# UNITED ILLUMINATING CO

UNITED ILLUMINATING CO is a company headquartered in New Haven, CT, United States.

## Company overview

- **Legal name:** UNITED ILLUMINATING CO
- **Classification:** Company
- **Industry (SIC):** 4911 — Electric Services
- **Headquarters:** New Haven, CT, United States
- **Incorporated in:** CT
- **Fiscal year end:** December 31
- **SEC CIK:** 0000101265

## About

UNITED ILLUMINATING CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000101265, and its reported industry is Electric Services. The retained history contains 12 filings, including 10-Q filed on 2000-11-14. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 10-Q — filed 2000-11-14 — period 2000-09-30 — UNITED ILLUMINATING 10-Q 3RD QTR ENDED 9/30/00
- Form 10-Q — filed 2000-08-14 — period 2000-06-30 — UNITED ILLUMINATING 10-Q 2ND QTR ENDED 6/30/00
- Form 8-K — filed 2000-07-21 — period 2000-07-20 — CHANGE IN CONTROL OF REGISTRANT
- Form 10-Q — filed 2000-05-12 — period 2000-03-31 — FILING OF 10-Q FOR FIRST QTR ENDED 3/31/2000
- Form DEF 14A — filed 2000-05-10 — period 2000-06-26 — PROXY STATEMENT & FORM OF PROXY
- Form 8-K — filed 2000-03-22 — period 2000-03-17 — SPECIAL MTG OF SHAREOWNERS 3/17/00
- Form 10-K — filed 2000-03-10 — period 1999-12-31 — ANNUAL REPORT FORM 10-K
- Form DEF 14A — filed 2000-02-24 — period 2000-03-17 — SCHEDULE 14A
- Form 10-K/A — filed 1999-11-30 — period 1998-12-31 — AMENDMENT OF 10-K FOR YR 12/31/98
- Form 10-Q — filed 1999-11-15 — period 1999-09-30 — FILING OF 3RD QUARTER 1999 10-Q
- Form 10-K/A — filed 1999-11-03 — period 1998-12-31 — AMENDMENT OF 10-K FOR YR 12/31/98
- Form 10-Q — filed 1999-08-16 — period 1999-06-30 — QUARTERLY REPORT FORM 10-Q

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Updated: 2026-10-23T22:36:19Z

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