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Private company

Stemco

Logo: Stemco, Public domain, via Wikimedia Commons3

Industrial manufacturing company based in Longview, founded in 19511

Stemco (from "Specialized Truck Equipment Manufacturing Company") is a Longview, Texas, based company that manufactures and distributes products for the global commercial vehicle market. Its major product categories include wheel end products, brake products, intelligent transportation systems and suspension components.2 It is part of Enpro Industries.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1951Founded1

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Stemco (from "Specialized Truck Equipment Manufacturing Company") is a Longview, Texas, based company that manufactures and distributes products for the global commercial vehicle market. Its major product categories include wheel end products, brake products, intelligent transportation systems and suspension components.2

Corporate structure

Stemco is part of a group headed by Enpro Industries. 63 entities, 12 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Enpro Industries Charlotte, North Carolina, United States
    • Stemco Longview
    • AceCo Precision Manufacturing LLC Subsidiary · Delaware, United States
    • Advanced Micro Instruments, Inc. Subsidiary · Delaware, United States
    • Alluxa, Inc. Subsidiary · California, United States
    • AlpHa Measurement Holdings, LLC Subsidiary · Delaware, United States
    • AlpHa Measurement Solutions, LLC Subsidiary · Texas, United States
    • AMI Holdco, Inc. Subsidiary · Delaware, United States
    • Applied Surface Technology, Inc. Subsidiary · California, United States
    • Aseptic Group Subsidiary · France
    • Aurora Scientific Instruments (Shanghai) Co., Ltd. Subsidiary · China
    • Coltec Finance Company Limited Subsidiary · United Kingdom
    • Coltec Industries France SAS Subsidiary · France
    • Coltec Industries Pacific Pte Ltd Subsidiary · Singapore
    • Coltec International Services Co. Subsidiary · Delaware, United States
    • EnPro Associates, LLC Subsidiary · North Carolina, United States
    • EnPro France E.U.R.L. Subsidiary · France
    • EnPro German Holding GmbH Subsidiary · Germany
    • EnPro Holdings, Inc. Subsidiary · Charlotte, North Carolina, United States
      • COLTEC FINANCE COMPANY LIMITED Subsidiary · Birmingham, United Kingdom
    • EnPro Hong Kong Holdings Company Limited Subsidiary · Hong Kong
    • Enpro Inc. Subsidiary · North Carolina, United States
    • EnPro Industries Int'l Trading (Shanghai) Co., Ltd. Subsidiary · China
    • Enpro US Holdco, Inc. Subsidiary · North Carolina, United States
    • Garlock (Great Britain) Limited Subsidiary · United Kingdom
    • Garlock de Mexico, S.A. de C.V. Subsidiary · Mexico
    • Garlock GmbH Subsidiary · Germany
    • and 36 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.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. 1951Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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