# HACH CO

HACH CO is a company headquartered in Loveland, CO, United States.

## Company overview

- **Legal name:** HACH CO
- **Classification:** Company
- **Industry (SIC):** 3826 — Laboratory Analytical Instruments
- **Headquarters:** Loveland, CO, United States
- **Incorporated in:** CO
- **Fiscal year end:** April 30
- **SEC CIK:** 0000044764

## About

HACH CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000044764, and its reported industry is Laboratory Analytical Instruments. The retained history contains 12 filings, including 8-K filed on 1999-07-01. 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 1999-07-01 — period 1999-06-29 — 8-K
- Form 8-K — filed 1999-05-04 — period 1999-04-21 — 8-K COVER
- Form 10-Q — filed 1999-03-16 — period 1999-01-30 — FORM 10-Q
- Form 10-Q — filed 1998-12-11 — period 1998-10-31 — FORM 10-Q
- Form 10-Q — filed 1998-09-14 — period 1998-08-01 — FORM 10-Q
- Form DEF 14A — filed 1998-08-07 — period 1998-09-15 — DEF 14A
- Form 10-K — filed 1998-07-29 — period 1998-04-30 — FORM 10-K
- Form 8-K — filed 1998-05-14 — period 1998-04-30 — FORM 8-K
- Form S-4 — filed 1998-03-26 — S-4
- Form 10-Q — filed 1998-03-05 — period 1998-01-31 — FORM 10-Q
- Form 10-Q — filed 1997-12-12 — period 1997-11-01 — FORM 10-Q
- Form 10-Q — filed 1997-09-16 — period 1997-08-02 — FORM 10-Q

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Updated: 2026-10-23T22:19:15Z

Canonical page: https://altss.com/profile/hach-co

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