Is WILLIAM K. DUFF & CO. still active?

Yes. WILLIAM K. DUFF & CO. is currently Active in Connecticut as of the most recent filing data.

When was WILLIAM K. DUFF & CO. formed?

WILLIAM K. DUFF & CO. was formed on September 6, 1961 in Connecticut. It is registered as a Other under filing number 001t000000WmTftAAF.

Who are the officers of WILLIAM K. DUFF & CO.?

Officer information for WILLIAM K. DUFF & CO. is not available in the public registry data.

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America’s National Corporate Registry·Connecticut·Filing #001t000000WmTftAAF

WILLIAM K. DUFF & CO.

ActiveOtherConnecticutFormed September 6, 1961

Source: Connecticut Department of State, Division of Corporations·Refreshed May 19, 2026

Registration

State filing number: 001t000000WmTftAAF
Jurisdiction: Connecticut
Entity type: Other
Status: Active
Formation date: September 6, 1961

Registry Intelligence

Formation cohortFormed September 1961 · 416,054 Others registered in CT
Peer activity rate22% of CT Others are currently active
LongevityActive for 64 years · older than the median CT Other

Computed from 40,000,000+ entity records · Updated nightly

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