · 340794417
Legal name
KEITHLEY INSTRUMENTS INC
Address on file
28775 AURORA RD, SOLON, OH 44139
Records show
SEC filer; state registration
Latest record
2026-09-05

State registration

Florida Division of Corporations (Sunbiz) bulk data · Texas Comptroller active franchise taxpayers file · records as of 2026-09-05

Texas registration
Active · Foreign limited liability company
Source: Texas Comptroller · as of 2026-09-05
Texas document number
0006034706
Source: Texas Comptroller · as of 2026-09-05
Florida registration
Inactive · Foreign profit corporation
Source: Florida registry · as of 2026-07-10
Florida document number
F02000005948
Source: Florida registry · as of 2026-07-10
Registered in Florida
2002-11-27
Source: Florida registry · as of 2026-07-10
Last registry activity
2017-03-29
Source: Florida registry · as of 2026-07-10
Florida registration
Active · Foreign limited liability company
Source: Florida registry · as of 2026-07-10
Florida document number
M17000002708
Source: Florida registry · as of 2026-07-10
Registered in Florida
2017-03-29
Source: Florida registry · as of 2026-07-10
Registered agent
C T CORPORATION SYSTEM
Source: Florida registry · as of 2026-07-10

SEC records

SEC EDGAR company filings · records as of 2010-12-21

SEC CIK
0000054991
Source: SEC · as of 2010-12-21
Industry (SIC)
Instruments For Meas & Testing of Electricity & Elec Signals (3825)
Source: SEC · as of 2010-12-21
State of incorporation
OH
Source: SEC · as of 2010-12-21
Latest SEC filing
15-12B 2010-12-21
Source: SEC · as of 2010-12-21

What this record is

Public filings that carry this EIN (Florida Division of Corporations (Sunbiz) bulk data, 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 Ohio Secretary of State, Business Services Division; see the Ohio 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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