# ISP CHEMCO INC

ISP CHEMCO INC is a company headquartered in Wilmington, DE, United States.

## Company overview

- **Legal name:** ISP CHEMCO INC
- **Former names in filing history:** ISP OPCO HOLDINGS INC (1998-12-02 to 2001-08-13)
- **Classification:** Company
- **Industry (SIC):** 2860 — Industrial Organic Chemicals
- **Headquarters:** Wilmington, DE, United States
- **SEC CIK:** 0001067851

## About

ISP CHEMCO INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001067851, and its reported industry is Industrial Organic Chemicals. The retained history contains 12 filings, including 8-K filed on 2006-02-03. 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 8-K — filed 2006-02-03 — period 2006-02-01
- Form 8-K — filed 2006-01-20 — period 2006-01-19
- Form 10-Q — filed 2005-11-16 — period 2005-10-02 — 3RD QUARTER 2005 10-Q
- Form 8-K — filed 2005-10-28 — period 2005-10-24 — ITEM 5.02
- Form 8-K — filed 2005-09-21 — period 2005-09-15 — ITEMS 1.01, 5.02, AND 9.01
- Form 8-K — filed 2005-09-19 — period 2005-09-13 — ITEM 5-02
- Form 10-Q — filed 2005-08-17 — period 2005-07-03 — 2ND QUARTER 2005 10-Q
- Form 8-K — filed 2005-06-16 — period 2005-06-14 — ITEM 5-02
- Form 10-Q — filed 2005-05-18 — period 2005-04-03 — 1ST QUARTER 2005 10-Q
- Form 8-K — filed 2005-05-16 — period 2005-05-10
- Form 10-K — filed 2005-03-31 — period 2004-12-31 — 10-K
- Form 8-K — filed 2004-12-10 — period 2004-12-08 — ITEM 5-02

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Updated: 2026-10-23T22:16:53Z

Canonical page: https://altss.com/profile/isp-chemco-inc

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