# THERMATRIX INC

THERMATRIX INC is a company headquartered in Knoxville, TN, United States.

## Company overview

- **Legal name:** THERMATRIX INC
- **Classification:** Company
- **Industry (SIC):** 3569 — General Industrial Machinery & Equipment, NEC
- **Headquarters:** Knoxville, TN, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000929473

## About

THERMATRIX INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000929473, and its reported industry is General Industrial Machinery & Equipment, NEC. The retained history contains 12 filings, including SC 13G filed on 2001-02-15. 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 SC 13G — filed 2001-02-15
- Form 10-Q — filed 2000-11-14 — period 2000-09-30 — FORM 10-Q
- Form DEF 14A — filed 2000-10-19 — period 2000-12-01 — NOTICE & PROXY FOR 2000 ANNUAL MEETING
- Form 10-Q — filed 2000-09-19 — period 2000-06-30 — FORM 10-Q
- Form 10-Q — filed 2000-08-18 — period 2000-03-31 — FORM 10-Q
- Form 8-K — filed 2000-07-12 — period 2000-02-07 — FORM 8-K
- Form 8-K — filed 2000-05-05 — period 2000-03-31 — THERMATRIX, INC.
- Form 8-K — filed 2000-02-22 — period 1999-12-20 — FORM 8-K
- Form SC 13G — filed 2000-01-28
- Form 8-K — filed 2000-01-13 — period 1999-12-27 — FORM 8-K
- Form 8-K — filed 1999-12-20 — period 1999-12-16 — FORM 8-K
- Form 10-Q — filed 1999-11-15 — period 1999-09-30 — FORM 10-Q

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Updated: 2026-10-23T22:36:19Z

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