# UNION OIL CO OF CALIFORNIA

UNION OIL CO OF CALIFORNIA is a company headquartered in El Segundo, CA, United States.

## Company overview

- **Legal name:** UNION OIL CO OF CALIFORNIA
- **Classification:** Company
- **Industry (SIC):** 1311 — Crude Petroleum & Natural Gas
- **Headquarters:** El Segundo, CA, United States
- **Incorporated in:** CA
- **Fiscal year end:** December 31
- **SEC CIK:** 0000100880

## About

UNION OIL CO OF CALIFORNIA is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000100880, and its reported industry is Crude Petroleum & Natural Gas. The retained history contains 12 filings, including SC 13D filed on 1999-07-12. 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 SC 13D — filed 1999-07-12 — UNION OIL COMPANY OF CALIFORNIA SCHEDULE 13D
- Form 8-K — filed 1994-12-05 — period 1994-12-05
- Form 10-Q — filed 1994-11-14 — period 1994-09-30
- Form 8-K — filed 1994-09-30 — period 1994-09-30
- Form 8-K — filed 1994-09-01 — period 1994-08-25
- Form 10-Q — filed 1994-08-12 — period 1994-06-30 — UNION OIL COMPANY 1994 SECOND QUARTER 10-Q
- Form 8-K — filed 1994-06-28 — period 1994-06-28 — ITEM 5 - NEWS RELEASE
- Form 10-K/A — filed 1994-06-28 — period 1993-12-31 — AMENDMENT N0.1 TO THE 1993 FORM 10-K
- Form 8-K — filed 1994-06-27 — period 1994-06-27 — ITEM 5 - NEWS RELEASE
- Form 10-Q — filed 1994-05-11 — period 1994-03-31 — UNION OIL COMPANY FIRST QUARTER 1994 10-Q
- Form 10-K — filed 1994-03-31 — period 1993-12-31 — FORM 10-K FOR 12-31-93
- Form 8-K — filed 1994-03-02 — period 1994-03-02 — NOTIFICATION OF CHANGE IN BYLAWS

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Updated: 2026-10-23T22:09:23Z

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