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KEYSPAN CORP
KEYSPAN CORP is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001062379, and its reported industry is Natural...
Overview
KEYSPAN CORP is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001062379, and its reported industry is Natural Gas Distribution. The retained history contains 12 filings, including 8-K filed on 2007-08-24. 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
- KEYSPAN CORP
- Former names in filing history
- MARKETSPAN CORP (1998-05-28 to 1999-01-06)
- Classification
- Company
- Industry (SIC)
- 4924 — Natural Gas Distribution
- Headquarters
- Hicksville, NY, United States
- Incorporated in
- NY
- Fiscal year end
- December 31
- SEC CIK
- 0001062379
Recent SEC filings
| Form | Filed | Period | Filing |
|---|---|---|---|
| 8-K | FORM 8-K (AUGUST 24, 2007) | ||
| 10-Q | KEYSPAN CORP FORM 10-Q(JUNE 30, 2007) | ||
| 8-K | FORM 8-K (AUGUST 3, 2007) | ||
| 8-K | FORM 8-K (JULY 25, 2007) | ||
| 8-K | FORM 8-K (JULY 11, 2007) | ||
| 8-K | FORM 8-K | ||
| 8-K | FORM 8-K (JUNE 6, 2007) | ||
| 8-K | FORM 8-K (APRIL 27, 2007) | ||
| 10-Q | KEYSPAN CORP FORM 10-Q(3/31/07) | ||
| 8-K | FORM 8-K (MARCH 23, 2007) | ||
| 8-K | FORM 8-K | ||
| 10-K | FORM 10-K (YEAR END 2006) |
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