# COLUMBIA ENERGY GROUP

COLUMBIA ENERGY GROUP is a company headquartered in Henderon, VA, United States.

## Company overview

- **Legal name:** COLUMBIA ENERGY GROUP
- **Former names in filing history:** COLUMBIA GAS SYSTEM INC (1994-02-25 to 1997-08-14)
- **Classification:** Company
- **Industry (SIC):** 4923 — Natural Gas Transmisison & Distribution
- **Headquarters:** Henderon, VA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000022099

## About

COLUMBIA ENERGY GROUP is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000022099, and its reported industry is Natural Gas Transmisison & Distribution. The retained history contains 12 filings, including S-4 filed on 2016-02-23. 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 2016-02-23 — S-4
- Form 10-Q — filed 2005-11-07 — period 2005-09-30 — FORM 10-Q
- Form 10-Q — filed 2005-08-05 — period 2005-06-30 — QUARTERLY REPORT
- Form 10-Q — filed 2005-05-09 — period 2005-03-31 — QUARTERLY REPORT
- Form 10-K — filed 2005-03-09 — period 2004-12-31 — ANNUAL REPORT
- Form 10-Q — filed 2004-11-02 — period 2004-09-30 — QUARTERLY REPORT
- Form 10-Q — filed 2004-08-06 — period 2004-06-30 — QUARTERLY REPORT
- Form 10-Q — filed 2004-05-07 — period 2004-03-31 — QUARTERLY REPORT
- Form 10-K — filed 2004-03-19 — period 2003-12-31 — ANNUAL REPORT
- Form 10-Q — filed 2003-11-12 — period 2003-09-30 — FORM 10-Q
- Form 10-Q — filed 2003-08-11 — period 2003-06-30 — FORM 10-Q
- Form 10-Q — filed 2003-05-12 — period 2003-03-31 — QUARTERLY REPORT

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

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