Private company

Semitool

Logo: Semitool, Public domain, via Wikimedia Commons4

Defunct semiconductor manufacturing company

Semitool was a semiconductor manufacturing/capital equipment company based in Kalispell, Montana. Raymon Thompson founded the company in California in 1978 and moved it to Montana, where it was officially incorporated in 1979. The company was sold to Applied Materials in December 2009.3 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1979Founded1
  • IndustrySpecial Industry Machinery, NEC1
  • HeadquartersKalispell1
  • Websitewww.semitool.com
  • Incorporated inMT5
  • Business address655 West Reserve Dr, Kalispell, Mt 599015

Semitool was a semiconductor manufacturing/capital equipment company based in Kalispell, Montana. Raymon Thompson founded the company in California in 1978 and moved it to Montana, where it was officially incorporated in 1979. The company was sold to Applied Materials in December 2009.3

Corporate structure

Semitool is part of a group headed by Applied Materials. 66 entities, 19 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Applied Materials Wilmington, Delaware, United States
    • Semitool Kalispell
    • Applied Materials (Singapore) Subsidiary · Singapore
    • Etec Systems, Inc. Subsidiary · Hillsboro
    • APPLIED MATERIALS INDIA PRIVATE LIMITED Subsidiary · 99.99% · Bangalore, India
    • Applied Materials (Holdings) Subsidiary · California, United States
    • Applied Materials Asia-Pacific, LLC Subsidiary · Delaware, United States
    • Applied Materials Belgium N.V. Subsidiary · Belgium
    • Applied Materials Canada, Inc. Subsidiary · Canada
    • Applied Materials China, Limited Subsidiary · Hong Kong
    • Applied Materials Costa Rica Sociedad De Responsibilidad Limitada Subsidiary · Costa Rica
    • Applied Materials Deutschland Holding GmbH Subsidiary · Germany
    • APPLIED MATERIALS EUROPE B.V. Subsidiary · Hoofddorp, Netherlands
    • Applied Materials Finland Holdings Oy Subsidiary · Finland
    • Applied Materials Finland International Oy Subsidiary · Finland
    • Applied Materials France S.a.r.l. Subsidiary · France
    • Applied Materials Global Venture Partner Pte. Ltd. Subsidiary · Singapore
    • Applied Materials GmbH & Co. KG Subsidiary · Germany
    • Applied Materials Holding LLC Subsidiary · Delaware, United States
    • Applied Materials Holdings S.à r.l. Subsidiary · Luxembourg
    • Applied Materials Hong Kong Limited Subsidiary · Hong Kong
    • Applied Materials India Subsidiary · India
    • Applied Materials Ireland Limited Subsidiary · Ireland
    • Applied Materials Israel Ltd. Subsidiary · Israel
    • Applied Materials Italia S.r.l. Subsidiary · Italy
    • Applied Materials Japan, Inc. Subsidiary · Japan
    • and 40 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

The story

Semitool was founded in Santa Ana, California, in 1978. Founder Raymon Thompson moved the company to Kipsell, Montana, in 1979, where it was officially incorporated.

The company designed, developed, manufactured high performance and precision chemical processing equipment. Products included electrochemical deposition systems for electroplating copper, gold, solder and other metals; surface preparation systems for cleaning, stripping and etching silicon wafers; and wafer transport container cleaning systems.

Their main competitors were the Austrian company SEZ, Solid State Equipment Corp. (SSEC), and American FSI International.

From Wikipedia’s article on Semitool, shared under CC BY-SA 4.0.6

Leadership

Who has led Semitool, and when. Pick a name to see everywhere that person has worked.

Chief financial officer

  1. Larry A. Viano2007–2009

Chief operating officer

  1. Lawrence E. Murphy2006–2009
19801990200020102020
Board members and other officers (14)

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. 1979Founded Founded1

SEC filer profile

How Semitool is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARSEMITOOL INC2
  • CIK0000934550
  • Employer ID (EIN)81-03843922
  • Incorporated inMontana2
  • Fiscal year endsSeptember 302
  • Industry code (SIC)3559 Special Industry Machinery, NEC2
  • Business address655 West Reserve Dr, Kalispell, MT 599012
  • Mailing address655 West Reserve Drive, 655 West Reserve Drive, Kalispell, MT 599012
  • Phone40675221072
  • On EDGAR sinceAug 6, 19962
  • Filings382 in all: 4 (123), 8-K (71), 10-Q (40), SC 13G/A (27), SC 13G (16), 10-K (13), 3 (13), DEF 14A (13)2
    All 34 form types

    S-3/A (7), SC TO-T/A (7), ARS (6), 424B5 (4), SC 13D/A (4), SC 14D9/A (4), UPLOAD (4), CORRESP (3), S-3 (3), S-8 (3), S-8 POS (3), 4/A (2), SC 13D (2), SC TO-C (2), 10-K405 (1), 15-12G (1), 25-NSE (1), 3/A (1), 8-K/A (1), DEFA14A (1), EFFECT (1), POS AM (1), PRE 14A (1), SC 14D9 (1), SC 14F1 (1), SC TO-T (1)

  • Latest filingsAnnual report (10-K) Dec 14, 2009
    Quarterly report (10-Q) Aug 7, 2009
    Proxy statement (DEF 14A) Jan 22, 2009
    Latest 8-K (8-K) Dec 21, 2009