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Private company

Open Systems International

International technology company

Automatic Systems International, Inc. (ASI), or Open Systems International (OSI) is an automation software company headquartered in Medina, Minnesota, with international offices in Canada, Colombia, Spain, India, Dubai, Australia, Singapore, and China.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1992Founded1

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Automatic Systems International, Inc. (ASI), or Open Systems International (OSI) is an automation software company headquartered in Medina, Minnesota, with international offices in Canada, Colombia, Spain, India, Dubai, Australia, Singapore, and China.2

Corporate structure

Open Systems International is part of a group headed by Emerson Electric. 589 entities, 67 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Emerson Electric Saint Louis, Missouri, United States
    • Aspen Technology, Inc. Bedford, Massachusetts, United States
      • 1 AGI Mexicana S.A. De C.V. Subsidiary · Mexico
      • 10 Aspen Technology LLC Subsidiary · Russia
      • 11 Aspen Technology Middle East Ltd. Subsidiary · Saudi Arabia
      • 12 Aspen Technology S.A.S. Subsidiary · Colombia
      • 13 Aspen Technology Quebec Inc. Subsidiary · Canada
      • 14 Aspen Technology Regional Headquarters Company Subsidiary · Saudi Arabia
      • 15 Aspen Technology S.L. Subsidiary · Spain
      • 16 Aspen Technology Services Corporation Subsidiary · Delaware, United States
      • 19 AspenTech (Thailand) Ltd. Subsidiary · Thailand
      • 2 Apex Optimisation SRO Subsidiary · Czechia
      • 20 AspenTech Africa (Pty.) Ltd. Subsidiary · South Africa
      • 21 AspenTech Argentina S.R.L. Subsidiary · Argentina
      • 22 AspenTech Australia Holding Pty Ltd Subsidiary · Australia
      • 23 AspenTech Canada Corporation Subsidiary · Canada
      • 24 AspenTech Canada Holdings, LLC Subsidiary · Delaware, United States
      • 25 AspenTech Corporation Subsidiary · Delaware, United States
      • 26 AspenTech de Mexico S. de R.L. de C.V. Subsidiary · Mexico
      • 27 AspenTech Europe B.V. Subsidiary · Netherlands
      • 28 AspenTech Europe, S.A./N.V. Subsidiary · Belgium
      • 29 AspenTech GmbH Subsidiary · Germany
      • 3 Apex Optimisation Technologies B.V. Subsidiary · Netherlands
      • 30 AspenTech Holding Corporation Subsidiary · Delaware, United States
      • 31 AspenTech India Private Ltd. Subsidiary · India
      • 32 AspenTech Japan Co. Ltd. Subsidiary · Japan
      • 33 AspenTech Ltd. Subsidiary · United Kingdom
      • and 49 more
    • Open Systems International Minneapolis
    • Birmingham Sound Reproducers Subsidiary
    • Chloride Group Subsidiary · London, United Kingdom
    • Emerson (China) Subsidiary · Shanghai, People's Republic of China
    • Emerson (Sweden) Subsidiary · Karlstad, Sweden
    • Greenlee Subsidiary · Rockford
    • InSinkErator Subsidiary
    • "EMERSON PROCESS MANAGEMENT" SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA Subsidiary · Warszawa, Poland
    • AE VALVES Subsidiary · Saint Louis, Missouri, United States
    • Aegir Norge Holding AS Subsidiary · Norway
    • Afag Automation AG Subsidiary · Switzerland
    • Afag Automation Technology (Shanghai) Co., Ltd. Subsidiary · China
    • Afag Engineering GmbH Subsidiary · Germany
    • Afag GmbH Subsidiary · Germany
    • Afag Holding AG Subsidiary · Switzerland
    • AGI Mexicana S.A. de C.V. Subsidiary · Mexico
    • ai mo sheng dian qi (ya zhou) you xian gong si (艾默生電氣(亞洲)有限公司) Subsidiary · Kowloon, Hong Kong
    • ALCO Controls Subsidiary · Czechia
    • Alexander Schaeff, Inc. Subsidiary · Delaware, United States
    • Apex Optimisation SRO Subsidiary · Czechia
    • Apple JV Holding Corp. Subsidiary · Delaware, United States
    • APPLETON ELECTRIC LLC Subsidiary · Rosemont, Illinois, United States
    • APPLETON GROUP CANADA, LTD. Subsidiary · Toronto, Ontario, Canada
    • Appleton Grp LLC Subsidiary · Delaware, United States
    • and 485 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.

Timeline

  1. 1992Founded Founded1

Sources

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

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  2. 2