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CORNERSTONE NATURAL GAS INC
CORNERSTONE NATURAL GAS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000725625, and its reported...
Overview
CORNERSTONE NATURAL GAS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000725625, and its reported industry is Natural Gas Transmission. The retained history contains 12 filings, including 10-Q filed on 1996-05-06. 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.
Company overview
- Legal name
- CORNERSTONE NATURAL GAS INC
- Classification
- Company
- Industry (SIC)
- 4922 — Natural Gas Transmission
- Headquarters
- Dallas, TX, United States
- Incorporated in
- DE
- Fiscal year end
- December 31
- SEC CIK
- 0000725625
Recent SEC filings
| Form | Filed | Period | Filing |
|---|---|---|---|
| 10-Q | 10-Q | ||
| 10-K/A | AMENDMENT NO. 1 TO FORM 10-K | ||
| 10-K | FORM 10-K | ||
| 10-Q | 10-Q | ||
| 10-Q | 10-Q | ||
| 8-K | FORM 8-K (TO COME) | ||
| 10-Q | 10-Q | ||
| DEF 14A | NOTICE & PROXY | ||
| 10-K | FORM 10-K | ||
| 8-K | FORM 8-K | ||
| 10-Q | 10-Q | ||
| 10-Q | FORM 10-Q |
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