# ILLINOVA Corp

ILLINOVA Corp is a company headquartered in Houston, TX, United States.

## Company overview

- **Legal name:** ILLINOVA Corp
- **Former names in filing history:** IP HOLDING CO (1994-01-14 to 1994-04-21)
- **Classification:** Company
- **Industry (SIC):** 4911 — Electric Services
- **Headquarters:** Houston, TX, United States
- **Incorporated in:** IL
- **Fiscal year end:** December 31
- **SEC CIK:** 0000914755

## About

ILLINOVA Corp is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000914755, and its reported industry is Electric Services. The retained history contains 12 filings, including S-4 filed on 2018-07-23. 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 S-4 — filed 2018-07-23 — S-4
- Form S-4 — filed 2015-06-02 — S-4
- Form S-4 — filed 2013-12-09 — REGISTRATION OF SECURITIES ISSUED IN BUSINESS COMBINATION TRANSACTIONS
- Form 8-K — filed 2000-03-01 — period 2000-02-29 — EARNINGS RELEASE
- Form 10-K/A — filed 2000-02-29 — period 1998-12-31 — 1998 AMENDED 10-K
- Form SC 13G — filed 2000-02-11 — SCHEDULE 13G - 02-14-00 - ILLINOVA CORPORATION
- Form 8-K — filed 2000-02-08 — period 2000-02-08 — CHANGES IN CERTIFYING ACCOUNTANTS
- Form 8-K — filed 1999-12-17 — period 1999-12-16 — 8-K
- Form 10-Q — filed 1999-11-15 — period 1999-09-30 — 10-Q FOR THIRD QUARTER OF 1999
- Form 8-K — filed 1999-10-15 — period 1999-10-15 — EARNINGS RELEASE
- Form 10-Q — filed 1999-08-16 — period 1999-06-30 — 10-Q FOR SECOND QUARTER OF 1999
- Form 8-K — filed 1999-07-16 — period 1999-07-16 — 8-K FILING TO SEC ON 07/16/1999

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Updated: 2026-10-23T22:43:49Z

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