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SULPHCO INC
SULPHCO INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001096560, and its reported industry is Oil &...
Overview
SULPHCO INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001096560, and its reported industry is Oil & Gas Field Services, NEC. The retained history contains 12 filings, including 8-K filed on 2011-09-16. 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
- SULPHCO INC
- Former names in filing history
- FILMWORLD INC (1999-10-08 to 2001-02-14)
- Classification
- Company
- Industry (SIC)
- 1389 — Oil & Gas Field Services, NEC
- Headquarters
- Houston,, TX, United States
- Incorporated in
- NV
- Fiscal year end
- December 31
- SEC CIK
- 0001096560
Recent SEC filings
| Form | Filed | Period | Filing |
|---|---|---|---|
| 8-K | Form 8-K | ||
| 10-Q | FORM 10-Q | ||
| 8-K | Form 8-K | ||
| 8-K | Form 8-K | ||
| 8-K | Form 8-K | ||
| 10-Q | Form 10-Q | ||
| 10-K/A | Form 10-K/A | ||
| 8-K | Form 8-K | ||
| 10-K | Form 10-K | ||
| SC 13G | — | SCHEDULE 13G | |
| 8-K | Form 8-K | ||
| 8-K | Form 8-K |
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